View Compilation Error

1_734_4856_4362.cpp: In function 'int main()':
1_734_4856_4362.cpp:12:8: error: 'N' was not declared in this scope
   cin>>N;
        ^
1_734_4856_4362.cpp:14:17: error: 'n' was not declared in this scope
   for(int i=0;i<n;i++)
                 ^