PROGRAM CT83;
USES crt;
VAR a,b: INTEGER;
PROCEDURE HoanDoi(VAR x,y: INTEGER);
VAR t: INTEGER;
BEGIN
Writeln(x,' ',y);
t:=y; y:=x; x:=t;
Writeln(x,' ',y);
END;
BEGIN
clrscr;
Write('Nhap 2 so : '); Readln(a,b);
HoanDoi(a,b);
Readln
END.
Download: http://www.mediafire.com/?5su0jurcipax4b4
USES crt;
VAR a,b: INTEGER;
PROCEDURE HoanDoi(VAR x,y: INTEGER);
VAR t: INTEGER;
BEGIN
Writeln(x,' ',y);
t:=y; y:=x; x:=t;
Writeln(x,' ',y);
END;
BEGIN
clrscr;
Write('Nhap 2 so : '); Readln(a,b);
HoanDoi(a,b);
Readln
END.
Download: http://www.mediafire.com/?5su0jurcipax4b4