View Compilation Error

0_0_37817786_29753.cpp: In function 'void Tarjan(int)':
0_0_37817786_29753.cpp:39:7: error: 'lOW' was not declared in this scope
    if(lOW[x]==DFN[x]){
       ^
0_0_37817786_29753.cpp:44:9: error: expected ';' before 'bel'
         bel[tmp]=cnt;
         ^