Compilare: main.cpp: In function 'bool ook(std::vector<long long int>&, std::vector<long long int>&)': main.cpp:17:23: 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] 17 | for(int i=0;i < a.size();i++){ | ~~^~~~~~~~~~ main.cpp:18:25: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 18 | if(b.size() > i && b[i] > 0)a[i]=1; | ~~~~~~~~~^~~