Compilare: main.cpp: In function 'int main()': main.cpp:46:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for(int i = 0; i < v.size(); i++){ | ~~^~~~~~~~~~ main.cpp:60:30: 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 | for(int i = 0; i < v.size(); i++){ | ~~^~~~~~~~~~ main.cpp:66:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(int i = 0; i < v.size(); i++){ | ~~^~~~~~~~~~ main.cpp:67:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for(int j = 0; j < vL.size(); j++){ | ~~^~~~~~~~~~~ main.cpp:79:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | for(int i = 0; i < v.size(); i++){ | ~~^~~~~~~~~~ main.cpp:81:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for(int j = 0; j < v.size(); j++){ | ~~^~~~~~~~~~ main.cpp:89:26: 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 = 1; i < v.size(); i++){ | ~~^~~~~~~~~~