View Compilation Error

0_0_17680478_4395.cpp:27:0: error: unterminated argument list invoking macro "rep"
             if(x2<=3) rep(i,1
 ^
0_0_17680478_4395.cpp:7:7: error: 'N' was not declared in this scope
 int a[N];
       ^
0_0_17680478_4395.cpp: In function 'int main()':
0_0_17680478_4395.cpp:17:16: error: 'a' was not declared in this scope
         memset(a, 0, sizeof a);
                ^
0_0_17680478_4395.cpp:27:23: error: 'rep' was not declared in this scope
             if(x2<=3) rep(i,1
                       ^
0_0_17680478_4395.cpp:27:23: error: expected '}' at end of input
0_0_17680478_4395.cpp:27:23: error: expected '}' at end of input
0_0_17680478_4395.cpp:27:23: error: expected '}' at end of input