Compilare: main.cpp: In function 'int main()': main.cpp:98:25: 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] 98 | for(int i = 0; i<cif.size(); i++) | ~^~~~~~~~~~~ main.cpp:100:18: 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] 100 | if(i == cif.size() - 1) | ~~^~~~~~~~~~~~~~~~~