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Cod sursa(job #437336)
program selection_sort;
var n,p:longint;
f,g:text;
x:array of longint;
procedure quick(bal,jobb:longint);
var i,j,kozep,t:longint;
begin
i := bal;
j := jobb;
kozep := x[(i+j) div 2];
while i<=j do begin
while x[i]<kozep do i := i + 1;
while x[j]>kozep do j := j - 1;
if i<=j then begin
t:=x[i];
x[i]:=x[j];
x[j]:=t;
i := i + 1;
j := j - 1;
end;
end;
if bal < j then quick(bal,j);
if i < jobb then quick(i,jobb);
end;
Begin
assign(f,'algsort.in'); reset(f); readln(f,n);
assign(g,'algsort.out'); rewrite(g);
SetLength(x,n);
for p := 0 to Length(x)-1 do
read(f,x[p]);
close(f);
quick(0,n-1);
for p := 0 to Length(x)-1 do
write(g,x[p],' ');
close(g);
End.