86 lines
1.9 KiB
Python
86 lines
1.9 KiB
Python
#!/bin/python3
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import sys
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from pprint import pprint
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input_f = sys.argv[1]
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#########################################
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# #
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# Part 1 #
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# #
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#########################################
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lines = []
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with open(input_f) as file:
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for line in file:
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lines.append(int(line.rstrip()))
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curr = 0
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tmp = 0
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prev = 0
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steps=0
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while curr <= len(lines)-1:
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steps+=1
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#print('Start:',lines)
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#print('Starting at index',curr,'value',lines[curr])
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prev = curr
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if curr+lines[curr] > len(lines)-1:
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break
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#print('Jumps from [',curr,'] =',lines[curr],'to ',end='')
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curr = lines[curr]+curr
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#print('[',curr,'] =',lines[curr])
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#print('Increment',lines[prev],end=' ')
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lines[prev] += 1
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#print('to',lines[prev])
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#print('End:',lines,'curr=',curr)
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#input()
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print(steps)
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#########################################
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# #
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# Part 2 #
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# #
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#########################################
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lines = []
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with open(input_f) as file:
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for line in file:
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lines.append(int(line.rstrip()))
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curr = 0
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tmp = 0
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prev = 0
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steps=0
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while curr <= len(lines)-1:
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steps+=1
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#print('Start:',lines)
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#print('Starting at index',curr,'value',lines[curr])
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prev = curr
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if curr+lines[curr] > len(lines)-1:
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break
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#print('Jumps from [',curr,'] =',lines[curr],'to ',end='')
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curr = lines[curr]+curr
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#print('[',curr,'] =',lines[curr])
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offset = lines[prev] #abs((lines[prev])-(lines[curr]))
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#print('Offset:',offset)
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if offset >= 3:
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#print('Decrease',lines[prev],end=' ')
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lines[prev] -= 1
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else:
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#print('Increase',lines[prev],end=' ')
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lines[prev] += 1
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#print('to',lines[prev])
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#print('End:',lines,'curr=',curr)
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#input()
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print(steps)
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