Compilare: main.cpp: In function 'void parse(std::vector<std::pair<pt, long long int> >&)': main.cpp:58:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<pt, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | while(ind<vec.size()){ | ~~~^~~~~~~~~~~ main.cpp:64:11: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<pt, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | if(ind<vec.size()){st.pb(mp(vec[ind].ft,ind) ); | ~~~^~~~~~~~~~~ main.cpp:67:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<pt, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for(int i=ind; i<vec.size(); i++){ | ~^~~~~~~~~~~ main.cpp:85:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<pt, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 85 | if(M>=st.size()){ | ~^~~~~~~~~~~ main.cpp:105:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<pt, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | while(ind<vec.size()){ | ~~~^~~~~~~~~~~ main.cpp:111:11: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<pt, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 111 | if(ind<vec.size()){st.pb(mp(vec[ind].ft,ind) ); | ~~~^~~~~~~~~~~ main.cpp:113:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<pt, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 113 | for(int i=ind; i<vec.size(); i++){ | ~^~~~~~~~~~~ main.cpp:132:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<pt, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 132 | if(M>=st.size()){ | ~^~~~~~~~~~~ main.cpp:149:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<pt, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 149 | for(int i=0; i<vec.size(); i++){ | ~^~~~~~~~~~~