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  1. Prepare
  2. Algorithms
  3. Warmup
  4. Diagonal Difference
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Diagonal Difference

  • marttidumangeng
     + 3 comments

    try this

    #!/bin/python

import sys

n = int(raw_input().strip())
dSumLeft  = 0
dSumRight  = 0
for i in range(n):
    matrixRow = map(int,raw_input().strip().split(' '))
    dSumLeft += int(matrixRow[i])
    dSumRight += int(matrixRow[n-i-1])
print abs(dSumLeft - dSumRight)