Borderou de evaluare (job #836267)

Compilare: main.cpp: In function 'int main()': main.cpp:19:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 19 | for(auto [a, b]:edge){ | ^ main.cpp:31:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(int i=0; i<adj[u].size(); i++){ | ~^~~~~~~~~~~~~~