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

  • f_rostamikia
     + 0 comments

    O(n) solution:

    def diagonalDifference(arr):
ROWS = len(arr)
res = 0
for i in range(ROWS):
diff = (arr[i][i] - arr[i][ROWS-1-i])
res += diffreturn abs(res)