Compilare: main.cpp: In function 'bool find(int, int)': main.cpp:328:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 328 | for (int i = 0; i < h[ind].size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:438:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 438 | for (int i = 0; i < v.size(); i++) | ~~^~~~~~~~~~