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Discussion of Problem 1005. Stone Pile

why crash(access violation)?
Posted by Rustam 28 Mar 2008 22:24
program p1009;

{$APPTYPE CONSOLE}

uses
  SysUtils;
var n,k:longint;
mas:array [0..25] of longint;
a:array [1..25] of longint;
min:longint;
procedure init;
var i:longint;
begin

 fillchar(mas,sizeof(mas),0);
 fillchar(a,sizeof(a),0);
 read(n);
 for i:=1 to n do
   read(a[i]);
end;
procedure print;
begin
 write(min);
 halt(0);
end;
function sc:longint;
var s1,s2,i:longint;
begin
 s1:=0;
 s2:=0;
 for i:=1 to n do
  if mas[i]=0 then inc(s1,a[i]) else inc(s2,a[i]);
 result:=abs(s1-s2);
end;
procedure generat;
var i,j:longint;
begin
  if mas[0]<>0 then print else
   begin
    j:=n;
    while mas[j]>0 do dec(j);
    mas[j]:=1;
    for i:=j+1 to n do
     mas[i]:=0;
    k:=sc;
    if k<min then min:=k;
    generat;
   end;
end;
begin
 init;
 min:=sc;
 generat;
 print;
end.