Compilare: main.cpp: In function 'int nrSecv(int, std::vector<unsigned int>)': main.cpp:11:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<unsigned int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | for (int i=0;i<v.size();i++) | ~^~~~~~~~~ main.cpp:14:25: warning: comparison of integer expressions of different signedness: 'std::unordered_map<unsigned int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 14 | while(map.size()>D){ | ~~~~~~~~~~^~ main.cpp: In function 'int main()': main.cpp:30:9: warning: unused variable 'same' [-Wunused-variable] 30 | int same = 0, distinct = 0, sol = 0; | ^~~~ main.cpp:30:19: warning: unused variable 'distinct' [-Wunused-variable] 30 | int same = 0, distinct = 0, sol = 0; | ^~~~~~~~ main.cpp:30:33: warning: unused variable 'sol' [-Wunused-variable] 30 | int same = 0, distinct = 0, sol = 0; | ^~~