Compilare: main.cpp: In function 'int main()': main.cpp:83:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<evenimente>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | for(int i = 0;i < events.size();++i){ | ~~^~~~~~~~~~~~~~~ main.cpp:108:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<graf>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | for(int i = 0; i < new_graph.size();++i) | ~~^~~~~~~~~~~~~~~~~~