var i,j:integer; begin for i:=1 to 5 do begin for j:=1 to i do write('*'); writeln; end; end.运算结果是多少

var i,j:integer; begin for i:=1 to 5 do begin for j:=1 to i do write('*'); writeln; end; end.
运算结果是多少

*
**
***
****
*****
中间有换行