Compilare: main.cpp: In function 'void cautare_graf(int, int)': main.cpp:21:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(mn>sol.size()) ~~^~~~~~~~~~~ main.cpp:25:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<=sol.size()-1;i++) ~^~~~~~~~~~~~~~ main.cpp:27:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] }else if(mn==sol.size()) ~~^~~~~~~~~~~~ main.cpp:30:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<=sol.size()-1;i++) ~^~~~~~~~~~~~~~ main.cpp:35:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<=vec[x].size()-1;i++) ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:67:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<=sol_f.size()-1;i++) ~^~~~~~~~~~~~~~~~ main.cpp:61:9: warning: unused variable 'c' [-Wunused-variable] int c=0; ^