View Compilation Error

0_0_16632711_16038.cpp: In function 'int main()':
0_0_16632711_16038.cpp:33:8: error: 'i' was not declared in this scope
   for( i=0;i<n;i++)
        ^
0_0_16632711_16038.cpp:37:7: error: 'i' was not declared in this scope
   for(i=0;i<n;i++)
       ^
0_0_16632711_16038.cpp:45:7: error: 'i' was not declared in this scope
   for(i=0;i<n;i++)
       ^