Compilare: main.cpp: In function 'void bkt(int, int, long long int)': main.cpp:16:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | if (poz == vbase.size() - 1) { | ~~~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:64:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for (i = 0; i < vsol.size(); i++) | ~~^~~~~~~~~~~~~