29 lines
322 B
Python
29 lines
322 B
Python
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with open('data05.txt') as f:
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data = f.readlines()
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jumps = list(map(int, data))
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steps = 0
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i = 0
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'''
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# part 1
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while i < len(jumps):
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old = i
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i += jumps[i]
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jumps[old] += 1
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steps += 1
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'''
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# part 2
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while i < len(jumps):
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j = jumps[i]
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if j > 2:
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jumps[i] -= 1
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else:
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jumps[i] += 1
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i += j
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steps += 1
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print(steps)
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