View Compilation Error

0_0_30691211_4200.cpp: In function 'int main()':
0_0_30691211_4200.cpp:34:27: error: expected primary-expression before '%' token
         for(int i=0;i<n;i+%2
                           ^
0_0_30691211_4200.cpp:34:28: error: expected ')' at end of input
         for(int i=0;i<n;i+%2
                            ^
0_0_30691211_4200.cpp:34:28: error: expected statement at end of input
0_0_30691211_4200.cpp:34:28: error: expected '}' at end of input
0_0_30691211_4200.cpp:34:28: error: expected '}' at end of input