Compilare: main.cpp: In function 'int main()': main.cpp:98:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<event>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 98 | for(i = 0; i < v.size(); i++){ | ~~^~~~~~~~~~ main.cpp:53:21: warning: variable 'q' set but not used [-Wunused-but-set-variable] 53 | int i,j,cnt = 0,q,M = 0; | ^