2 like 0 dislike
16.2k 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 | 16.2k 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:172.70.126.9
©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
| 15.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users