Compilare: main.cpp: In function 'void dfs(int)': main.cpp:25:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[nod].size();j++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void dfs2(int)': main.cpp:49:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[nod].size();j++) ~^~~~~~~~~~~~~~ main.cpp:65:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0;k<q.size();k++) ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:86:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(viz2[i]==c) ^~ main.cpp:89:10: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' out<<h.size()<<"\n"; ^~~ main.cpp:90:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<h.size();j++) ~^~~~~~~~~ main.cpp:84:9: warning: unused variable 'Min' [-Wunused-variable] int Min=INT_MAX; ^~~