代码:
program Project1;
{$APPTYPE CONSOLE}
uses
SysUtils;
var Num :Array of Array of Integer;
i,ii,p,x :Integer;
begin
Write('请输入杨辉三角的行数:');
Readln(x);
SetLength(Num,x+1,x+1);
Num[0,0] :=1;
Num[1,1] :=1;
p :=0;
for i :=x downto 1 do
begin
inc(p);
for ii :=x downto p do
Write(' ');
for ii :=x downto i do
begin
Num[p,x-ii+1] :=Num[p-1,x-ii+1]+Num[p-1,x-ii+1-1];
Write(Num[p,x-ii+1]:5);
end;
Writeln;
end;
//Over
Readln;
end.
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