Compilare: main.cpp: In function 'void reset()': main.cpp:13:13: warning: integer overflow in expression [-Woverflow] #define MIN -(1<<31) ^~~~~~~~ main.cpp:28:8: note: in expansion of macro 'MIN' sol = MIN; ^~~ main.cpp: In function 'void DFS(int)': main.cpp:71:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < g[node].size() ; i++){ ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:85:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < roots.size() ; i++){ ~~^~~~~~~~~~~~~~