View Compilation Error

0_0_33320735_20403.cpp: In function 'void dfs(int)':
0_0_33320735_20403.cpp:32:75: error: expected primary-expression before '%' token
             for (int k = 0; k < u[ol[id]].size(); ++k) s[u[ol[id] ][k]]++;%2
                                                                           ^
0_0_33320735_20403.cpp:32:76: error: expected '}' at end of input
             for (int k = 0; k < u[ol[id]].size(); ++k) s[u[ol[id] ][k]]++;%2
                                                                            ^
0_0_33320735_20403.cpp:32:76: error: expected '}' at end of input
0_0_33320735_20403.cpp:32:76: error: expected '}' at end of input