Compilare: main.cpp: In function 'long long int setup(long long int, long long int)': main.cpp:19:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<graph[node].size(); i++) { ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dynamic(long long int, long long int)': main.cpp:42:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<graph[node].size(); i++) { ~^~~~~~~~~~~~~~~~~~~