Compilare: main.cpp: In function 'std::pair<double, std::pair<long long int, long long int> > dc(std::vector<std::pair<double, long long int> >&)': main.cpp:54:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<double, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(int i=mid; i<vec.size(); i++){ | ~^~~~~~~~~~~ main.cpp:64:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<double, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(int i=0; i<vec1.size(); i++){ | ~^~~~~~~~~~~~ main.cpp:67:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<double, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for(int i=0; i<vec2.size(); i++){ | ~^~~~~~~~~~~~ main.cpp:71:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<double, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for(int i=0, j=0; i<vv1.size() || j<vv2.size();){ | ~^~~~~~~~~~~ main.cpp:71:40: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<double, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for(int i=0, j=0; i<vv1.size() || j<vv2.size();){ | ~^~~~~~~~~~~ main.cpp:72:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<double, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | if(i==vv1.size()){ | ~^~~~~~~~~~~~ main.cpp:77:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<double, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | if(j==vv2.size()){ | ~^~~~~~~~~~~~ main.cpp:94:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<double, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 94 | for(int i=0; i<vv3.size(); i++){ | ~^~~~~~~~~~~