Compilare: main.cpp: In function 'void printGraph()': main.cpp:112:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 112 | for (int i = 0; i < edges.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:114:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 114 | for (int j = 0; j < edges[i].size(); j++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:173:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 173 | for (int i = 0; i < dist.size(); i++) { | ~~^~~~~~~~~~~~~