kot.pink
advent of code 2025
day 1
+1
.gitignore
+1
.gitignore
···
1
+
*.input
+25
1.py
+25
1.py
···
1
+
import sys
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+
3
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lock = 50
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settled_zero = 0
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passed_zero = 0
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file = '1.input' if len(sys.argv) <= 1 else sys.argv[1]
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for line in open(file).readlines():
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num = int(line[1:-1])
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cycles, rem = divmod(num, 100)
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passed_zero += cycles
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if line[0] == 'L':
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if lock != 0 and lock < rem:
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passed_zero += 1
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lock -= num
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else:
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if lock != 0 and lock + rem > 100:
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passed_zero += 1
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lock += num
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lock %= 100
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if lock == 0:
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settled_zero += 1
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print(f'p1: {settled_zero}')
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print(f'p2: {settled_zero + passed_zero}')