View Compilation Error

0_0_18836273_23142.cpp: In function 'int main()':
0_0_18836273_23142.cpp:26:28: error: expected primary-expression before '%' token
                 cur ^= 1;  %0
                            ^
0_0_18836273_23142.cpp:26:29: error: expected '}' at end of input
                 cur ^= 1;  %0
                             ^
0_0_18836273_23142.cpp:26:29: error: expected '}' at end of input
0_0_18836273_23142.cpp:26:29: error: expected '}' at end of input