Merge pull request #779 from ishikasinha-d/matrix-transpose

Create transpose_of_matrix.cpp

Author: smv1999

2D Arrays/transpose_of_matrix.cpp

@@ -0,0 +1,50 @@
+//Write a program to find the transpose of a square matrix of size N*N. The transpose of a matrix is obtained by changing rows to columns and columns to rows.
+
+#include <bits/stdc++.h> 
+using namespace std; 
+
+//Function to find transpose of a matrix.
+void transpose(vector<vector<int> > &matrix, int n)
+{ 
+    for(int i=0; i< n; i++)
+    {
+            
+    for(int j=i; j< n; j++)
+        {
+           swap(matrix[i][j], matrix[j][i]);
+        }  
+    }
+}
+    
+int main() 
+{
+
+int t;
+cin>>t;
+    
+while(t--) 
+{
+    int n;
+    cin>>n;
+    vector<vector<int> > matrix(n); 
+
+    for(int i=0; i<n; i++)
+    {
+        matrix[i].assign(n, 0);
+        for( int j=0; j<n; j++)
+        {
+            cin>>matrix[i][j];
+        }
+    }
+
+    transpose(matrix,n);
+    for (int i = 0; i < n; ++i)
+       { 
+           for (int j = 0; j < n; ++j)
+                cout<<matrix[i][j]<<" ";
+        cout<<endl;
+        }
+}
+return 0;
+
+}