Compilare: main.cpp: In function 'll smart(int, int, std::vector<std::pair<int, int> >)': main.cpp:89:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 89 | for(int i = 0; i < q.size(); i++) | ~~^~~~~~~~~~ main.cpp:92:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | for(int i = 0; i < q.size(); i++) | ~~^~~~~~~~~~ main.cpp:102:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for(int i = 0; i < q.size(); i++){ | ~~^~~~~~~~~~ main.cpp:121:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 121 | for(int h = 0; h < queryend[i].size(); h++){ | ~~^~~~~~~~~~~~~~~~~~~~