Compilare: main.cpp: In function 'int main()': main.cpp:66:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(int i = 0; i < spectacole.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:79:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | for(int j = 0;j < r.size(); ++j) | ~~^~~~~~~~~~