Compilare: main.cpp: In function 'bool ook(std::vector<long long int>&, std::vector<long long int>&)': main.cpp:8:19: 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] 8 | for(int i=0;i < a.size();i++){ | ~~^~~~~~~~~~ main.cpp:16:23: 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] 16 | for(int i=0;i < a.size();i++){ | ~~^~~~~~~~~~