Compilare: main.cpp: In function 'void dijkstra(int*, int*, int)': main.cpp:43:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | for(int i = 0; i < graf[u].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void print_lant(int, int*)': main.cpp:69:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | for(int i = 0; i < drum.size(); i++) | ~~^~~~~~~~~~~~~