View Compilation Error

0_0_26731740_7967.cpp: In function 'int main()':
0_0_26731740_7967.cpp:88:13: error: 'i' was not declared in this scope
         for(i=0;i<n;i++)
             ^
0_0_26731740_7967.cpp:92:13: error: 'x' was not declared in this scope
         for(x=0;x<n;x++)
             ^
0_0_26731740_7967.cpp:93:13: error: 'y' was not declared in this scope
         for(y=0;y<m;y++)
             ^
0_0_26731740_7967.cpp:99:13: error: 'x' was not declared in this scope
         for(x=0;x<n;x++)
             ^
0_0_26731740_7967.cpp:100:13: error: 'y' was not declared in this scope
         for(y=0;y<m;y++)
             ^