Compilare: main.cpp: In function 'int main()': main.cpp:63:25: warning: comparison of integer expressions of different signedness: 'short int' and 'std::vector<element>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for (short i = 0; i < v.size(); i++) | ~~^~~~~~~~~~ main.cpp:73:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<element>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for (int i = 0; i < solution.size(); i++) fout<<solution[i].value<<' '; | ~~^~~~~~~~~~~~~~~~~