2 like 0 dislike
16.4k 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 | 16.4k 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:172.71.255.49
©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
| 15.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users