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| Program Gol; {$IFDEF FPC} {$Mode delphi} {$ELSE} {$Apptype Console} {$ENDIF} uses sysutils,crt;
const colMax = 79; rowMax = 23; type tFeld = byte; tRow = array[0..colMax+1] of tFeld; tprow = ^tRow; tBoard = array[0..rowMax+1] of tRow; tpBoard = ^tBoard; tpBoards = array[0..1] of tpBoard; const dr = sizeOf(trow); type tIntArr = array[0..2*dr+2] of tFeld; tpIntArr = ^tIntArr;
var aBoard,bBoard : tBoard; pBoards :tpBoards; gblAktBoard : integer;
gblGenCount : integer;
function Survive(p: tpIntArr):byte; const cSurvives : array[boolean,0..8] of integer= ((0,0,0,1,0,0,0,0,0), (0,0,1,1,0,0,0,0,0)); var sum : integer; begin sum := integer(p[ 0])+integer(p[ 1]) +integer(p[ 2]); sum := sum+ integer(p[ dr+0]) +integer(p[ dr+2]); sum := sum +integer(p[2*dr+0])+integer(p[2*dr+1])+integer(p[2*dr+2]);
survive := cSurvives[p[dr+1]<>0,sum]; end;
procedure Raender; var p0 : tpIntArr; row: integer; begin p0 := @pBoards[gblAktBoard]^[1,0]; For row := 1 to rowMax do begin p0^[0] := p0^[colMax]; p0^[colmax+1] := p0^[1]; p0 := Pointer(PtrUint(p0)+SizeOf(tRow)); end; move(pBoards[gblAktBoard]^[1,0],pBoards[gblAktBoard]^[rowMax+1,0],sizeof(trow)); move(pBoards[gblAktBoard]^[rowMax,0],pBoards[gblAktBoard]^[0,0],sizeof(trow)); end;
procedure NextGen; var p0,p1 : tpIntArr; col,row: integer; begin Raender; For row := 1 to rowMax do begin p0 := @pBoards[gblAktBoard]^[row-1,0]; p1 := @pBoards[1-gblAktBoard]^[row,0]; For col := 1 to colMax do p1[col] := Survive(@p0[col-1]); end; gblAktBoard :=1-gblAktBoard; inc(gblGenCount); end;
procedure PrintGen; const cChar: array[0..1] of char = (' ','#'); var p0 : tpIntArr; col,row: integer; s : string; begin setlength(s,colmax); gotoxy(1,1); writeln(gblGenCount:10); For row := 1 to rowMax do begin p0 := @pBoards[gblAktBoard]^[row,0];; For col := 1 to colMax do s[col] := cChar[p0[col]]; writeln(s); end; end;
procedure Init; var col,row : integer; begin randseed := 1; clrscr; fillchar(aBoard,SizeOf(aBoard),#0); pBoards[0] := @aBoard; pBoards[1] := @bBoard; For row := 1 to rowMax do For col := 1 to colMax do aBoard[row,col]:= Byte(random>0.9); gblAktBoard := 0; end;
var cnt : integer; T1,T0 :TDateTime; begin Init; cnt := 100000; T0 := Time; repeat PrintGen; NextGen; dec(cnt); until (cnt <= 0) OR keypressed; T1 := Time; Writeln((T1-t0)*86400*1000:0:3,' ms'); end. |