Compilare: main.cpp: In function 'void afisare()': main.cpp:67:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for (j = 0; j < v[i].size(); j++) | ~~^~~~~~~~~~~~~ main.cpp: In function 'void Dijkstra(int)': main.cpp:91:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for(int p = 0; p < v[in].size(); p++) | ~~^~~~~~~~~~~~~~