View Compilation Error

0_0_26033031_21640.cpp: In function 'int main()':
0_0_26033031_21640.cpp:24:7: error: 'i' was not declared in this scope
   for(i=0;i<n;i++)
       ^
0_0_26033031_21640.cpp:28:7: error: 'i' was not declared in this scope
   for(i=0;i<n;i++)
       ^