Pagini recente » Cod sursa (job #165894) | Cod sursa (job #616117) | Cod sursa (job #3277007) | Cod sursa (job #318554) | Cod sursa (job #930518)
Cod sursa(job #930518)
var
v:array[1..500000] of integer;
bufin, bufout:array[1.. 1 shl 17] of char;
n, i, aux:integer;
f, g:text;
procedure qsort (st, dr:longint);
var s, d, m:longint;
begin
s:=st; d:=dr;
m:=st+random(dr-st)+1;
aux:=v[m]; v[m]:=v[st]; v[st]:=aux;
while s<d do
begin
while (v[d]>=aux) and (s<d) do dec (d);
v[s]:=v[d];
while (v[s]<=aux) and (s<d) do inc (s);
v[d]:=v[s];
end;
v[s]:=aux;
if s-st>1 then qsort (st, s-1);
if dr-s>1 then qsort (s+1, dr);
end;
begin
assign (f, 'algsort.in'); settextbuf (f, bufin); reset (f);
assign (g, 'algsort.out'); settextbuf (g, bufout); rewrite (g);
randomize;
read (f, n);
for i:= 1 to n do read (f, v[i]);
qsort (1, n);
for i:= 1 to n do write (g, v[i], ' ');
close (f); close (g);
end.