View Compilation Error

0_0_33413584_2301.cpp: In function 'int main()':
0_0_33413584_2301.cpp:15:14: error: 'i' was not declared in this scope
          for(i=0;i<n-1;i++)
              ^
0_0_33413584_2301.cpp:28:14: error: 'i' was not declared in this scope
          for(i=0;i<n;i++)
              ^