fork download 
  1. program ask(input, output);
  2.  
  3. const max=100000;
  4.  
  5. var n, i, j, k, count, c:integer;
  6.     a: array [1..max] of integer;
  7.     fl, flag: boolean;
  8.  
  9. begin
  10. readln(n);
  11. for i:=1 to n do read(a[i]);
  12.  
  13. count:=0;
  14. flag:=false;
  15. j:=0;
  16. k:=0;
  17. while not flag do
  18. begin
  19.    while a[n-j]>0 do j:=j+1;
  20.    while a[k+1]<0 do k:=k+1;
  21.    i:=k+2;
  22.    while i<=n-j do
  23.    begin
  24.       if (a[i-1]>0) and (a[i]<0) then
  25.       begin
  26.          c:=a[i-1];
  27.          a[i-1]:=a[i];
  28.          a[i]:=c;
  29.          count:=count+1;
  30.       end;
  31.    i:=i+1;
  32.    end;
  33.  
  34.    fl:=true;
  35.    i:=k+2;
  36.    while fl and (i<=n-j) do
  37.    begin
  38.       if (a[i-1]>0) and (a[i]<0) then
  39.       begin
  40.          c:=a[i-1];
  41.          a[i-1]:=a[i];
  42.          a[i]:=c;
  43.          count:=count+1;
  44.          fl:=false;
  45.       end;
  46.       i:=i+1;
  47.    end;
  48.    if fl=true then flag:=true;
  49. end;
  50.  
  51. writeln(count);
  52. writeln(a[1]);
  53. writeln(a[n]);
  54. end.
Runtime error #stdin #stdout 0.01s 4504KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/ZKFDl
language:
Pascal (gpc 20070904)
created:
14 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!