Compilare: main.cpp: In function 'void refa(int)': main.cpp:36:50: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 36 | if (i == n || (curr >= x && grupe.size() < k)) { | ~~~~~~~~~~~~~^~~ main.cpp:49:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for (int i = 0; i < sumeGrupe.size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:52:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for (int i = 0; i < grupe.size(); i++) { | ~~^~~~~~~~~~~~~~