feat: add solution for 2023, Day 2: Cube Conundrum
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5 changed files with 441 additions and 0 deletions
100
2023/day-2/files/input
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2023/day-2/files/input
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Game 1: 7 blue, 6 green, 3 red; 3 red, 5 green, 1 blue; 1 red, 5 green, 8 blue; 3 red, 1 green, 5 blue
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Game 2: 9 green, 1 blue, 12 red; 1 blue, 18 green, 8 red; 2 blue, 6 green, 13 red; 3 blue, 13 red, 7 green; 5 blue, 4 red, 4 green; 6 blue, 7 green, 4 red
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Game 3: 5 blue, 9 red, 14 green; 10 green, 3 blue; 11 red, 2 blue, 8 green; 5 red, 2 blue; 5 blue, 7 green, 8 red
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Game 4: 2 red, 3 blue, 2 green; 17 green, 6 blue, 1 red; 3 blue, 5 green, 1 red; 4 red, 1 blue, 16 green; 5 red, 4 blue, 13 green; 14 green, 5 blue, 6 red
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Game 5: 3 red, 17 green, 10 blue; 9 blue, 5 green; 14 green, 9 blue, 11 red
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Game 6: 4 green, 18 blue, 3 red; 6 green, 8 blue, 9 red; 4 green, 9 blue, 7 red; 9 red, 1 green, 12 blue
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Game 7: 1 blue, 14 green; 1 red, 4 blue, 15 green; 3 blue, 6 green; 3 blue, 2 green, 1 red; 1 red, 3 green, 1 blue
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Game 8: 10 red, 3 blue, 3 green; 5 blue, 7 red, 3 green; 3 red, 3 green, 11 blue; 1 red, 7 green, 10 blue; 13 blue, 5 green, 5 red; 1 green, 17 blue, 3 red
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Game 9: 1 blue, 6 green; 7 green, 2 red; 3 red, 2 green; 1 blue, 4 red, 3 green; 7 green, 1 blue, 1 red
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Game 10: 14 green, 6 blue, 1 red; 8 green, 5 red, 1 blue; 8 green, 5 blue, 5 red; 2 green, 3 blue, 5 red
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Game 11: 1 blue, 2 green; 1 blue, 1 green, 7 red; 1 blue, 4 green, 7 red; 2 red, 2 green, 1 blue
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Game 12: 5 blue, 12 green, 12 red; 11 green, 3 red; 14 green, 3 blue, 18 red
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Game 13: 2 green, 6 red; 6 red, 5 blue; 7 red, 3 blue, 8 green; 7 red, 8 green; 3 blue, 2 green, 3 red; 1 blue, 8 red, 6 green
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Game 14: 18 green, 6 blue, 5 red; 5 blue, 15 red, 19 green; 7 green, 11 blue, 20 red; 5 red, 18 green, 7 blue
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Game 15: 3 red, 16 green, 1 blue; 11 green, 6 red, 1 blue; 12 green, 2 red; 17 green, 1 blue, 14 red
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Game 16: 3 red, 2 green, 5 blue; 1 green, 6 blue, 1 red; 1 green, 2 blue, 3 red; 1 blue, 1 red; 5 blue, 1 green, 2 red
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Game 17: 3 blue, 6 red; 1 blue, 2 red; 1 blue, 1 green, 7 red; 1 green, 7 red, 2 blue; 7 red, 1 blue; 1 green, 8 red, 1 blue
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Game 18: 6 green, 10 red; 6 red, 7 green; 10 red, 11 green; 10 red, 2 blue, 5 green
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Game 19: 2 blue; 1 blue, 4 green, 6 red; 7 green, 6 red, 2 blue; 2 blue, 5 red, 4 green; 1 green, 10 red
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Game 20: 6 red, 5 green, 10 blue; 5 blue, 5 green, 9 red; 7 blue, 3 green, 3 red; 9 blue, 12 red, 1 green
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Game 21: 4 red, 18 blue, 14 green; 3 green, 14 blue, 5 red; 5 green, 12 blue; 1 blue, 2 red, 1 green; 5 red, 11 green, 7 blue; 17 green, 4 red, 15 blue
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Game 22: 1 blue, 14 green, 4 red; 7 green, 10 red; 9 green, 1 blue, 9 red; 1 blue, 8 green, 5 red
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Game 23: 4 blue, 5 green, 2 red; 6 blue, 8 red, 4 green; 4 blue, 17 red, 14 green
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Game 24: 3 green, 8 blue; 3 blue, 5 green, 13 red; 17 red, 4 green
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Game 25: 19 red, 9 blue, 1 green; 3 green, 18 red, 6 blue; 1 green, 7 red, 7 blue; 8 blue, 1 red
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Game 26: 10 green, 12 blue, 2 red; 9 red; 10 blue, 12 green, 9 red
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Game 27: 2 blue, 8 green, 6 red; 5 green, 9 red; 4 red, 11 green
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Game 28: 10 blue, 20 red; 14 blue, 3 green, 2 red; 9 red, 12 blue, 1 green
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Game 29: 4 red, 1 blue, 2 green; 1 green, 6 red, 1 blue; 15 red
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Game 30: 1 red, 13 blue, 6 green; 3 blue, 4 green; 19 blue, 11 green; 1 red, 11 green, 14 blue
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Game 31: 10 red, 12 green; 12 green, 10 red; 2 blue, 15 red, 12 green; 2 green, 2 blue, 15 red; 9 green, 5 red, 2 blue
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Game 32: 5 blue, 5 green, 8 red; 5 green, 6 red; 5 blue, 8 red, 4 green; 5 green, 3 blue, 6 red
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Game 33: 1 red, 9 green, 5 blue; 17 green, 4 blue; 3 green, 2 blue; 10 green, 2 blue; 1 blue, 4 green; 2 green, 9 blue
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Game 34: 11 blue, 11 red, 9 green; 13 red, 3 blue, 5 green; 9 green, 12 blue, 5 red; 13 red, 8 blue, 5 green
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Game 35: 1 green, 3 red, 7 blue; 1 red, 3 green, 9 blue; 1 blue, 2 green, 1 red; 11 blue, 5 red, 6 green
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Game 36: 4 blue, 12 green, 16 red; 7 blue, 11 green; 8 green, 5 blue, 1 red; 14 green, 3 red
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Game 37: 13 red, 5 blue, 9 green; 1 red, 10 blue, 14 green; 1 green, 2 blue, 10 red; 13 red, 10 blue; 1 blue, 8 green
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Game 38: 3 red, 4 blue, 8 green; 1 red, 11 blue, 4 green; 13 blue, 8 green; 3 red, 3 green, 10 blue; 1 red, 1 blue, 1 green; 1 green, 2 red, 10 blue
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Game 39: 9 red, 7 blue, 1 green; 15 red, 4 green, 1 blue; 2 green, 8 blue, 7 red; 6 blue, 11 red; 12 red, 2 blue, 7 green
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Game 40: 13 red, 3 green, 1 blue; 3 green, 10 red; 16 red
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Game 41: 1 blue, 3 red; 7 blue, 5 red, 3 green; 4 red, 3 blue, 2 green; 2 blue, 5 red, 1 green; 3 green, 4 red, 3 blue; 5 blue, 2 red
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Game 42: 1 red, 4 green; 11 red, 4 green; 13 red; 1 blue, 10 red; 1 blue, 2 red, 4 green
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Game 43: 11 green, 13 red, 1 blue; 11 green, 9 red, 2 blue; 7 green; 13 green, 15 red; 1 blue, 14 green
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Game 44: 5 green, 14 blue, 15 red; 13 blue, 15 green; 9 green, 15 red, 6 blue
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Game 45: 16 red, 8 blue; 1 green, 4 blue, 6 red; 4 blue, 8 red; 12 red, 3 blue, 3 green; 2 green, 4 red, 4 blue; 2 green, 8 blue, 10 red
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Game 46: 12 blue, 3 green, 12 red; 9 red, 9 blue; 3 green, 12 red; 10 red, 6 green; 2 red, 7 blue
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Game 47: 9 green, 6 red; 1 blue, 7 red, 10 green; 1 green, 2 red; 1 red, 3 green
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Game 48: 9 blue, 5 green, 13 red; 14 green, 4 red; 15 red, 9 green, 1 blue; 4 blue, 6 red, 13 green; 9 green, 8 blue, 8 red
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Game 49: 5 blue, 3 red; 1 green, 2 red, 5 blue; 1 green, 7 blue; 3 green
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Game 50: 8 red, 6 green; 10 blue, 4 green, 6 red; 8 green, 11 blue, 9 red
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Game 51: 5 blue; 13 blue; 1 red, 2 blue, 1 green; 1 red, 8 blue
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Game 52: 7 blue; 1 red, 2 green, 12 blue; 1 red, 5 blue; 2 red, 7 blue, 4 green; 3 green, 2 red, 2 blue
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Game 53: 10 blue, 12 red; 3 green, 5 blue, 3 red; 14 red, 4 green, 7 blue; 1 red, 14 blue
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Game 54: 2 blue, 14 red, 3 green; 3 green, 7 red; 2 blue, 3 green, 9 red; 3 green, 7 red; 1 green, 14 red, 1 blue
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Game 55: 3 green, 9 red, 12 blue; 5 blue, 5 green, 2 red; 7 green, 14 red, 12 blue
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Game 56: 1 blue, 3 red, 4 green; 5 red, 8 green, 1 blue; 3 green, 1 blue, 2 red
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Game 57: 8 blue, 13 red, 2 green; 3 blue, 5 red; 7 red, 2 green; 2 red, 5 blue, 3 green; 1 green, 4 blue
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Game 58: 4 green, 3 red, 2 blue; 5 green, 2 blue, 10 red; 11 green, 1 red, 2 blue; 4 red, 5 green
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Game 59: 5 green; 4 green, 2 blue; 1 red, 9 green; 7 green, 2 blue; 16 green, 1 blue
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Game 60: 6 green, 5 blue, 1 red; 5 blue, 3 green, 6 red; 1 green, 5 blue, 14 red; 6 red, 4 blue, 3 green
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Game 61: 2 green, 6 red, 6 blue; 6 blue, 3 red; 1 green, 2 red, 2 blue; 1 red, 2 green; 5 red, 1 green, 2 blue; 2 green, 6 red, 6 blue
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Game 62: 18 green, 8 blue, 1 red; 8 green, 4 red; 13 blue, 1 red, 3 green; 7 blue, 2 green, 4 red; 4 blue, 12 green, 5 red; 12 green, 11 blue
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Game 63: 2 red, 3 blue; 10 green, 13 red, 1 blue; 11 red, 3 green, 4 blue
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Game 64: 1 green, 16 red; 17 blue, 9 red, 1 green; 14 red, 7 blue
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Game 65: 7 blue, 11 red, 11 green; 7 red, 11 green; 3 blue, 13 red, 11 green; 5 green, 6 blue; 11 blue, 8 red, 3 green
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Game 66: 3 blue, 1 green, 3 red; 5 blue, 2 green, 5 red; 1 blue, 2 green, 7 red; 2 blue, 6 red; 7 red, 2 green, 2 blue; 2 red
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Game 67: 1 blue, 6 red, 2 green; 1 blue, 10 green, 6 red; 8 red, 2 blue, 4 green; 7 green, 9 red, 1 blue; 8 red, 7 green; 5 green, 1 blue
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Game 68: 15 blue, 8 green, 2 red; 6 blue, 2 green; 5 red, 6 green, 8 blue; 6 red, 11 green, 7 blue; 1 red, 3 blue; 5 red, 6 green, 5 blue
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Game 69: 5 blue, 4 green; 1 green, 11 red, 9 blue; 4 green, 15 blue, 6 red; 11 blue, 4 green, 5 red; 8 red, 3 green; 5 blue, 8 red
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Game 70: 5 blue, 4 red, 8 green; 6 blue, 6 green; 14 blue, 7 red, 1 green; 2 green, 6 blue, 3 red; 7 red, 11 blue, 3 green
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Game 71: 13 red, 6 blue, 10 green; 7 red, 12 green; 9 green, 14 red, 2 blue
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Game 72: 9 red, 3 green, 3 blue; 8 red, 7 blue, 5 green; 3 blue, 2 green, 1 red; 1 red, 2 blue, 2 green; 10 red, 7 green, 6 blue
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Game 73: 4 green, 3 red; 1 red; 2 red, 2 blue, 2 green; 1 blue, 3 red, 1 green; 2 blue, 3 red, 2 green; 1 red, 1 blue
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Game 74: 12 green, 4 red, 4 blue; 3 red, 13 green; 1 red, 13 green, 1 blue; 1 red, 3 blue, 6 green; 6 blue, 5 red, 4 green; 7 blue, 5 green, 1 red
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Game 75: 11 red, 1 green; 12 blue, 1 red; 2 blue, 1 green, 4 red; 11 red; 12 red, 6 green, 10 blue; 4 green, 5 blue, 7 red
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Game 76: 2 blue, 5 red, 6 green; 1 red, 10 green, 11 blue; 7 red, 11 green; 4 red, 10 blue, 10 green; 7 blue, 16 green, 2 red
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Game 77: 2 blue, 11 red, 4 green; 6 green, 3 blue, 2 red; 2 blue, 2 red, 7 green; 8 red, 14 blue, 5 green; 5 green, 2 blue, 18 red
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Game 78: 9 red, 7 green, 6 blue; 12 blue, 6 red; 1 red, 15 blue, 7 green; 3 blue, 11 green, 1 red
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Game 79: 3 blue; 1 blue; 1 red, 1 blue, 1 green; 3 blue; 5 blue, 1 red; 1 blue, 1 green, 1 red
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Game 80: 18 blue, 13 green, 7 red; 18 blue, 3 green, 3 red; 2 red, 9 blue, 14 green
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Game 81: 11 blue, 6 green, 3 red; 8 green, 12 red, 10 blue; 5 red, 4 blue, 13 green
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Game 82: 2 blue, 3 red; 4 blue, 17 red; 9 red; 12 red; 1 green, 6 blue, 7 red; 20 red
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Game 83: 1 blue, 1 red; 3 red, 1 blue; 3 red, 5 green; 1 blue, 2 green, 4 red; 5 green, 3 blue, 2 red
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Game 84: 4 red, 2 blue, 2 green; 8 red, 10 blue; 1 green, 15 red, 8 blue
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Game 85: 15 green; 11 red, 2 blue, 5 green; 8 red, 2 blue, 12 green; 15 red, 10 green; 10 red, 15 green; 17 red, 1 blue, 11 green
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Game 86: 6 blue, 1 red; 2 green, 1 red, 8 blue; 2 green, 10 blue; 10 blue, 2 green; 1 red, 5 blue
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Game 87: 4 red, 4 blue; 18 red, 8 blue; 16 red; 4 red, 1 green, 3 blue; 14 red, 9 blue
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Game 88: 11 green, 7 blue, 4 red; 3 red; 2 blue, 12 red, 19 green; 13 red, 3 blue, 2 green
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Game 89: 1 green, 1 red; 1 blue, 1 red, 6 green; 6 green, 3 red; 5 green, 2 red, 6 blue; 7 blue, 2 red, 8 green; 1 red, 2 blue
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Game 90: 3 green, 3 red, 3 blue; 5 green, 2 blue, 3 red; 1 blue, 2 red; 11 green, 1 blue, 2 red; 1 green, 3 blue, 4 red
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Game 91: 7 blue, 2 red; 2 blue, 1 red, 1 green; 6 blue, 1 red; 1 red, 7 blue
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Game 92: 11 green, 16 blue; 17 red, 7 blue, 9 green; 11 green, 3 blue, 12 red; 2 blue, 1 green, 6 red
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Game 93: 6 red, 1 blue, 3 green; 1 blue, 8 red, 7 green; 3 red, 5 green; 1 red, 2 green; 3 red, 7 green; 2 green, 15 red, 1 blue
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Game 94: 7 blue, 2 red, 2 green; 9 blue, 4 red, 2 green; 9 blue, 5 red, 3 green; 1 blue, 4 red, 3 green; 4 red, 1 green, 7 blue; 9 blue, 3 green, 3 red
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Game 95: 1 blue, 2 green, 2 red; 6 green, 6 red, 1 blue; 3 blue, 5 red, 2 green; 1 blue; 5 green, 2 red, 2 blue
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Game 96: 3 blue, 6 red, 5 green; 5 blue, 8 green, 9 red; 2 red, 5 green, 1 blue; 6 green, 4 blue, 3 red; 2 green, 2 blue; 6 blue, 4 green
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Game 97: 6 green, 8 blue, 5 red; 9 green, 6 blue; 3 green, 3 blue; 2 blue, 10 green, 4 red
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Game 98: 11 blue, 1 green, 9 red; 5 green, 1 blue, 6 red; 13 blue, 6 green, 10 red; 6 blue, 4 green, 9 red
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Game 99: 4 red, 3 green, 3 blue; 6 blue, 4 green, 11 red; 3 green, 15 red; 1 blue, 6 green, 14 red
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Game 100: 14 green, 6 blue, 12 red; 2 green, 1 blue, 2 red; 12 red, 7 blue, 3 green; 1 blue, 12 red, 8 green
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95
2023/day-2/game.go
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2023/day-2/game.go
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package main
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import (
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"fmt"
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"strconv"
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"strings"
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)
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type Game struct {
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ID int
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Sets []Set
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}
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type Set struct {
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Red int
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Green int
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Blue int
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}
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func parseGame(line string) (Game, error) {
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splits := strings.SplitN(strings.ReplaceAll(line, " ", ""), ":", 2)
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if len(splits) != 2 {
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return Game{}, fmt.Errorf("unexpected number of splits from %s; want 2; got %d", splits, len(splits))
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}
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gameStr, setsStr := splits[0], splits[1]
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gameID, err := parseGameID(gameStr)
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if err != nil {
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return Game{}, fmt.Errorf("unable to parse the Game ID; %w", err)
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}
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sets, err := parseSets(setsStr)
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if err != nil {
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return Game{}, fmt.Errorf("unable to parse the sets; %w", err)
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}
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game := Game{
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ID: gameID,
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Sets: sets,
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}
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return game, nil
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}
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func parseGameID(game string) (int, error) {
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id, err := strconv.Atoi(strings.TrimPrefix(game, "Game"))
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if err != nil {
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return 0, fmt.Errorf("error running strconv.Atoi(); %w", err)
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}
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return id, nil
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}
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func parseSets(str string) ([]Set, error) {
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setList := strings.Split(str, ";")
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var sets []Set
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const (
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red = "red"
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green = "green"
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blue = "blue"
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)
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for _, s := range setList {
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set := Set{0, 0, 0}
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split := strings.Split(s, ",")
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for _, i := range split {
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switch {
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case strings.HasSuffix(i, red):
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value, err := strconv.Atoi(strings.TrimSuffix(i, red))
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if err != nil {
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return nil, fmt.Errorf("unable to run strconv.Atoi() on %s; %w", i, err)
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}
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set.Red = value
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case strings.HasSuffix(i, green):
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value, err := strconv.Atoi(strings.TrimSuffix(i, green))
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if err != nil {
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return nil, fmt.Errorf("unable to run strconv.Atoi() on %s; %w", i, err)
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}
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set.Green = value
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case strings.HasSuffix(i, "blue"):
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value, err := strconv.Atoi(strings.TrimSuffix(i, blue))
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if err != nil {
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return nil, fmt.Errorf("unable to run strconv.Atoi() on %s; %w", i, err)
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}
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set.Blue = value
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}
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}
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sets = append(sets, set)
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}
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return sets, nil
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}
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62
2023/day-2/game_test.go
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62
2023/day-2/game_test.go
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package main
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import (
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"reflect"
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"testing"
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)
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func TestParseGame(t *testing.T) {
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table := []struct {
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testGame string
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want Game
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}{
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{
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testGame: "Game1: 10 green, 1 blue, 7red",
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want: Game{
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ID: 1,
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Sets: []Set{
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{
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Red: 7,
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Green: 10,
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Blue: 1,
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},
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},
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},
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},
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{
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testGame: "Game 100: 8 green, 6 blue, 20red; 5 blue, 4 red, 13green; 5 green, 1 red",
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want: Game{
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ID: 100,
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Sets: []Set{
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{
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Red: 20,
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Green: 8,
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Blue: 6,
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},
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{
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Red: 4,
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Green: 13,
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Blue: 5,
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},
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{
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Red: 1,
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Green: 5,
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Blue: 0,
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},
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},
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},
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},
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}
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for i := range table {
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got, err := parseGame(table[i].testGame)
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if err != nil {
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t.Fatalf("Error running parseGame(); %v", err)
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}
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if !reflect.DeepEqual(table[i].want, got) {
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t.Errorf("unexpected result after parsing the game; want %+v, got %+v", table[i].want, got)
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}
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}
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}
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140
2023/day-2/main.go
Normal file
140
2023/day-2/main.go
Normal file
|
@ -0,0 +1,140 @@
|
||||||
|
package main
|
||||||
|
|
||||||
|
import (
|
||||||
|
"bufio"
|
||||||
|
"fmt"
|
||||||
|
"io"
|
||||||
|
"log"
|
||||||
|
"os"
|
||||||
|
)
|
||||||
|
|
||||||
|
func main() {
|
||||||
|
filename := "2023/day-2/files/input"
|
||||||
|
|
||||||
|
file1, err := os.Open(filename)
|
||||||
|
if err != nil {
|
||||||
|
log.Fatalf("ERROR: unable to open %s, %v\n", filename, err)
|
||||||
|
}
|
||||||
|
defer file1.Close()
|
||||||
|
|
||||||
|
sumOfIDs, err := sumOfGameIDs(file1)
|
||||||
|
if err != nil {
|
||||||
|
log.Fatalf("ERROR: unable to calculate the sum of the IDs of the valid games; %v\n", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
fmt.Printf("Total sum of the IDs of the valid games: %d\n", sumOfIDs)
|
||||||
|
|
||||||
|
file2, err := os.Open(filename)
|
||||||
|
if err != nil {
|
||||||
|
log.Fatalf("ERROR: unable to open %s, %v\n", filename, err)
|
||||||
|
}
|
||||||
|
defer file2.Close()
|
||||||
|
|
||||||
|
sumOfPower, err := sumOfThePowerOfTheCubes(file2)
|
||||||
|
if err != nil {
|
||||||
|
log.Fatalf("ERROR: unable to calculate the sum of the power of cubes; %v\n", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
fmt.Printf("Total sum of the power of cubes: %d\n", sumOfPower)
|
||||||
|
}
|
||||||
|
|
||||||
|
// sumOfGameIDs solves Part 1
|
||||||
|
func sumOfGameIDs(r io.Reader) (int, error) {
|
||||||
|
scanner := bufio.NewScanner(r)
|
||||||
|
|
||||||
|
sum := 0
|
||||||
|
|
||||||
|
for scanner.Scan() {
|
||||||
|
line := scanner.Text()
|
||||||
|
|
||||||
|
if len(line) == 0 {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
|
||||||
|
game, err := parseGame(line)
|
||||||
|
if err != nil {
|
||||||
|
return 0, fmt.Errorf("unable to parse %q; %w", game, err)
|
||||||
|
}
|
||||||
|
|
||||||
|
if validGame(game.Sets) {
|
||||||
|
sum = sum + game.ID
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if err := scanner.Err(); err != nil {
|
||||||
|
return 0, fmt.Errorf("received an error after scanning file; %w", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
return sum, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// sumOfThePowerOfTheCubes solves Part 2
|
||||||
|
func sumOfThePowerOfTheCubes(r io.Reader) (int, error) {
|
||||||
|
scanner := bufio.NewScanner(r)
|
||||||
|
|
||||||
|
sum := 0
|
||||||
|
|
||||||
|
for scanner.Scan() {
|
||||||
|
line := scanner.Text()
|
||||||
|
|
||||||
|
if len(line) == 0 {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
|
||||||
|
game, err := parseGame(line)
|
||||||
|
if err != nil {
|
||||||
|
return 0, fmt.Errorf("unable to parse %q; %w", game, err)
|
||||||
|
}
|
||||||
|
|
||||||
|
fewestCubeSet := fewestSet(game.Sets)
|
||||||
|
|
||||||
|
sum = sum + (fewestCubeSet.Red * fewestCubeSet.Green * fewestCubeSet.Blue)
|
||||||
|
}
|
||||||
|
|
||||||
|
if err := scanner.Err(); err != nil {
|
||||||
|
return 0, fmt.Errorf("received an error after scanning file; %w", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
return sum, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func validGame(sets []Set) bool {
|
||||||
|
const (
|
||||||
|
maxRed = 12
|
||||||
|
maxGreen = 13
|
||||||
|
maxBlue = 14
|
||||||
|
)
|
||||||
|
|
||||||
|
for _, set := range sets {
|
||||||
|
switch {
|
||||||
|
case set.Red > maxRed:
|
||||||
|
return false
|
||||||
|
case set.Blue > maxBlue:
|
||||||
|
return false
|
||||||
|
case set.Green > maxGreen:
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return true
|
||||||
|
}
|
||||||
|
|
||||||
|
func fewestSet(sets []Set) Set {
|
||||||
|
result := Set{0, 0, 0}
|
||||||
|
|
||||||
|
for _, set := range sets {
|
||||||
|
if set.Red > result.Red {
|
||||||
|
result.Red = set.Red
|
||||||
|
}
|
||||||
|
|
||||||
|
if set.Green > result.Green {
|
||||||
|
result.Green = set.Green
|
||||||
|
}
|
||||||
|
|
||||||
|
if set.Blue > result.Blue {
|
||||||
|
result.Blue = set.Blue
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return result
|
||||||
|
}
|
44
2023/day-2/main_test.go
Normal file
44
2023/day-2/main_test.go
Normal file
|
@ -0,0 +1,44 @@
|
||||||
|
package main
|
||||||
|
|
||||||
|
import (
|
||||||
|
"bytes"
|
||||||
|
"testing"
|
||||||
|
)
|
||||||
|
|
||||||
|
var testStr = `
|
||||||
|
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
|
||||||
|
`
|
||||||
|
|
||||||
|
func TestSumOfGameIDs(t *testing.T) {
|
||||||
|
buf := bytes.NewBufferString(testStr)
|
||||||
|
|
||||||
|
got, err := sumOfGameIDs(buf)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("Received an error after running sumOfGameIDs(); %v\n", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
want := 8
|
||||||
|
|
||||||
|
if got != want {
|
||||||
|
t.Errorf("unexpected result received from sumOfGameIDs(); want %d, got %d\n", want, got)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func TestSumOfThePowerOfTheCubes(t *testing.T) {
|
||||||
|
buf := bytes.NewBufferString(testStr)
|
||||||
|
|
||||||
|
got, err := sumOfThePowerOfTheCubes(buf)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("Received an error after running sumOfThePowerOfTheCubes(); %v\n", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
want := 2286
|
||||||
|
|
||||||
|
if got != want {
|
||||||
|
t.Errorf("unexpected result received from sumOfThePowerOfTheCubes(); want %d; got %d", want, got)
|
||||||
|
}
|
||||||
|
}
|
Loading…
Reference in a new issue