Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:19:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<nod[x].size(); i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:83:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<muchie.size(); i++) ~^~~~~~~~~~~~~~ main.cpp:84:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i+1; j<muchie.size(); j++) ~^~~~~~~~~~~~~~ main.cpp:85:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=j+1; k<muchie.size(); k++) ~^~~~~~~~~~~~~~