Compilare: main.cpp: In function 'void parse(std::vector<std::pair<pt, long long int> >&)': main.cpp:57:14: 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] 57 | while(ind<vec.size()){ | ~~~^~~~~~~~~~~ main.cpp:63:11: 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] 63 | if(ind<vec.size()){st.pb(mp(vec[ind].ft,ind) ); | ~~~^~~~~~~~~~~ main.cpp:66:21: 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] 66 | for(int i=ind; i<vec.size(); i++){ | ~^~~~~~~~~~~ main.cpp:84:21: 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] 84 | if(M>=st.size()){ | ~^~~~~~~~~~~ main.cpp:104:14: 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] 104 | while(ind<vec.size()){ | ~~~^~~~~~~~~~~ main.cpp:110:11: 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] 110 | if(ind<vec.size()){st.pb(mp(vec[ind].ft,ind) ); | ~~~^~~~~~~~~~~ main.cpp:112:21: 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] 112 | for(int i=ind; i<vec.size(); i++){ | ~^~~~~~~~~~~ main.cpp:131:20: 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] 131 | if(M>=st.size()){ | ~^~~~~~~~~~~ main.cpp:148:19: 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] 148 | for(int i=0; i<vec.size(); i++){ | ~^~~~~~~~~~~