View Compilation Error

0_0_36934260_8961.cpp: In function 'void solve()':
0_0_36934260_8961.cpp:46:13: error: 'i' was not declared in this scope
         rep(i,1,N) scanf("%d", &a[i]);
             ^
0_0_36934260_8961.cpp:46:18: error: 'rep' was not declared in this scope
         rep(i,1,N) scanf("%d", &a[i]);
                  ^