View Compilation Error

0_0_23259941_32060.cpp: In function 'void SOLVE()':
0_0_23259941_32060.cpp:210:11: error: 'stc' was not declared in this scope
    if (dp[stc][u] >= INF) continue;
           ^
0_0_23259941_32060.cpp:212:11: error: 'stc' was not declared in this scope
     if (!(stc & (1 << i)) && dis[shop[u]][shop[i]] < INF){
           ^