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31 lines
980 B
Python
31 lines
980 B
Python
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with open("9.txt") as f:
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rows = [list(map(int, x.split())) for x in f.read().splitlines()]
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cnt = 0
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for row in rows:
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mx = max(row)
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row_c = row.copy()
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del row_c[row.index(mx)]
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if mx < sum(row_c):
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f = False
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for i in range(4):
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n = [i]
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for j in range(4):
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if j not in n:
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n = [i, j]
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for c in range(4):
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if c not in n:
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n = [i, j, c]
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for d in range(4):
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if d not in n:
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num1 = row[i]
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num2 = row[j]
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num3 = row[c]
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num4 = row[d]
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if num1 + num2 == num3 + num4:
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f = True
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if f:
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cnt += 1
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print(cnt)
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