Given an input x, create a square matrix y of zeros with x rows and x columns.
please recheck your testsuite.ps:may I suggest you finish some problems by yourself before you create one.because this kinda problem had been repeated like hundreds times.we really tired of seeing this.
I fixed the problem in the test suite.
Distance walked 1D
Make one big string out of two smaller strings
Who knows the last digit of pi?
Find a Pythagorean triple
Find Out sum of principal diagonal element of given matrix
Square a Number
Create a Standard Size Vector
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