View Compilation Error

0_0_17680513_31384.cpp: In function 'int main()':
0_0_17680513_31384.cpp:36:48: error: expected ';' at end of input
                 if(x1+1==2) rep(j,3,x2-1) a[j]=y2
                                                ^
0_0_17680513_31384.cpp:36:48: error: expected '}' at end of input
0_0_17680513_31384.cpp:36:48: error: expected '}' at end of input
0_0_17680513_31384.cpp:36:48: error: expected '}' at end of input
0_0_17680513_31384.cpp:36:48: error: expected '}' at end of input