Compilare: user.cpp: In function ‘int dfs(int)’: user.cpp:53:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void citire()’: user.cpp:21:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&n); ^ user.cpp:22:48: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i=1;i<=n;i++) fscanf(in,"%d",&v[i]); ^ user.cpp:25:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d",&a,&b); ^ user.cpp: In function ‘int cauttata()’: user.cpp:57:1: warning: control reaches end of non-void function [-Wreturn-type] } ^