View Compilation Error

0_0_35410466_29320.cpp: In function 'int main()':
0_0_35410466_29320.cpp:10:7: error: 'i' was not declared in this scope
   for(i=m;i<=n;i++){
       ^
0_0_35410466_29320.cpp:25:3: error: expected ';' before '}' token
   }
   ^