Compilare: main.cpp: In function 'void dfs2(int, int)': main.cpp:61:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<L[k].size();j++) ~^~~~~~~~~~~~ main.cpp: In function 'void afisare()': main.cpp:82:1: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=nrc;i++) ^~~ main.cpp:86:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<nr<<endl; ^ main.cpp:88:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] {for(j=0;j<C[i].size();j++) ~^~~~~~~~~~~~