Compilare: user.cpp: In function ‘int afis()’: user.cpp:12:79: warning: no return statement in function returning non-void [-Wreturn-type] inline int afis() { for(int i=1; i<=n; i++) fout << v[i] << ' '; } ^ user.cpp: In function ‘int citire()’: user.cpp:13:81: warning: no return statement in function returning non-void [-Wreturn-type] inline int citire() { fin >> n; for(int i=1; i<=n; i++) fin >> v[i]; } ^ user.cpp: In function ‘int build_heap()’: user.cpp:36:58: warning: no return statement in function returning non-void [-Wreturn-type] int build_heap() { for(int i=n/2; i; i--) go_down(i, n); } ^ user.cpp: In function ‘int heapsort()’: user.cpp:45:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^