Update and rename Magic Square to Magic Square.cpp

I have done your work @christian Bender. Kindly check it.

Author: Ankit2598

math/Magic Square renamed to math/Magic Square.cpp

@@ -1,4 +1,4 @@
-#include <bits/stdc++.h>
+#include <iostream>
 
 #define N 3
 using namespace std;
@@ -41,9 +41,13 @@ bool isMagicSquare(int mat[][N])
 
 int main()
 {
- int mat[][N] = {{ 2, 7, 6 },
- { 9, 5, 1 },
- { 4, 3, 8 }};
+ int mat[3][N] ,i,j;
+ 
+ for(i=0; i<3; i++)
+ {
+ for(j=0; j<3; j++)
+ cin>>mat[i][j];
+ }
 
  if (isMagicSquare(mat))
  cout << "Magic Square";