0_0_13805465_4406.cpp: In function 'int main()': 0_0_13805465_4406.cpp:72:7: error: 'i' was not declared in this scope for(i=N;i>0;i--) ^ 0_0_13805465_4406.cpp:78:7: error: 'i' was not declared in this scope for(i=0;i<N;i++) ^