pascal输出数字 1 7 2 12 8 3 16 13 9 4 19 17 14 10 5 21 20 18 15

var a:array[1..6,1..6]of integer;
i,j:integer; t:integer;
begin
t:=6;
a[1,1]:=1;
for i:=2 to 6 do
begin
a[i,1]:=a[i,1]+t+a[i-1,1];
t:=t-1;
end;
for i:=2 to 6 do
begin
t:=6-i+1;
for j:=2 to i do
begin
a[i,j]:=a[i,j-1]-t;
t:=t+1;
end;
end;
for i:=1 to 6 do
begin
for j:=1 to i do write(a[i,j],' ');
writeln;
end;
end.