View Compilation Error

0_0_34118835_18659.cpp: In function 'bool twoSAT(int)':
0_0_34118835_18659.cpp:56:29: error: expected primary-expression before '/' token
                 while(top>0)/
                             ^
0_0_34118835_18659.cpp:59:30: error: expected primary-expression before '/' token
                 if(!dfs(i+1))/
                              ^
0_0_34118835_18659.cpp:60:21: error: expected primary-expression before 'return'
                     return false;
                     ^