Compilare: main.cpp: In function 'void dj(int)': main.cpp:35:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for(int h=0;h<v[pt].size();++h) | ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:84:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 84 | for(int h=0;h<v[j].size();++h) | ~^~~~~~~~~~~~