Compilare: main.cpp: In function 'void citireFormareGraf()': main.cpp:20:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0 ; i < graf.size() ; i++ ){ ~~^~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:30:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0 ; i < graf[nod].size() ; i++ ){ ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void brutPartea2()': main.cpp:70:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0 ; i < ans2.size() ; i++ ){ ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:79:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0 ; i < ans1.size() ; i++ ){ ~~^~~~~~~~~~~~~