Compilare: main.cpp: In function 'void printmap(int)': main.cpp:47:25: warning: variable 'it2' set but not used [-Wunused-but-set-variable] map<int,ll>::iterator it2 = mpsum[node].begin(); ^~~ main.cpp: In function 'void dfs(int, int, int)': main.cpp:52:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0;h < g[node].size(); h++){ ~~^~~~~~~~~~~~~~~~ main.cpp:63:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0; h < g[node].size(); h++){ ~~^~~~~~~~~~~~~~~~