38 lines
854 B
Python
38 lines
854 B
Python
#! /usr/bin/env python3
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def check_increase(number):
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num = str(number)
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for i in range(len(num) - 1):
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if num[i+1] < num[i]:
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return False
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return True
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def check_adjacent(number):
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num = str(number)
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for digit in num:
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count = num.count(digit)
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if count == 2: # Part one : <= 2
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return True
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return False
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def tests():
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assert check_increase(123456) == True
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assert check_increase(123454) == False
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assert check_adjacent(112345) == True
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assert check_adjacent(123445) == True
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assert check_adjacent(123456) == False
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def main(start, end):
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matches = 0
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for n in range(start, end + 1):
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if check_increase(n) and check_adjacent(n):
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matches += 1
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return matches
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if __name__ == "__main__":
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tests()
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print("Matches : ", main(367479, 893698))
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