Eroare de compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:14:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<g[i].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:36:19: error: ‘x’ was not declared in this scope scanf("%d%d",&x,&y); ^ user.cpp:36:22: error: ‘y’ was not declared in this scope scanf("%d%d",&x,&y); ^ user.cpp:27:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("asmax.in","r",stdin); ^ user.cpp:28:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("asmax.out","w",stdout); ^ user.cpp:30:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d",&n); ^ user.cpp:33:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d",&val[i]); ^