Compilare: main.cpp: In function 'int main()': main.cpp:42:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<double, std::pair<double, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(int i=1;i<v.size();i++) | ~^~~~~~~~~ main.cpp:57:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<double, std::pair<double, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for(int i=0;i<s.size();i++) | ~^~~~~~~~~ main.cpp:66:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<double, std::pair<double, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(int i=poz;i<s.size();i++) | ~^~~~~~~~~