Compilare: main.cpp: In function 'void dfs(int)': main.cpp:20:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(int i=0;i<graph[node].size();i++){ | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:29:23: warning: unused variable 'j' [-Wunused-variable] 29 | long long n,m,t,i,j,x,y,dist; | ^