Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:12:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<f[nod].size();i++){ ~^~~~~~~~~~~~~~ main.cpp: In function 'void rez(int)': main.cpp:23:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<f[nod].size();i++){ ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:119:9: warning: 'solutie' may be used uninitialized in this function [-Wmaybe-uninitialized] if(i<=solutie){ ^~