View Compilation Error

0_0_21216484_25097.cpp: In function 'int main()':
0_0_21216484_25097.cpp:84:8: error: 'j' was not declared in this scope
    m = j;
        ^
0_0_21216484_25097.cpp:94:7: error: 'i' was not declared in this scope
   for(i = 0;i < n;++i)   
       ^