2 like 0 dislike
12.6k views

Write a program that input four-digit number, then prints the number with its digits reversed .

寫一個輸入4位數字,反轉輸出這個數字的值

Example input: 

5455

Example output:

5545

Example input: 

5400

Example output:

45
[Exercise] Coding (C) - asked in Chapter 4: Expressions by (12.1k points)
ID: 27669 - Available when: Unlimited - Due to: Unlimited

edited by | 12.6k views

64 Answers

0 like 0 dislike
Hidden content!
#include ** ** * *
int main()
{
* * *** ** *
** ** * * * ***** *** a,r;
** * * * * * * ** ** **** ** * * &a);
* ** ** * * ** * ** ** = (a % 10)*1000;
* ** ****** * * * *** * = r + ((a % 100)/10)*100;
* * * ** **** ** * * ** * = r + ((a % 1000)/100)*10;
* *** * ******** ** * = r + (a/1000);
** ****** * ** ****** * * * * ** * * * r);
*** ***** * ** ** **** **** * 0;
* * * * ******** ***
** * * *** * ** ** * *
** **** ***** *** *
*** * * * ** * ** *****
*** * * * ** * * * * 0;
}
answered by (-168 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
0 like 0 dislike
Hidden content!
#include * ** ** **
int main()
{
* * * * ** * ** ****** n, reversedNumber = 0, remainder;

** ** * ** * ******* ** ** *** an integer: ");
** * *** * * * ** ****** **** * ****** &n);

* * * * * ** *** * * ** != 0)
*** * * * *** * **
* * * ** *** ** ***** ** * ***** * **** *** ** * = n%10;
* ** ** ** *** ** * ** **** * ****** **** = ** **** + remainder;
* *** *** ********* **** * ** ** * * * **** ** *** /= 10;
* ** * *** **** *** *

** *** * * * *** * * * ***** * * * * * * *
return 0;
}
answered by (-167 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main(void)
{
* ***** **** *** * ** * tab[5],i;
*** ** * * ** * * * ** ** ** ***
** ** * ***** *** *
** * *** * * * **** * * ** * *** ***** * ** *** * ** ** ******* * * *** ** *** * *
* * ** ** *** * * ** ***
*** * * * ** * ** **** ** (i=4;i>=0;i--)
    {
* ** ********* * ****** * ** * *** * * ****** * * ** ** * *
** ** ***** * * * * * *
** * **** ****** * 0;
}
answered by (-168 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main(void)
{
* *** ******** * ** *** tab[5],i;
* * * * * ** **** *** ** * **
* * * * *** * *
* ** ** * ** ****** * ** ** ****** **** * * ** **** ** *
******* ***** ****
* ****** * *** *** * * ** (i=4;i>=0;i--)
**** * ** * * * * *
* **** *** * * ****** *** ** *** * ** *** * * ** * * * ",tab[i]);
*** * ** * ** ** * * * *
*** * ** * *** * ***** ** 0;
}
answered by (-168 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
0 like 0 dislike
Hidden content!
#include * * ** ** *
int main()
{
* ** ** *** **** n, reversedNumber = 0, remainder;
******* * **** * * * * * ** *** * * &n);

* *** *** ** * *** * *** * != 0)
** * * *** * *** *
* ** * * *** * ***** * ** ** * * * **** ** = n%10;
* ******* ** ** ** ****** * * ** * ** ** *** = reversedNumber*10 + remainder;
*** * ** * *** *** * * * *** * ** ** /= 10;
**** *** ** * *** *

** * * * * * *** * * ** **** reversedNumber);

** *** **** *** ** ** ** * 0;
}
answered by (-233 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
* * * *** * * a,b,c,d,rev;
* ** * * * * ** * ** ******** * * * * ** * ** * ** * **
*** * ********** ** * * **
* *** ** * ***** * * *** ***
* * *** * * * * 0;
}
answered by (-32 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include **** * * * * *

int main()
{
** * ** *** * ** *** ** ** n, reverse = 0;

***** ***** * * * ** * ** * * ** ** **** &n);

**** * * * * *** (n != 0)
* * ***** **** * ** * *
* * * ** * * * *** ** * ** *** * ** ** * *** = reverse * 10;
* ** * *** ***** * ** * * *** * **** ****** * = reverse + n%10;
* * * *** ** ** ***** *** ** *** * * * ** ** * * * *** * * **** * ** * *** n/10;
* * * ***** * * ***

* * ***** * * * ** ** * * * * * reverse);
** * *** ******* * ***** *** ** 0;
}
answered by (-168 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
0 like 0 dislike
Hidden content!
* *** ******* *
int main(void){
int num;

* * * ** ** ** * **
*** * * * * **** * * *
****** * ** * ****
while(num!=0){ *** *** *
* *** ** *** * * * * ** ** * ** ** * * * *** *** *
num/=10; * * ** * *** *** * *
}
** * ** * ***
return 0;
}
answered by (-32 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main()
{
*** ** **** **** ** a,b,c,d;
* ** * ** * *** ******* * * * * **** * * * * * * * * ** * **
* ** *** * * * *** * (d==0 && c!=0)
* * * * ***** ******** *
* * ** * ***** ** * ** ** ** * * ** * ** * * ** * ****** * * * *** *** * ****
* * * *** * ** **
****** * ** * ****** if (d==0 && c==0 && b!=0)
*** ****** * * * ** ***
** *** ** * ** *** * * * * ** * **** **** ** *
* * * * * * * * *
** **** *** ******* * if (d==0 && c==0 && b==0 && a!=0)
******* ** ******** * ******
*** ** * **** ** ** * ** * ** ** * *** * ** * **** *** * ** ** * **
** * ***** ***** * *
** ***** ** ***** ** *** * if (d==0 && c==0 && b==0 && a==0)
* * ** * * ** * * ****
* * **** * * ** ** * ** * *** * **** **** * * ** *
* * ** * ** * **** * *
* ***** * *** * * * if (d!=0)
* ** ** * *** **
* * * ***** * ** * ** ** * **** ** *** ***** ** * * * **
***** ** * * ******
}
answered by (-214 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main()
{
* *** * **** ** * ** * a,b,c,d;
** *** * * * ****** ** ** ** *** * **** * ** * * * ***** ****
* *********** * * ** * (d==0 && c!=0)
* *** *** **** *****
** **** ** ** * * * ** * * * * * **** * * * * ** * ** ** ** * ***
* * * * ***** ** * *** *
** * * * * ***** ** ** if (d==0 && c==0 && b!=0)
*** *** **** **** **
** ** ** * * ** * * *** * * * ** ** *** *** ** * * *** ** * *
* ** * * * **** ** * *
* **** * *** * if (d==0 && c==0 && b==0 && a!=0)
** * * ** *** ** *** *
** * *** ** * **** ** ** * * ** ** ** ** * ***** * ** ** * **
* *** ** * *** * * *
* *** ****** * ****** ** if (d==0 && c==0 && b==0 && a==0)
************* * ** * ***
*** ** ** ***** ***** * * * ** ** *** * * *** * *********
****** ** ***** *
* ** * * * ** ** *** * if (d!=0)
* *** * **** ** ** * ***
*** * *** *** **** ** *** * * * * * ** * * * ** * * * * *** * **** *
*** ** ********* *** ****
}
answered by (-214 points)
0 0
prog.c: In function 'main':
prog.c:20:16: warning: too many arguments for format [-Wformat-extra-args]
         printf("&1d",a);
                ^~~~~
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.127.120
©2016-2025

Related questions

1 like 1 dislike
85 answers
[Exercise] Coding (C) - asked Oct 26, 2017 in Chapter 6: Loops by semicolon (5.2k points)
ID: 28914 - Available when: 2017-10-26 18:00 - Due to: Unlimited
| 11.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users