Make a square matrix with this shape. For n=4
M =
1 1 0 0
1 0 1 0
0 1 0 1
0 0 1 1
Determine if a Given Number is a Triangle Number
276 Solvers
168 Solvers
Detect a number and replace with two NaN's
154 Solvers
372 Solvers
309 Solvers