Compilare: main.cpp: In function 'void topSort()': main.cpp:92:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | for(int i=0; i<st.size(); ++i) | ~^~~~~~~~~~ main.cpp: In function 'void RMQ()': main.cpp:159:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 159 | for(int i=0; i<eulerTour.size(); ++i) | ~^~~~~~~~~~~~~~~~~ main.cpp:162:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 162 | for(int j=1; (1<<j)<eulerTour.size(); ++j) | ~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:163:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 163 | for(int i=0; i+(1<<j)-1<eulerTour.size(); ++i) | ~~~~~~~~~~^~~~~~~~~~~~~~~~~