89 lines
2.2 KiB
Python
89 lines
2.2 KiB
Python
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#!/bin/python3
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import sys,re
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from pprint import pprint
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sys.path.insert(0, '../../')
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from fred import list2int,get_re,nprint,lprint
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input_f = 'input'
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part = 2
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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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def checkInc(line:list):
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safe = False
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for i in range(0,len(line)-1):
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if line[i] < line[i+1]:
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safe = True
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else:
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return False
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return safe
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def checkDesc(line:list):
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safe = False
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for i in range(0,len(line)-1):
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if line[i] > line[i+1]:
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safe = True
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else:
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return False
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return safe
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def checkJump(line:list):
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safe = False
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for i in range(0,len(line)-1):
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if abs(line[i] - line[i+1]) in [1,2,3]:
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safe = True
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else:
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return False
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return safe
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if part == 1:
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reports = []
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count = 0
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with open(input_f) as file:
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for line in file:
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reports.append(list2int(line.rstrip().split()))
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for r in reports:
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if (checkDesc(r) or checkInc(r)) and checkJump(r):
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count += 1
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print(count)
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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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if part == 2:
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reports = []
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count = 0
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j = 0
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with open(input_f) as file:
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for line in file:
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reports.append(list2int(line.rstrip().split()))
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for rdx,r in enumerate(reports):
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if (checkDesc(r) or checkInc(r)) and checkJump(r):
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count += 1
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else:
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secondSafe = False
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while not secondSafe:
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tmp = r[:j] + r[j + 1:]
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if (checkDesc(tmp) or checkInc(tmp)) and checkJump(tmp):
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count += 1
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secondSafe = True
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if not secondSafe and j > len(tmp)-1:
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break
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j += 1
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j = 0
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secondSafe = False
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print(count)
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