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:172.69.59.97
©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