View Compilation Error

0_0_21179477_31184.cpp:8:1: error: expected ';' before 'int'
 int n;
 ^
0_0_21179477_31184.cpp: In function 'int main()':
0_0_21179477_31184.cpp:16:7: error: 'i' was not declared in this scope
   rep(i,n)scanf("%s",in[i]);
       ^
0_0_21179477_31184.cpp:16:10: error: 'rep' was not declared in this scope
   rep(i,n)scanf("%s",in[i]);
          ^