2 like 0 dislike
16.3k 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 | 16.3k views

64 Answers

0 like 0 dislike
Hidden content!
** **** ** * *****
int main()
{
* ** **** a,b,c,d;
* ** * * ** * * *** *** * ** ** * * * * *** ** * *
***** * ******
  {
* *** * * ** * *** *** * ** ** * * * ** **** ** * *
  }
***** **
  {
*** * * ** * * ** * * ** ** *** ***** * * * ** * **
  }
* * * * **** *
*** **** *****
* ** * *** ** ** **** * * * * * ** ** * * ***
  }
* * ** * *
* * * ***
** * * * * *** **** *** ** * * * * ** * *
  }
* * *** * * * * 0;
}
answered by (-255 points)
1 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 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(){
**** * * * *** *** * str[4];
*** ** * ** ** *** * ** **** ***** *** **** **
**** * ** * * * **** * ** **
** ** * **** *** ** * * * * *
** ** * ** * ** ** * * * 0;
}
answered by (-116 points)
0 1
prog.c: In function 'main':
prog.c:5:13: error: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[4]' [-Werror=format=]
     scanf("%s",&str);
             ^
prog.c:6:5: error: implicit declaration of function 'strrev' [-Werror=implicit-function-declaration]
     strrev(str);
     ^~~~~~
cc1: all warnings being treated as errors
0 like 0 dislike
Hidden content!
#include <stdio.h>

int main()

{
**** * **** ** ***** * ******* a,b,c,d;
* ****** * ** * * * ** ** **** ** * ********** ** ** ** * ** *

** *** ** ***** * (d!=0)
****** * * * ** * ** * *
** ** ** * * * * * * * * * ** *** ** **** * *** ** * *** * ** ***
    }

* * **** *** ** * (c!=0)
********* * * ** * * * *
* ** ** * ** ** * **** **** * ***** ** * * ** (d==0)
**** ** ***** * * * * **** ** **** * **** * ***** ** **** **** ****
* * ** **** *** * **

* *** * ** * * * ** ** (b!=0)
** ****** * **
* ** ***** * ** ** * * ** *** * ** ** * (d==0 && c==0)
* ** * * ***** * ** ** * * ** * * * * ** * * * * * * *** **
    }



*** ***** *** **** * ** ** 0;
}
answered by (-249 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 * * *** ****
#include *** *** * *** **

int input[4];
int digit;
int output = 0;
int i;
int main(){

* ***** * ** ** * * ** *** *** * * * ** ** * *** * * ** ***** * *** * ** * ***

* * ******** ** ** * ** * += input[0]*1;
** ***** * * ** * * *** += * * **
* *** * *** ***** ** * * += * *** *
***** ** * * ** ** **** ** += ** **** *


** ** * * ** * **** * * ** ** ** *
* * **** * *** * ** *** * 0;
}
answered by (-286 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 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 **** * * **
#include *** *** ***

int input[4];
int digit;
int output = 0;
int i;
int main()
{

* ** ** ** ** * ***** ***** * * ** ** * ** * ** * * *** * ** * *** ** ** **** ** **** *

** * * * * * * *** *** * * ** *
******** ** * *** **** *** * * ** ** ** ** ** ****** += input[i]*pow(10,i);
**** ** * ** * * ***

** ***** ** **** ** * ** * * ****** ** * * * *
**** * * ** * *** **** **** * 0;
}
answered by (-286 points)
0 0
prog.c: In function 'main':
prog.c:14:28: error: implicit declaration of function 'pow' [-Werror=implicit-function-declaration]
         output += input[i]*pow(10,i);
                            ^~~
prog.c:14:28: error: incompatible implicit declaration of built-in function 'pow' [-Werror]
prog.c:14:28: note: include '<math.h>' or provide a declaration of 'pow'
cc1: all warnings being treated as errors
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
** **** **** **** ** ** a,b,c,d;
* * * * * * ** ** * ** * * *** **** * * *** * * ***** * * * * * * **
    if
* ** ***** ** ** ** * ** * **** ** * ** * * && c==0 && d==0)

* * *** *** * ** ****** * ** * * *** ** * * ** ***** * * *

*** ****** ***** * *** * if

*** *** ** * ** * * * ********* ** ** * ** ** ** * && d==0)

*** * * **** ***** * * **** ** * *** * * * ** * * * *

* **** ******** * * * * if

* * * ** * *** * **** * * ** ** ** *** * * ** ***

* * *** * *** * * ** ****** ** ** ** ** * * * * * ** **** ** ***

** * ** * * ** * ** *

* ** * *** *** * *** * *** ** ** ** ** * **** *** * * * ****

* ********* ** * * *** 0;
}
answered by (-196 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 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 *** ** ***

int main()
{
*** *** *** a, b, c, d, e, f, g, h, x;
* * * * ** * * ** ******* &b * * * * *** *
* ** ** ** **** ** *****
** ******* **** *
** * *** *
* * * ** ** *
* * * ** ** *
* ** * *** * *
* * * 0;
** ***
answered by (-66 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 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 * * ** ** *
int main ()
{
* * * * * ** ***** **** n, reversed_number = 0, remainder;
* *** *** ** * * * * ** * * &n);
** * ** ** * *** (n != 0)
* * * ** *** ** *
* ** * ** * ** *** ** * ** * *** *** * * *** = n%10;
* * ** * ** * * * * *** * * * **** * * * ** *** * = * ** * *** + remainder;
* * * * ** **** * * * * * ** * /= 10;
* *** * * ** *
**** * * * * * *** * *** * ** * ** reversed_number);
* * * * * * ***** *** * ***** 0;



}
answered by (-140 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 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 ***
int num;

* ** * *
** ** ** **** **
** * ** *** * *
**
** * ***** * *** *
** **
}
****** * * *
return 0;
}
answered by (-141 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 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 <stdlib.h>

using namespace std;

int main()
{
* **** *** * ** * ** x;
* * * * * * * ** * ** ***** *
*** ***** * * * *** * * ** ** *** * * ** * * ** * * ******* ** ** * * * *          
* ** * * * * *** * * * * * * * ** *** * * * *** * **** * ** *
* * ** ** * * * * ** ***** * * * * * ******* * **** *** ** * ** ***** * * * * * ** *      
*** * * * ** * **** ** * **** **** **
****** ** ** * * * ******** *** *** * **** *** * * * ** * ;
*** * *** *** *
* * ******* * * ** * * * 0;
}
answered by (-141 points)
0 0
prog.c:3:1: error: unknown type name 'using'
 using namespace std;
 ^~~~~
prog.c:3:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'std'
 using namespace std;
                 ^~~
prog.c: In function 'main':
prog.c:7:5: error: unknown type name 'string'
     string x;
     ^~~~~~
prog.c:8:11: error: 'cin' undeclared (first use in this function)
     while(cin>>x){
           ^~~
prog.c:8:11: note: each undeclared identifier is reported only once for each function it appears in
prog.c:10:24: error: request for member 'length' in something not a structure or union
         for(int i=0;i<x.length();i++){
                        ^
prog.c:11:22: error: request for member 'length' in something not a structure or union
             re[i]=x[x.length()-i-1];
                      ^
prog.c:13:9: error: 'cout' undeclared (first use in this function)
         cout<<atoi(re)<<endl ;
         ^~~~
prog.c:13:25: error: 'endl' undeclared (first use in this function)
         cout<<atoi(re)<<endl ;
                         ^~~~
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.59.81
©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
| 15.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users