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:172.69.130.70
©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