Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:17:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<adj[nod].size();i++) ~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:32:27: warning: format '%i' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=] scanf("%i %i",&n,&tots); ^ main.cpp:36:31: warning: format '%i' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=] scanf("%i %i",&a,&v[i]); ^ main.cpp:40:20: warning: format '%i' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=] printf("%i",ans); ^ main.cpp:29:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("arbore3.in","r",stdin); ^ main.cpp:30:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("arbore3.out","w",stdout); ^ main.cpp:32:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%i %i",&n,&tots); ^ main.cpp:36:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%i %i",&a,&v[i]); ^