Compilare: main.cpp: In function 'int main()': main.cpp:37:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int i=0;i< suma_bilet[s-numar.first].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:39:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(int i=0;i< numar.second.size();i++) | ~^~~~~~~~~~~~~~~~~~~~~