|
 |
|
ใครเคยโจทย์แบบนี้บ้างครับ ช่วยคิดlogic เพื่อใช้ไปเขียนเป็นภาษาphp หน่อยครับ เพื่อแสดง ตัวเลข ที่หาร 2 ลงตัว (98, 96, 94, 9,2 ...,0 ) |
|
 |
|
|
 |
 |
|
1 จงเขียนโปรแกรมต่อไปนี้
-เพือแสดง ตัวเลข ที่หารด้วย 5 ลงตัว (5 ,10, 15 ,20, ...,100 ) แบบ while Loop
-เพื่อแสดง ตัวเลข ที่หาร 2 ลงตัว (98, 96, 94, 9,2 ...,0 )แบบ do Loop
- เพื่อแสดง ตัวเลขที่หาร ด้วย 2 ไม่ลงตัว (1,3,5,7 ....101 )แบบ For Loop
2 จงเขียนโปรแกรมแปลงเลขฐาน 10 ให้อยู่ในรูปเลขฐาน 2 ใช้ While
Tag : PHP

|
|
 |
 |
 |
 |
Date :
2011-07-06 14:44:28 |
By :
ckcr |
View :
3926 |
Reply :
8 |
|
 |
 |
 |
 |
|
|
|
 |
 |
|
 |
 |
 |
|
|
 |
 |
|
คับ ไม่ยากนะ ลองหัดคิดทำเองดู ติดตรงไหน ลองโพสมาคับ
ลอจิ8แรก ก็ทำเหมือนคิดปรกติคับ ใช้ % หารเอาเศษดู ถ้ามีเศษ ก็นับ หรือไม่นับ ตามโจทย์
ลอจิคสอง วิธีการเปลี่ยน เลขฐานสิบเป็นสอง คงได้เรียนแล้วนะคับ ก็ใช้ while(true) จนกว่าจะหมดเศษ หรือเศษ 1 ก็ break ครับ
http://www.pjgunner.com
|
ประวัติการแก้ไข 2011-07-06 14:50:53 2011-07-06 14:52:47
 |
 |
 |
 |
Date :
2011-07-06 14:47:01 |
By :
pjgunner.com |
|
 |
 |
 |
 |
|
|
 |
 |
|
 |
 |
 |
|
|
 |
 |
|
ตาม เรบ บนเลยครับ
|
 |
 |
 |
 |
Date :
2011-07-06 14:50:46 |
By :
kasuya191 |
|
 |
 |
 |
 |
|
|
 |
 |
|
 |
 |
 |
|
|
 |
 |
|
ใช้ if ช่วยใช้เปล่า ครับ
แล้ว ให้ เรียง
98,96,94 ลงมาเรื่อยทำได้ด้วยเหรอ
ปกติเคยเหนแต่ น้อยไปมาก
|
 |
 |
 |
 |
Date :
2011-07-06 14:57:20 |
By :
ckcr |
|
 |
 |
 |
 |
|
|
 |
 |
|
 |
 |
 |
|
|
 |
 |
|
จะมากไปน้อย หรือน้อยไปมาก มันก็มีตัวเลขเหมือนกันนั่นแหละคับ แค่ + หรือ -
คับ คือโจทย์แบบนี้ใช้คำสั่งอื่นๆ ก็ได้คับ ตัวบังคับ ก็ให้ใช้ด้วย แต่อย่าใช้ คำสั่งที่แปลง เลขได้เลยเท่านั้น
|
 |
 |
 |
 |
Date :
2011-07-06 15:02:43 |
By :
pjgunner.com |
|
 |
 |
 |
 |
|
|
 |
 |
|
 |
 |
 |
|
|
 |
 |
|
Code (PHP)
<?php
$i=0;
while($i<=5)
{
$a=$i%5;
if($a=0){
echo $i;
}
echo "<br/>";
$i++;
}
?>
แบบนี้ เข้าใจถูกไมครับ แบบมันไม่แสดงผลไรเลยนะ
อีกแบบ
Code (PHP)
<?php
$i=1;
while($i<=20)
{
echo $i*5;
echo "<br/>";
$i++;
}
?>
|
ประวัติการแก้ไข 2011-07-06 15:14:32
 |
 |
 |
 |
Date :
2011-07-06 15:09:00 |
By :
ckcr |
|
 |
 |
 |
 |
|
|
 |
 |
|
 |
 |
 |
|
|
 |
 |
|
ใส่ ++ แสดง ทำไมใส่-- ไม่แสดงไรเลย
Code (PHP)
<?php
for($i=1;$i<=99;$i--){
//if($i%2){
//}else{
echo $i;//}
echo " ";
}
?>
|
 |
 |
 |
 |
Date :
2011-07-06 15:45:11 |
By :
ckcr |
|
 |
 |
 |
 |
|
|
 |
 |
|
 |
 |
 |
|
|
 |
 |
|
1 -1 = 0 ใช่มั้ย
0 - 1 = ?
ไม่ใช่ไม่แสดงคับ แต่มัน วนไม่จบสิ้น
|
 |
 |
 |
 |
Date :
2011-07-06 15:50:10 |
By :
pjgunner.com |
|
 |
 |
 |
 |
|
|
 |
 |
|
 |
 |
 |
|
|
 |
 |
|
ขอบคุณครับ
|
 |
 |
 |
 |
Date :
2011-07-06 16:49:49 |
By :
ckcr |
|
 |
 |
 |
 |
|
|
 |
 |
|
 |
 |
|
|
|

|
Load balance : Server 01
|