Compilare: main.cpp: In function 'void delete_node(int)': main.cpp:52:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for(int i=0; i<rez.size(); i++){ | ~^~~~~~~~~~~ main.cpp:54:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(int j=i; j<rez.size()-1; j++){ | ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:83:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | while(k < rez.size()-1){ | ~~^~~~~~~~~~~~~~