Eroare de compilare: main.cpp: In function 'void dfs(int)': main.cpp:30:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int t=0;t<G[i].size();t++) ~^~~~~~~~~~~~ main.cpp: In function 'void dfsgt(int)': main.cpp:42:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int t=0;t<GT[i].size();t++) ~^~~~~~~~~~~~~ main.cpp: In function 'void grade()': main.cpp:53:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int t=0;t<G[i].size();t++) ~^~~~~~~~~~~~ main.cpp:58:58: error: 's' was not declared in this scope if(grad[v[i]].ex==0){grad[v[i]].ex=1;s++;} ^ main.cpp:59:66: error: 's' was not declared in this scope if(grad[v[vecin]].in==0){grad[v[vecin]].in=1;s++;} ^ Non zero exit status: 1