View Compilation Error

0_0_32664420_32555.cpp: In function 'int main()':
0_0_32664420_32555.cpp:22:14: error: 'i' was not declared in this scope
         for (i=0;i<n;i++) 
              ^
0_0_32664420_32555.cpp:36:18: error: 'i' was not declared in this scope
             for (i =0 ;i< n; i++) 
                  ^
0_0_32664420_32555.cpp:46:14: error: 'i' was not declared in this scope
         for (i =0; i<n ; i++) 
              ^
0_0_32664420_32555.cpp:49:18: error: 'j' was not declared in this scope
             for (j =0 ; j<m ; j++) 
                  ^