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why the range(4)? I think it should be the range(len(a)-2) in order to satisfy any size...
The problem specifies the matrix is always 6x6
Because our array is of 6x6. when we run arr[i][j+2] In j+2=5(When loop run second last time (3+2=5)) which valid . This is the reason.
2D Array - DS
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why the range(4)? I think it should be the range(len(a)-2) in order to satisfy any size...
The problem specifies the matrix is always 6x6
Because our array is of 6x6. when we run arr[i][j+2] In j+2=5(When loop run second last time (3+2=5)) which valid . This is the reason.
Because our array is of 6x6. when we run arr[i][j+2] In j+2=5(When loop run second last time (3+2=5)) which valid . This is the reason.