Compilare: main.cpp: In member function 'void SegmentTree::build(int, int, int)': main.cpp:76:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int j=0; j<aux.size(); j++) | ~^~~~~~~~~~~ main.cpp:89:53: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 89 | for(int p=aux[j].second+1; p<=min(y,(j+1<aux.size()?aux[j+1].first:inf)); p++) | ~~~^~~~~~~~~~~ main.cpp: In member function 'int SegmentTree::query(int, int)': main.cpp:130:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 130 | for(int i=1; i<nodes.size(); i++) | ~^~~~~~~~~~~~~ main.cpp:154:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 154 | for(int i=0; i<nodes.size(); i++) | ~^~~~~~~~~~~~~ main.cpp:157:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 157 | if(i>0 && i<nodes.size()-1) | ~^~~~~~~~~~~~~~~