Compilare: main.cpp: In function 'int main()': main.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | { | ^ main.cpp:27:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | newV.push_back(make_pair(min(v[i].first,v[j].first),max(v[i].second,v[j].second))); | ~^~~~~~~~~~~ main.cpp:43:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | { | ^ main.cpp:60:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | rmq[0][i]=v[i].second-v[i].first+1; | ~^~~~~~~~~ main.cpp:62:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for(int i=0; i<=v.size()-(1<<j); i++) | ~~~~~~^~~~~~~~~~ main.cpp:63:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | rmq[j][i]=max(rmq[j-1][i],rmq[j-1][i+(1<<(j-1))]); | ~^~~~~~~~~~~~~~~~~ main.cpp:86:13: warning: variable 'l' set but not used [-Wunused-but-set-variable] 86 | if(p!=-1 && v[p].first<=y) | ^ main.cpp:86:18: warning: variable 'r' set but not used [-Wunused-but-set-variable] 86 | if(p!=-1 && v[p].first<=y) | ^