Day 2
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Game 1: 3 blue, 2 green, 6 red; 17 green, 4 red, 8 blue; 2 red, 1 green, 10 blue; 1 blue, 5 green
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Game 2: 9 red, 2 green; 5 red, 1 blue, 6 green; 3 green, 13 red, 1 blue; 3 red, 6 green; 1 blue, 14 red, 6 green
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Game 3: 6 red, 3 blue, 8 green; 6 blue, 12 green, 15 red; 3 blue, 18 green, 4 red
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Game 4: 1 blue, 4 red; 2 blue, 6 red; 13 blue; 11 blue, 1 green, 8 red; 10 blue, 3 green, 2 red; 3 green, 7 blue
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Game 5: 2 red, 1 blue, 8 green; 2 blue, 7 green, 3 red; 1 blue, 7 green, 4 red; 2 blue, 1 green, 1 red; 13 green, 1 blue
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Game 6: 7 green, 1 red, 3 blue; 1 red, 4 blue; 6 green, 6 blue; 8 green, 1 red; 6 green, 1 red, 5 blue
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Game 7: 10 blue, 1 green; 5 red, 8 blue, 3 green; 11 blue, 5 red, 8 green; 2 blue, 8 red, 5 green; 7 blue, 9 green; 6 blue, 2 green, 7 red
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Game 8: 15 green, 8 blue, 3 red; 6 blue, 7 green, 5 red; 2 green, 1 red, 5 blue; 9 blue, 9 green, 5 red
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Game 9: 16 red; 5 blue, 6 red, 9 green; 7 blue, 6 green, 2 red; 15 red, 5 blue, 3 green; 1 red, 6 green, 6 blue; 3 blue, 7 red, 5 green
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Game 10: 17 green, 5 blue, 6 red; 18 green, 9 red; 4 red, 4 blue, 4 green; 10 red, 6 green, 5 blue; 8 red, 4 blue, 12 green
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Game 11: 4 blue, 2 green, 5 red; 1 blue, 1 red; 9 blue, 1 green, 2 red; 4 red, 10 blue; 3 green, 4 blue, 3 red
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Game 12: 4 green, 2 blue, 7 red; 4 blue, 2 green, 1 red; 7 green, 5 blue, 9 red
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Game 13: 1 green, 3 red, 3 blue; 1 blue, 10 green; 2 green, 3 blue
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Game 14: 7 red, 3 green, 12 blue; 5 red, 4 green, 6 blue; 13 blue, 1 red; 4 blue, 6 red, 2 green; 4 red, 3 blue; 9 red, 13 blue
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Game 15: 4 blue, 5 red, 2 green; 7 red, 2 blue, 1 green; 17 red, 3 blue; 2 blue; 4 blue, 8 red
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Game 16: 5 blue; 9 red, 14 green, 5 blue; 5 blue, 9 green
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Game 17: 3 blue, 5 red; 6 blue, 1 green, 4 red; 7 green, 6 blue, 7 red; 1 red, 6 blue, 4 green; 6 green; 1 blue, 6 green
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Game 18: 9 blue, 4 green, 2 red; 1 green, 9 red, 10 blue; 14 red, 10 green, 17 blue; 12 red, 1 green, 15 blue; 3 blue, 8 red, 2 green; 3 green, 11 red, 13 blue
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Game 19: 1 blue, 3 red, 9 green; 14 green, 3 red, 2 blue; 1 blue, 8 red, 11 green; 4 blue, 3 red; 14 red, 4 green; 5 red, 8 green
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Game 20: 2 blue, 3 red, 2 green; 3 blue, 2 green; 1 red, 4 green, 5 blue; 9 blue, 9 green, 3 red; 3 green, 1 blue, 4 red; 1 red, 9 green, 2 blue
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Game 21: 11 blue, 6 red; 8 red; 7 red, 6 green, 11 blue; 7 green, 7 red, 11 blue; 6 red, 12 blue
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Game 22: 7 green, 8 blue, 5 red; 12 green, 4 red, 2 blue; 12 green, 7 red, 11 blue
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Game 23: 5 green, 2 blue, 7 red; 6 blue, 8 green, 3 red; 10 red, 5 blue; 6 green, 3 blue; 1 green, 8 red
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Game 24: 17 blue, 1 green, 2 red; 2 red, 11 green, 9 blue; 6 red, 8 blue
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Game 25: 3 red, 1 blue, 19 green; 1 blue, 1 green, 6 red; 6 green, 5 blue; 4 green, 2 red, 19 blue; 6 red, 19 blue, 18 green; 1 red, 4 blue, 1 green
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Game 26: 3 red, 4 blue, 2 green; 2 red, 1 green, 3 blue; 14 blue, 1 green, 3 red; 5 green, 2 red, 10 blue; 9 blue, 2 red, 7 green; 15 blue, 4 green, 3 red
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Game 27: 3 blue, 5 red, 2 green; 6 red, 7 blue, 9 green; 14 green, 11 red, 6 blue; 3 blue, 20 green, 3 red; 6 red, 15 green, 7 blue; 13 red, 1 blue, 14 green
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Game 28: 4 blue, 7 green, 4 red; 2 red, 4 blue, 7 green; 6 blue, 11 green, 4 red; 6 blue, 6 green, 3 red; 6 green, 12 red
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Game 29: 3 red, 9 blue; 5 red, 5 blue; 2 green, 3 red, 3 blue
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Game 30: 1 green, 1 red, 3 blue; 1 blue, 1 red, 3 green; 1 blue; 1 blue, 3 green, 1 red; 2 blue, 2 green
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Game 31: 2 blue, 1 red; 1 blue, 1 green, 1 red; 4 blue, 3 green; 1 red, 3 green, 2 blue; 2 green
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Game 32: 1 blue, 6 green; 9 red, 6 green; 1 blue, 15 red, 3 green
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Game 33: 18 green, 1 blue, 10 red; 10 red, 1 blue, 7 green; 11 green; 6 red, 13 green
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Game 34: 10 red, 14 blue, 6 green; 2 green, 13 blue, 1 red; 8 green, 7 blue, 1 red; 9 blue, 7 green, 4 red
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Game 35: 5 blue, 9 green, 2 red; 7 green, 9 blue, 5 red; 1 green, 5 red
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Game 36: 10 red; 5 red, 1 green, 1 blue; 2 green, 8 red; 9 red, 2 green; 1 blue, 10 red; 6 red, 1 green, 1 blue
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Game 37: 13 red, 1 blue, 7 green; 1 green, 9 red, 3 blue; 4 red, 1 blue, 11 green; 1 red; 1 red, 1 blue; 6 red, 3 blue, 2 green
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Game 38: 3 blue, 12 red, 7 green; 1 green; 12 red, 1 blue
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Game 39: 7 green, 12 blue, 2 red; 3 red, 10 blue, 7 green; 2 red, 8 green, 3 blue; 3 red, 12 blue, 5 green
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Game 40: 7 green, 5 red; 1 green, 2 blue; 2 red, 1 green, 7 blue
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Game 41: 1 red, 7 green, 2 blue; 2 green, 2 blue; 4 blue, 7 green, 1 red; 1 blue, 1 red, 7 green; 6 blue, 2 red, 3 green
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Game 42: 6 blue; 4 green, 18 blue, 1 red; 10 green, 14 blue, 2 red; 6 blue, 4 green; 2 red, 13 blue, 6 green; 6 green, 1 red, 5 blue
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Game 43: 5 blue, 12 red; 5 blue, 2 green, 7 red; 9 red, 4 blue; 1 green, 11 red, 2 blue; 5 red, 1 green; 2 blue, 3 red, 1 green
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Game 44: 4 blue, 9 red, 4 green; 4 blue, 10 red; 4 green, 5 red; 1 green, 2 red, 3 blue
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Game 45: 7 green, 2 blue, 18 red; 19 red, 7 green; 8 green, 1 blue, 19 red; 2 green, 12 red; 6 red, 5 green; 7 green, 10 red
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Game 46: 1 blue, 15 red, 11 green; 7 red, 1 green, 5 blue; 13 red, 2 blue, 2 green; 7 green, 5 blue, 10 red; 12 green, 3 red, 1 blue
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Game 47: 2 blue, 2 red, 5 green; 7 green, 2 red, 7 blue; 10 blue, 2 red, 8 green
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Game 48: 8 green, 10 red; 6 green, 5 red; 12 green, 2 blue; 17 green, 5 red, 1 blue; 14 green, 3 blue, 16 red; 1 blue, 5 red
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Game 49: 5 blue, 6 red, 12 green; 8 blue, 15 green; 4 blue, 3 green, 3 red; 6 red, 11 green, 10 blue; 9 green, 2 red, 10 blue
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Game 50: 10 red, 11 green, 14 blue; 6 green, 8 blue, 17 red; 2 blue, 4 red; 6 blue, 8 green, 17 red; 17 red, 9 blue, 2 green; 13 blue, 16 red, 12 green
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Game 51: 12 red, 2 green, 7 blue; 5 blue, 10 red; 1 blue, 7 red, 1 green; 14 blue, 2 red, 1 green
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Game 52: 5 blue, 5 red, 8 green; 1 blue, 9 green, 7 red; 4 blue, 5 red, 3 green; 7 green, 2 blue, 2 red; 5 red, 3 blue, 17 green; 19 green, 1 red
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Game 53: 4 red, 1 blue, 2 green; 1 green; 2 red; 1 blue, 2 green; 2 green, 4 red
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Game 54: 7 red; 9 red, 2 blue, 14 green; 1 blue, 5 green; 7 green, 3 blue
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Game 55: 11 blue, 2 green; 11 blue, 9 green, 12 red; 8 green, 6 blue, 12 red
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Game 56: 2 green, 1 red, 2 blue; 4 red, 5 green, 5 blue; 5 red, 5 blue, 10 green; 8 red, 3 green, 3 blue
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Game 57: 7 red, 3 green; 1 blue, 6 red, 1 green; 1 blue; 7 red, 1 green, 1 blue; 2 red, 1 blue, 1 green; 3 green, 1 blue
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Game 58: 9 blue, 2 red; 2 green, 9 blue, 2 red; 5 blue, 4 green
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Game 59: 8 red; 5 green, 1 blue, 3 red; 1 green, 8 red
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Game 60: 9 green, 8 blue, 3 red; 10 green, 4 red; 8 blue, 2 green, 4 red; 1 red, 5 green, 7 blue; 1 green, 4 blue, 1 red; 4 blue
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Game 61: 5 blue, 9 red, 4 green; 5 green, 7 blue, 6 red; 7 green, 8 red; 7 blue, 4 red, 2 green; 8 red, 4 blue, 5 green; 3 green, 9 red, 7 blue
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Game 62: 9 red, 10 blue; 1 green, 7 red, 13 blue; 1 green, 11 blue; 6 red, 16 blue, 5 green; 20 red, 1 green, 3 blue
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Game 63: 9 red, 8 green, 1 blue; 13 green, 12 red, 1 blue; 7 green, 5 red, 3 blue
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Game 64: 3 red, 2 blue, 10 green; 3 green; 1 blue, 8 green, 2 red; 7 red, 1 blue, 4 green; 9 red, 1 blue, 4 green
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Game 65: 7 red, 6 green; 1 blue, 4 green, 7 red; 6 red; 6 red, 4 green, 1 blue
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Game 66: 4 blue, 4 green; 1 red, 7 green, 1 blue; 7 green, 3 red, 3 blue; 1 blue, 1 red, 6 green; 3 red, 7 green
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Game 67: 5 green, 16 blue, 5 red; 4 red, 7 green, 3 blue; 4 red, 4 green, 9 blue; 12 green, 5 red; 15 green, 3 red; 10 blue, 6 red, 1 green
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Game 68: 3 green, 3 blue, 5 red; 2 green, 6 blue; 2 green, 3 blue, 1 red; 1 blue, 11 red
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Game 69: 5 green, 1 blue; 16 green, 9 red; 10 red, 18 green
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Game 70: 1 blue, 1 green; 1 red; 1 red, 2 blue, 1 green; 1 green, 2 red; 2 blue, 2 red; 1 red
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Game 71: 11 red; 2 green, 3 blue, 13 red; 1 green, 3 blue; 15 red, 1 green, 3 blue; 4 red
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Game 72: 2 blue, 6 red, 18 green; 6 red, 8 green, 7 blue; 5 blue, 3 red, 12 green; 3 red, 2 blue, 4 green
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Game 73: 12 blue, 7 green, 4 red; 5 green, 2 red, 4 blue; 3 green, 3 red, 10 blue; 1 green, 12 blue, 6 red; 3 blue, 6 green, 14 red
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Game 74: 3 red; 1 blue, 8 green, 11 red; 3 green, 2 red
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Game 75: 5 green, 2 red, 1 blue; 8 green, 2 red; 11 green, 2 red; 2 red, 17 green; 3 blue, 3 green, 2 red
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Game 76: 1 blue, 5 green, 4 red; 8 green, 11 blue, 5 red; 8 blue, 2 red, 11 green
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Game 77: 1 red, 11 blue, 7 green; 8 green, 4 blue; 1 blue, 8 green
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Game 78: 1 green, 1 red, 1 blue; 3 green, 1 blue, 3 red; 10 green, 1 blue; 12 green
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Game 79: 1 red, 11 blue, 6 green; 3 green, 3 red, 5 blue; 16 blue, 1 red, 5 green; 11 blue, 3 green, 2 red; 8 blue, 6 green, 4 red
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Game 80: 5 green; 6 green, 7 red, 4 blue; 7 green, 5 blue; 6 blue, 6 green; 7 blue, 7 green; 6 green, 7 blue, 5 red
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Game 81: 1 green, 14 blue; 11 blue, 1 red; 1 red, 16 green, 2 blue; 9 green, 1 red, 13 blue; 10 green, 8 blue
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Game 82: 7 green, 7 red, 3 blue; 4 blue, 1 green, 4 red; 2 green, 14 blue, 3 red
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Game 83: 15 blue; 2 blue, 1 green, 4 red; 8 green, 4 red, 6 blue
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Game 84: 12 blue, 17 green; 6 green, 1 red, 16 blue; 1 blue, 1 red; 5 blue, 11 green
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Game 85: 5 blue, 15 green, 3 red; 4 blue, 1 green, 11 red; 8 red, 2 blue, 4 green
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Game 86: 11 blue, 16 green, 16 red; 11 blue, 17 red, 10 green; 8 green, 7 red
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Game 87: 2 red, 4 green, 2 blue; 2 blue, 6 green; 2 red, 3 blue, 3 green; 1 red, 4 green; 1 green, 2 blue, 2 red; 4 blue, 4 green
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Game 88: 10 red, 7 green; 2 blue, 6 red, 1 green; 8 blue, 8 red, 7 green; 2 green, 5 blue, 2 red; 3 blue, 3 red, 6 green
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Game 89: 9 blue, 16 green; 2 red, 5 blue, 6 green; 12 blue, 15 green; 8 green, 2 red, 3 blue
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Game 90: 18 red, 1 blue; 3 red, 5 blue, 4 green; 1 blue, 2 green, 6 red; 2 green, 16 red, 3 blue; 5 blue, 13 red, 5 green
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Game 91: 4 red, 7 green, 1 blue; 3 green, 16 blue, 2 red; 4 green, 8 blue
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Game 92: 4 red, 3 green; 5 red, 11 green, 1 blue; 16 green, 13 red; 15 green, 14 red, 3 blue; 3 red, 5 green, 2 blue
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Game 93: 2 blue, 1 red, 3 green; 10 blue, 1 red, 10 green; 11 blue, 16 green, 4 red; 2 green, 20 blue, 7 red; 11 green, 8 red, 15 blue; 9 green, 10 blue, 1 red
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Game 94: 2 blue, 12 red, 10 green; 16 red, 9 blue, 6 green; 5 green, 9 blue, 11 red; 4 red, 2 blue
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Game 95: 2 green, 9 red, 1 blue; 2 blue, 1 red; 2 green, 5 blue, 3 red
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Game 96: 1 green, 5 red, 13 blue; 1 green, 2 red, 13 blue; 2 green, 2 red, 17 blue; 3 red, 1 green; 6 red, 2 green; 1 green, 7 blue, 4 red
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Game 97: 1 green, 1 red, 1 blue; 2 blue, 11 green; 1 blue, 13 green; 9 blue, 6 green, 1 red; 10 green, 8 blue
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Game 98: 12 green, 9 red; 12 green, 10 blue, 3 red; 3 red, 13 green, 7 blue
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Game 99: 8 green, 10 blue, 1 red; 10 green, 2 red, 6 blue; 3 green, 1 blue, 1 red; 10 blue, 1 red
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Game 100: 8 blue, 6 green, 8 red; 7 red, 2 blue; 2 red, 10 green, 10 blue; 9 green, 7 red; 3 red, 7 green, 1 blue
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								2/1/puzzle.txt
									
									
									
									
									
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--- Day 2: Cube Conundrum ---
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You're launched high into the atmosphere! The apex of your trajectory just
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barely reaches the surface of a large island floating in the sky. You gently
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land in a fluffy pile of leaves. It's quite cold, but you don't see much snow.
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An Elf runs over to greet you.
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The Elf explains that you've arrived at Snow Island and apologizes for the lack
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of snow. He'll be happy to explain the situation, but it's a bit of a walk, so
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you have some time. They don't get many visitors up here; would you like to play
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a game in the meantime?
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As you walk, the Elf shows you a small bag and some cubes which are either red,
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green, or blue. Each time you play this game, he will hide a secret number of
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cubes of each color in the bag, and your goal is to figure out information about
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the number of cubes.
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To get information, once a bag has been loaded with cubes, the Elf will reach
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into the bag, grab a handful of random cubes, show them to you, and then put
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them back in the bag. He'll do this a few times per game.
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You play several games and record the information from each game (your puzzle
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input). Each game is listed with its ID number (like the 11 in Game 11: ...)
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followed by a semicolon-separated list of subsets of cubes that were revealed
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from the bag (like 3 red, 5 green, 4 blue).
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For example, the record of a few games might look like this:
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Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
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Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
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Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
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Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
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Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green
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In game 1, three sets of cubes are revealed from the bag (and then put back
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again). The first set is 3 blue cubes and 4 red cubes; the second set is 1 red
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cube, 2 green cubes, and 6 blue cubes; the third set is only 2 green cubes.
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The Elf would first like to know which games would have been possible if the bag
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contained only 12 red cubes, 13 green cubes, and 14 blue cubes?
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In the example above, games 1, 2, and 5 would have been possible if the bag had
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been loaded with that configuration. However, game 3 would have been impossible
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because at one point the Elf showed you 20 red cubes at once; similarly, game 4
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would also have been impossible because the Elf showed you 15 blue cubes at
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once. If you add up the IDs of the games that would have been possible, you get
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8.
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Determine which games would have been possible if the bag had been loaded with
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only 12 red cubes, 13 green cubes, and 14 blue cubes. What is the sum of the IDs
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of those games?
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								2/1/solution.sh
									
									
									
									
									
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								2/1/solution.sh
									
									
									
									
									
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#!/usr/bin/env bash
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#set -o errexit
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set -o nounset
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#set -o pipefail
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if [[ "${TRACE-0}" == "1" ]]; then
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  set -o xtrace
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fi
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cd "$(dirname "$0")"
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main ()
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{
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  declare -a colors=(red green blue)
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  declare -A limits=([red]=12 [green]=13 [blue]=14)
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  declare -a possible_ids
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  while read -r game; do
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    possible=true
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    stripped_game=$(sed 's/^Game [0-9]\+: //' <<< "${game}")
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    IFS=';' read -r -a sets <<< "${stripped_game}"
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    for (( i=0; i<${#sets[@]}; i++ )); do
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      for color in "${colors[@]}"; do
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        count=$(grep -o "[0-9]* ${color}" <<< "${sets[$i]}" | grep -o '[0-9]*')
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        if [[ $count -gt ${limits[$color]} ]]; then
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          possible=false
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        fi
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      done
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    done
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    if $possible; then
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      id=$(grep -o '[0-9]*' <<< "${game}" | head -n 1)
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      possible_ids+=($id)
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    fi
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  done < input.txt
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  echo "${possible_ids[@]}"
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  declare -i sum=0
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  for id in "${possible_ids[@]}"; do
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    (( sum+=id ))
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  done
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  echo $sum
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}
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main
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								2/2/input.txt
									
									
									
									
									
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Game 1: 3 blue, 2 green, 6 red; 17 green, 4 red, 8 blue; 2 red, 1 green, 10 blue; 1 blue, 5 green
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Game 2: 9 red, 2 green; 5 red, 1 blue, 6 green; 3 green, 13 red, 1 blue; 3 red, 6 green; 1 blue, 14 red, 6 green
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Game 3: 6 red, 3 blue, 8 green; 6 blue, 12 green, 15 red; 3 blue, 18 green, 4 red
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Game 4: 1 blue, 4 red; 2 blue, 6 red; 13 blue; 11 blue, 1 green, 8 red; 10 blue, 3 green, 2 red; 3 green, 7 blue
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Game 5: 2 red, 1 blue, 8 green; 2 blue, 7 green, 3 red; 1 blue, 7 green, 4 red; 2 blue, 1 green, 1 red; 13 green, 1 blue
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Game 6: 7 green, 1 red, 3 blue; 1 red, 4 blue; 6 green, 6 blue; 8 green, 1 red; 6 green, 1 red, 5 blue
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Game 7: 10 blue, 1 green; 5 red, 8 blue, 3 green; 11 blue, 5 red, 8 green; 2 blue, 8 red, 5 green; 7 blue, 9 green; 6 blue, 2 green, 7 red
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Game 8: 15 green, 8 blue, 3 red; 6 blue, 7 green, 5 red; 2 green, 1 red, 5 blue; 9 blue, 9 green, 5 red
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Game 9: 16 red; 5 blue, 6 red, 9 green; 7 blue, 6 green, 2 red; 15 red, 5 blue, 3 green; 1 red, 6 green, 6 blue; 3 blue, 7 red, 5 green
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Game 10: 17 green, 5 blue, 6 red; 18 green, 9 red; 4 red, 4 blue, 4 green; 10 red, 6 green, 5 blue; 8 red, 4 blue, 12 green
 | 
			
		||||
Game 11: 4 blue, 2 green, 5 red; 1 blue, 1 red; 9 blue, 1 green, 2 red; 4 red, 10 blue; 3 green, 4 blue, 3 red
 | 
			
		||||
Game 12: 4 green, 2 blue, 7 red; 4 blue, 2 green, 1 red; 7 green, 5 blue, 9 red
 | 
			
		||||
Game 13: 1 green, 3 red, 3 blue; 1 blue, 10 green; 2 green, 3 blue
 | 
			
		||||
Game 14: 7 red, 3 green, 12 blue; 5 red, 4 green, 6 blue; 13 blue, 1 red; 4 blue, 6 red, 2 green; 4 red, 3 blue; 9 red, 13 blue
 | 
			
		||||
Game 15: 4 blue, 5 red, 2 green; 7 red, 2 blue, 1 green; 17 red, 3 blue; 2 blue; 4 blue, 8 red
 | 
			
		||||
Game 16: 5 blue; 9 red, 14 green, 5 blue; 5 blue, 9 green
 | 
			
		||||
Game 17: 3 blue, 5 red; 6 blue, 1 green, 4 red; 7 green, 6 blue, 7 red; 1 red, 6 blue, 4 green; 6 green; 1 blue, 6 green
 | 
			
		||||
Game 18: 9 blue, 4 green, 2 red; 1 green, 9 red, 10 blue; 14 red, 10 green, 17 blue; 12 red, 1 green, 15 blue; 3 blue, 8 red, 2 green; 3 green, 11 red, 13 blue
 | 
			
		||||
Game 19: 1 blue, 3 red, 9 green; 14 green, 3 red, 2 blue; 1 blue, 8 red, 11 green; 4 blue, 3 red; 14 red, 4 green; 5 red, 8 green
 | 
			
		||||
Game 20: 2 blue, 3 red, 2 green; 3 blue, 2 green; 1 red, 4 green, 5 blue; 9 blue, 9 green, 3 red; 3 green, 1 blue, 4 red; 1 red, 9 green, 2 blue
 | 
			
		||||
Game 21: 11 blue, 6 red; 8 red; 7 red, 6 green, 11 blue; 7 green, 7 red, 11 blue; 6 red, 12 blue
 | 
			
		||||
Game 22: 7 green, 8 blue, 5 red; 12 green, 4 red, 2 blue; 12 green, 7 red, 11 blue
 | 
			
		||||
Game 23: 5 green, 2 blue, 7 red; 6 blue, 8 green, 3 red; 10 red, 5 blue; 6 green, 3 blue; 1 green, 8 red
 | 
			
		||||
Game 24: 17 blue, 1 green, 2 red; 2 red, 11 green, 9 blue; 6 red, 8 blue
 | 
			
		||||
Game 25: 3 red, 1 blue, 19 green; 1 blue, 1 green, 6 red; 6 green, 5 blue; 4 green, 2 red, 19 blue; 6 red, 19 blue, 18 green; 1 red, 4 blue, 1 green
 | 
			
		||||
Game 26: 3 red, 4 blue, 2 green; 2 red, 1 green, 3 blue; 14 blue, 1 green, 3 red; 5 green, 2 red, 10 blue; 9 blue, 2 red, 7 green; 15 blue, 4 green, 3 red
 | 
			
		||||
Game 27: 3 blue, 5 red, 2 green; 6 red, 7 blue, 9 green; 14 green, 11 red, 6 blue; 3 blue, 20 green, 3 red; 6 red, 15 green, 7 blue; 13 red, 1 blue, 14 green
 | 
			
		||||
Game 28: 4 blue, 7 green, 4 red; 2 red, 4 blue, 7 green; 6 blue, 11 green, 4 red; 6 blue, 6 green, 3 red; 6 green, 12 red
 | 
			
		||||
Game 29: 3 red, 9 blue; 5 red, 5 blue; 2 green, 3 red, 3 blue
 | 
			
		||||
Game 30: 1 green, 1 red, 3 blue; 1 blue, 1 red, 3 green; 1 blue; 1 blue, 3 green, 1 red; 2 blue, 2 green
 | 
			
		||||
Game 31: 2 blue, 1 red; 1 blue, 1 green, 1 red; 4 blue, 3 green; 1 red, 3 green, 2 blue; 2 green
 | 
			
		||||
Game 32: 1 blue, 6 green; 9 red, 6 green; 1 blue, 15 red, 3 green
 | 
			
		||||
Game 33: 18 green, 1 blue, 10 red; 10 red, 1 blue, 7 green; 11 green; 6 red, 13 green
 | 
			
		||||
Game 34: 10 red, 14 blue, 6 green; 2 green, 13 blue, 1 red; 8 green, 7 blue, 1 red; 9 blue, 7 green, 4 red
 | 
			
		||||
Game 35: 5 blue, 9 green, 2 red; 7 green, 9 blue, 5 red; 1 green, 5 red
 | 
			
		||||
Game 36: 10 red; 5 red, 1 green, 1 blue; 2 green, 8 red; 9 red, 2 green; 1 blue, 10 red; 6 red, 1 green, 1 blue
 | 
			
		||||
Game 37: 13 red, 1 blue, 7 green; 1 green, 9 red, 3 blue; 4 red, 1 blue, 11 green; 1 red; 1 red, 1 blue; 6 red, 3 blue, 2 green
 | 
			
		||||
Game 38: 3 blue, 12 red, 7 green; 1 green; 12 red, 1 blue
 | 
			
		||||
Game 39: 7 green, 12 blue, 2 red; 3 red, 10 blue, 7 green; 2 red, 8 green, 3 blue; 3 red, 12 blue, 5 green
 | 
			
		||||
Game 40: 7 green, 5 red; 1 green, 2 blue; 2 red, 1 green, 7 blue
 | 
			
		||||
Game 41: 1 red, 7 green, 2 blue; 2 green, 2 blue; 4 blue, 7 green, 1 red; 1 blue, 1 red, 7 green; 6 blue, 2 red, 3 green
 | 
			
		||||
Game 42: 6 blue; 4 green, 18 blue, 1 red; 10 green, 14 blue, 2 red; 6 blue, 4 green; 2 red, 13 blue, 6 green; 6 green, 1 red, 5 blue
 | 
			
		||||
Game 43: 5 blue, 12 red; 5 blue, 2 green, 7 red; 9 red, 4 blue; 1 green, 11 red, 2 blue; 5 red, 1 green; 2 blue, 3 red, 1 green
 | 
			
		||||
Game 44: 4 blue, 9 red, 4 green; 4 blue, 10 red; 4 green, 5 red; 1 green, 2 red, 3 blue
 | 
			
		||||
Game 45: 7 green, 2 blue, 18 red; 19 red, 7 green; 8 green, 1 blue, 19 red; 2 green, 12 red; 6 red, 5 green; 7 green, 10 red
 | 
			
		||||
Game 46: 1 blue, 15 red, 11 green; 7 red, 1 green, 5 blue; 13 red, 2 blue, 2 green; 7 green, 5 blue, 10 red; 12 green, 3 red, 1 blue
 | 
			
		||||
Game 47: 2 blue, 2 red, 5 green; 7 green, 2 red, 7 blue; 10 blue, 2 red, 8 green
 | 
			
		||||
Game 48: 8 green, 10 red; 6 green, 5 red; 12 green, 2 blue; 17 green, 5 red, 1 blue; 14 green, 3 blue, 16 red; 1 blue, 5 red
 | 
			
		||||
Game 49: 5 blue, 6 red, 12 green; 8 blue, 15 green; 4 blue, 3 green, 3 red; 6 red, 11 green, 10 blue; 9 green, 2 red, 10 blue
 | 
			
		||||
Game 50: 10 red, 11 green, 14 blue; 6 green, 8 blue, 17 red; 2 blue, 4 red; 6 blue, 8 green, 17 red; 17 red, 9 blue, 2 green; 13 blue, 16 red, 12 green
 | 
			
		||||
Game 51: 12 red, 2 green, 7 blue; 5 blue, 10 red; 1 blue, 7 red, 1 green; 14 blue, 2 red, 1 green
 | 
			
		||||
Game 52: 5 blue, 5 red, 8 green; 1 blue, 9 green, 7 red; 4 blue, 5 red, 3 green; 7 green, 2 blue, 2 red; 5 red, 3 blue, 17 green; 19 green, 1 red
 | 
			
		||||
Game 53: 4 red, 1 blue, 2 green; 1 green; 2 red; 1 blue, 2 green; 2 green, 4 red
 | 
			
		||||
Game 54: 7 red; 9 red, 2 blue, 14 green; 1 blue, 5 green; 7 green, 3 blue
 | 
			
		||||
Game 55: 11 blue, 2 green; 11 blue, 9 green, 12 red; 8 green, 6 blue, 12 red
 | 
			
		||||
Game 56: 2 green, 1 red, 2 blue; 4 red, 5 green, 5 blue; 5 red, 5 blue, 10 green; 8 red, 3 green, 3 blue
 | 
			
		||||
Game 57: 7 red, 3 green; 1 blue, 6 red, 1 green; 1 blue; 7 red, 1 green, 1 blue; 2 red, 1 blue, 1 green; 3 green, 1 blue
 | 
			
		||||
Game 58: 9 blue, 2 red; 2 green, 9 blue, 2 red; 5 blue, 4 green
 | 
			
		||||
Game 59: 8 red; 5 green, 1 blue, 3 red; 1 green, 8 red
 | 
			
		||||
Game 60: 9 green, 8 blue, 3 red; 10 green, 4 red; 8 blue, 2 green, 4 red; 1 red, 5 green, 7 blue; 1 green, 4 blue, 1 red; 4 blue
 | 
			
		||||
Game 61: 5 blue, 9 red, 4 green; 5 green, 7 blue, 6 red; 7 green, 8 red; 7 blue, 4 red, 2 green; 8 red, 4 blue, 5 green; 3 green, 9 red, 7 blue
 | 
			
		||||
Game 62: 9 red, 10 blue; 1 green, 7 red, 13 blue; 1 green, 11 blue; 6 red, 16 blue, 5 green; 20 red, 1 green, 3 blue
 | 
			
		||||
Game 63: 9 red, 8 green, 1 blue; 13 green, 12 red, 1 blue; 7 green, 5 red, 3 blue
 | 
			
		||||
Game 64: 3 red, 2 blue, 10 green; 3 green; 1 blue, 8 green, 2 red; 7 red, 1 blue, 4 green; 9 red, 1 blue, 4 green
 | 
			
		||||
Game 65: 7 red, 6 green; 1 blue, 4 green, 7 red; 6 red; 6 red, 4 green, 1 blue
 | 
			
		||||
Game 66: 4 blue, 4 green; 1 red, 7 green, 1 blue; 7 green, 3 red, 3 blue; 1 blue, 1 red, 6 green; 3 red, 7 green
 | 
			
		||||
Game 67: 5 green, 16 blue, 5 red; 4 red, 7 green, 3 blue; 4 red, 4 green, 9 blue; 12 green, 5 red; 15 green, 3 red; 10 blue, 6 red, 1 green
 | 
			
		||||
Game 68: 3 green, 3 blue, 5 red; 2 green, 6 blue; 2 green, 3 blue, 1 red; 1 blue, 11 red
 | 
			
		||||
Game 69: 5 green, 1 blue; 16 green, 9 red; 10 red, 18 green
 | 
			
		||||
Game 70: 1 blue, 1 green; 1 red; 1 red, 2 blue, 1 green; 1 green, 2 red; 2 blue, 2 red; 1 red
 | 
			
		||||
Game 71: 11 red; 2 green, 3 blue, 13 red; 1 green, 3 blue; 15 red, 1 green, 3 blue; 4 red
 | 
			
		||||
Game 72: 2 blue, 6 red, 18 green; 6 red, 8 green, 7 blue; 5 blue, 3 red, 12 green; 3 red, 2 blue, 4 green
 | 
			
		||||
Game 73: 12 blue, 7 green, 4 red; 5 green, 2 red, 4 blue; 3 green, 3 red, 10 blue; 1 green, 12 blue, 6 red; 3 blue, 6 green, 14 red
 | 
			
		||||
Game 74: 3 red; 1 blue, 8 green, 11 red; 3 green, 2 red
 | 
			
		||||
Game 75: 5 green, 2 red, 1 blue; 8 green, 2 red; 11 green, 2 red; 2 red, 17 green; 3 blue, 3 green, 2 red
 | 
			
		||||
Game 76: 1 blue, 5 green, 4 red; 8 green, 11 blue, 5 red; 8 blue, 2 red, 11 green
 | 
			
		||||
Game 77: 1 red, 11 blue, 7 green; 8 green, 4 blue; 1 blue, 8 green
 | 
			
		||||
Game 78: 1 green, 1 red, 1 blue; 3 green, 1 blue, 3 red; 10 green, 1 blue; 12 green
 | 
			
		||||
Game 79: 1 red, 11 blue, 6 green; 3 green, 3 red, 5 blue; 16 blue, 1 red, 5 green; 11 blue, 3 green, 2 red; 8 blue, 6 green, 4 red
 | 
			
		||||
Game 80: 5 green; 6 green, 7 red, 4 blue; 7 green, 5 blue; 6 blue, 6 green; 7 blue, 7 green; 6 green, 7 blue, 5 red
 | 
			
		||||
Game 81: 1 green, 14 blue; 11 blue, 1 red; 1 red, 16 green, 2 blue; 9 green, 1 red, 13 blue; 10 green, 8 blue
 | 
			
		||||
Game 82: 7 green, 7 red, 3 blue; 4 blue, 1 green, 4 red; 2 green, 14 blue, 3 red
 | 
			
		||||
Game 83: 15 blue; 2 blue, 1 green, 4 red; 8 green, 4 red, 6 blue
 | 
			
		||||
Game 84: 12 blue, 17 green; 6 green, 1 red, 16 blue; 1 blue, 1 red; 5 blue, 11 green
 | 
			
		||||
Game 85: 5 blue, 15 green, 3 red; 4 blue, 1 green, 11 red; 8 red, 2 blue, 4 green
 | 
			
		||||
Game 86: 11 blue, 16 green, 16 red; 11 blue, 17 red, 10 green; 8 green, 7 red
 | 
			
		||||
Game 87: 2 red, 4 green, 2 blue; 2 blue, 6 green; 2 red, 3 blue, 3 green; 1 red, 4 green; 1 green, 2 blue, 2 red; 4 blue, 4 green
 | 
			
		||||
Game 88: 10 red, 7 green; 2 blue, 6 red, 1 green; 8 blue, 8 red, 7 green; 2 green, 5 blue, 2 red; 3 blue, 3 red, 6 green
 | 
			
		||||
Game 89: 9 blue, 16 green; 2 red, 5 blue, 6 green; 12 blue, 15 green; 8 green, 2 red, 3 blue
 | 
			
		||||
Game 90: 18 red, 1 blue; 3 red, 5 blue, 4 green; 1 blue, 2 green, 6 red; 2 green, 16 red, 3 blue; 5 blue, 13 red, 5 green
 | 
			
		||||
Game 91: 4 red, 7 green, 1 blue; 3 green, 16 blue, 2 red; 4 green, 8 blue
 | 
			
		||||
Game 92: 4 red, 3 green; 5 red, 11 green, 1 blue; 16 green, 13 red; 15 green, 14 red, 3 blue; 3 red, 5 green, 2 blue
 | 
			
		||||
Game 93: 2 blue, 1 red, 3 green; 10 blue, 1 red, 10 green; 11 blue, 16 green, 4 red; 2 green, 20 blue, 7 red; 11 green, 8 red, 15 blue; 9 green, 10 blue, 1 red
 | 
			
		||||
Game 94: 2 blue, 12 red, 10 green; 16 red, 9 blue, 6 green; 5 green, 9 blue, 11 red; 4 red, 2 blue
 | 
			
		||||
Game 95: 2 green, 9 red, 1 blue; 2 blue, 1 red; 2 green, 5 blue, 3 red
 | 
			
		||||
Game 96: 1 green, 5 red, 13 blue; 1 green, 2 red, 13 blue; 2 green, 2 red, 17 blue; 3 red, 1 green; 6 red, 2 green; 1 green, 7 blue, 4 red
 | 
			
		||||
Game 97: 1 green, 1 red, 1 blue; 2 blue, 11 green; 1 blue, 13 green; 9 blue, 6 green, 1 red; 10 green, 8 blue
 | 
			
		||||
Game 98: 12 green, 9 red; 12 green, 10 blue, 3 red; 3 red, 13 green, 7 blue
 | 
			
		||||
Game 99: 8 green, 10 blue, 1 red; 10 green, 2 red, 6 blue; 3 green, 1 blue, 1 red; 10 blue, 1 red
 | 
			
		||||
Game 100: 8 blue, 6 green, 8 red; 7 red, 2 blue; 2 red, 10 green, 10 blue; 9 green, 7 red; 3 red, 7 green, 1 blue
 | 
			
		||||
							
								
								
									
										34
									
								
								2/2/puzzle.txt
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										34
									
								
								2/2/puzzle.txt
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,34 @@
 | 
			
		||||
--- Part Two ---
 | 
			
		||||
 | 
			
		||||
The Elf says they've stopped producing snow because they aren't getting any
 | 
			
		||||
water! He isn't sure why the water stopped; however, he can show you how to get
 | 
			
		||||
to the water source to check it out for yourself. It's just up ahead!
 | 
			
		||||
 | 
			
		||||
As you continue your walk, the Elf poses a second question: in each game you
 | 
			
		||||
played, what is the fewest number of cubes of each color that could have been in
 | 
			
		||||
the bag to make the game possible?
 | 
			
		||||
 | 
			
		||||
Again consider the example games from earlier:
 | 
			
		||||
 | 
			
		||||
Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
 | 
			
		||||
Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
 | 
			
		||||
Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
 | 
			
		||||
Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
 | 
			
		||||
Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green
 | 
			
		||||
 | 
			
		||||
In game 1, the game could have been played with as few as 4 red, 2 green, and 6
 | 
			
		||||
blue cubes. If any color had even one fewer cube, the game would have been
 | 
			
		||||
impossible.
 | 
			
		||||
 | 
			
		||||
Game 2 could have been played with a minimum of 1 red, 3 green, and 4 blue cubes.
 | 
			
		||||
Game 3 must have been played with at least 20 red, 13 green, and 6 blue cubes.
 | 
			
		||||
Game 4 required at least 14 red, 3 green, and 15 blue cubes.
 | 
			
		||||
Game 5 needed no fewer than 6 red, 3 green, and 2 blue cubes in the bag.
 | 
			
		||||
 | 
			
		||||
The power of a set of cubes is equal to the numbers of red, green, and blue
 | 
			
		||||
cubes multiplied together. The power of the minimum set of cubes in game 1 is
 | 
			
		||||
48. In games 2-5 it was 12, 1560, 630, and 36, respectively. Adding up these
 | 
			
		||||
five powers produces the sum 2286.
 | 
			
		||||
 | 
			
		||||
For each game, find the minimum set of cubes that must have been present. What
 | 
			
		||||
is the sum of the power of these sets?
 | 
			
		||||
							
								
								
									
										33
									
								
								2/2/solution.sh
									
									
									
									
									
										Executable file
									
								
							
							
						
						
									
										33
									
								
								2/2/solution.sh
									
									
									
									
									
										Executable file
									
								
							@@ -0,0 +1,33 @@
 | 
			
		||||
#!/usr/bin/env bash
 | 
			
		||||
 | 
			
		||||
#set -o errexit
 | 
			
		||||
set -o nounset
 | 
			
		||||
#set -o pipefail
 | 
			
		||||
if [[ "${TRACE-0}" == "1" ]]; then
 | 
			
		||||
  set -o xtrace
 | 
			
		||||
fi
 | 
			
		||||
 | 
			
		||||
cd "$(dirname "$0")"
 | 
			
		||||
 | 
			
		||||
main ()
 | 
			
		||||
{
 | 
			
		||||
  declare -a colors=(red green blue)
 | 
			
		||||
  declare -i powers=0
 | 
			
		||||
  while read -r game; do
 | 
			
		||||
    declare -A colors_max=([red]=0 [green]=0 [blue]=0)
 | 
			
		||||
    stripped_game=$(sed 's/^Game [0-9]\+: //' <<< "${game}")
 | 
			
		||||
    IFS=';' read -r -a sets <<< "${stripped_game}"
 | 
			
		||||
    for (( i=0; i<${#sets[@]}; i++ )); do
 | 
			
		||||
      for color in "${colors[@]}"; do
 | 
			
		||||
        count=$(grep -o "[0-9]* ${color}" <<< "${sets[$i]}" | grep -o '[0-9]*')
 | 
			
		||||
        if [[ $count -gt ${colors_max[$color]} ]]; then
 | 
			
		||||
          colors_max[$color]=$count
 | 
			
		||||
        fi
 | 
			
		||||
      done
 | 
			
		||||
    done
 | 
			
		||||
    (( powers+=colors_max[red]*colors_max[green]*colors_max[blue] ))
 | 
			
		||||
  done < input.txt
 | 
			
		||||
  echo $powers
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
main
 | 
			
		||||
		Reference in New Issue
	
	Block a user