Compilare: main.cpp: In function 'int pozitie(int)': main.cpp:17:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(i = 0; i < Hash[cod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:130:21: warning: unused variable 'j' [-Wunused-variable] 130 | int n, l, u, i, j; | ^ main.cpp:131:27: warning: unused variable 'cnt' [-Wunused-variable] 131 | long long sol1, sol2, cnt; | ^~~