Compilare: main.cpp: In function 'int main()': main.cpp:47:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for (i = 0; i < ciclu.size(); ++i) | ~~^~~~~~~~~~~~~~ main.cpp:55:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for (i = 0; i < ans.size()-1; ++i) | ~~^~~~~~~~~~~~~~