Compilare: main.cpp: In function 'void deletes(std::vector<std::pair<int, int> >&, int)': main.cpp:17:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(int i = 0; i < v.size(); i++) | ~~^~~~~~~~~~ main.cpp:31:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for (int i = e; i < v.size();) { | ~~^~~~~~~~~~ main.cpp:33:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | if (2 * i + 1 < v.size() && v[2 * i + 1].first < v[j].first) j = 2 * i + 1; | ~~~~~~~~~~^~~~~~~~~~ main.cpp:34:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | if (2 * i + 2 < v.size() && v[2 * i + 2].first < v[j].first) j = 2 * i + 2; | ~~~~~~~~~~^~~~~~~~~~ main.cpp: In function 'int minim(std::vector<std::pair<int, int> >)': main.cpp:43:22: 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 | for(int i = 1; i < v.size(); i++){ | ~~^~~~~~~~~~