This is where MATLAB based question will be
@Vipresh Gangwal: there is no need to publish test problems. You can click the Unpublish button on the problem's edit page to remove it from public view until it is complete. Also, you can, and should, supply a reference solution and use the "Test reference solution" button on the edit page to ensure that the problem is solvable and properly functioning before it is published.
Swap the first and last columns
Number of 1s in the Binary Representation of a Number
Permute diagonal and antidiagonal
MATLAB Basic: rounding II
NaN (欠損値) が含まれている行を削除しよう
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