1 like 1 dislike
19.6k views

Write a program that reads an integer (1-4 digits) and displays the number of its digits and their sum. For example, if the number is 1234, the program should display 4 and 10

寫一個輸入四位整數 輸出數字的位數和位數的總和。例如,數字是1234程式會輸出4和10。

More information about Loops here.

 

Example input:

1234

Example output:

4 10

 

Example input 2:

245

Example output:

3 11

 

[Exercise] Coding (C) - asked in Chapter 6: Loops by (5.2k points)
ID: 28914 - Available when: 2017-10-26 18:00 - Due to: Unlimited

edited by | 19.6k views

85 Answers

0 like 0 dislike
Hidden content!
#include ** * ** ****
int ** ***
{
* ** *** * ** int n; //n=1234
* * * int *
** ** *** int i=1;
* ** * ** * * ***** ** *
* * *   a=n/1000; * * *
* * * * * *** * ** * * *
* * * *** * * * ** * ***** * *
***** * ** * * ***** ** **
*** * ***** ** * * *
** * ** **
* * * *
** ** ** ***

**** * * * * * *
** * ** * {
********* ***** n=n/10;
* * ***   i++;
** * **** ***** ** }
* ** * * * * **** * ***** * *
***** *** return 0;
** * *****
** *
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
*** * ** * * * * * * * ** n,d1,d2,d3,d4;
******* * * ** * * * count = 0, sum;
******* *** ***** * * *** *
* * ***** *** * * ** ** * * * ** * &n);
****** *** * ** * * * **
*** * * * * * * *
* * * * ** * **** ****
* * * ** *** * ******* *** * ****
* ** * * ** *** * **** ***
**** ** * ** ***** * *****
*** * ** *** * ****
*** ** ** * ** ** *
** * * * ** *** ** ** * * * ** * ******* **
   }
* * ** * * * *** * *** *
* ** * ** * * ** *** *** (d2!=0){
* * * * ** ****** * * * ** ** * ******** **
****** * * * * * * *
***** * * * ***** **** (d3!=0){
* ** * * ** ** * ** * ** **
* * * ****** *** ** *
**** ***** * **** *** * * *
** ** * * **** * ** * ** * ** ** * * *
* *** * * **** ** * * ****
    
* * * * * * * * * = d1+d2+d3+d4;
** ** ** * * ***** * * * * %d", count, sum);
    
* ** * * ** ** * ** *** * 0;
}
answered by (323 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>

int main()
{
  
*** * ** * * * * num;
* * * ** * ** ** *** num1;
* ** * ** * * ******* num2;
*** ****** ** * * * * ** num3;
* * *** ****** *** ** num4;
* * ** ** ** ** * ** sum;
    
*** ** ** **** * **** * * *** ***** **** &num);
    
  
*** * ** * ** * ** ((num/1000)>0)
    {
** *** *** ** ** *** ** * * * * *** * * *** * ");
* ** * * * *** ** * * * *** *
***** * ** ** ** * * ** * ** * * * * *** ** ****** * * **
** * * * *** * * *** ** * *** * ** * *** * *** **** **** ***
* * **** ** * ** ** *** * * * * * ** * * *
**** ***** * * ** ** ** * ** *** ** *** *
* * ** * * *** ** * * ***** ***** *** * **** *
** **** ** ** ** *** ****** ** * ****** *****
** * ** *** ** * **** ** * ** * * * * ********
** * * *** ** * **** * *** ** * **** * * ** ** * * *
    }
    
** **** ** ***** * ** if ((num/100)>0)
    {
* **** *** * **** ** **** * * ** ** * ** *** *** ** ");
********* ** * * ** *** * * * * *** ***** * *
*** * * **** ***** * * ** **** * * * * *** * ***** * *
*** * * *** * ** *** **** * ****** * **** * *
** ***** ** * ** *** * ** * *** * ** ***
* * * ***** **** **** * * **** * * * **
* * * * *** * * ********* ** ***** ***** * *
*** * * * ***** * * ** * * **
** * * * * * * * ** ** ** * * * ** ** ** ******** * *** ***** *
    }
    
* ** * ** * * * ** if ((num/10)>0)
    {
**** * *** * * ** * ** * * *** ** * * * ** ** * ** ");
* * **** ** **** * **** * ***** ******** ** *** * *
* ******* * ** * * * ** * **** * * ** ** * *** **** ***
* ** ** * *** * * * ** *** * * * * * * * *** ** ** * ** **
** * ** * * ******** * * * * ** **** *** * ** **
***** *** ** * **** * * * ** ** ******* * **
**** ** * **** * * ** * *** * * * *** *
** ** * *** * ** * ** * * * ** ** * ****** * ** ***** *
    }
    
** ** * * * * ** * if ((num/1)>0)
    {
* *** ** * ** * * * *** * *** * * * * *** * ");
* *** * *** * * ******* ** * ** * *
* * *** ***** * * * * ** * * **** *** ** **
*** *** * * ************* * ***** * ** **
* * ** ******* *** * ** * * * * ** ******** * ** * **
** * * * * * ** ** ** * **** * * ** * * * * * * ***
*** * * **** ** * ** * **** * * *** ***** * ** * *
    }
    
* ** * * * **** * ** * * ** 0;
}
answered by (-193 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{
**** * ** ***** ** * * a,i,j,k,l,m,n;
**** * ** * * * * ** * ** * * *** *
**** *** ***** * ** * ** ** * *** **
** * * * * * ** i/1000 ;
*** *** ** * * ***** * * ** ***** ;
* * ***** * * *** ** **** * * ;
* * * *** * * * ****** ;
* ** *** ** ** ** * *** **
** * ******** **** *** *
* ** * * ** ****** ** **** * **
* * **** ** * * * ** *** * * * **
*** * * * * * **
* ** ** * ***** * ** * *** ** %d",a,n);
}
answered by (-32 points)
edited by
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
**** * ******* ** * ***** * a,sum,b;
****** ** ***** * ** ** ** * *** ** * * ******
** * * ** * * ** * * **** ** * **
** *** ** * * * ***** *
* * * **** * * ** **** * * * *** * * **
** **** ** *** ** * * ** * ** * *
** *** ** * * **** **** * *** ** *
* ****** *** * * ** if(a<=99&&a>9)
*** * * *** * ******* ** * ** ******** ** *** **** * ** * **
** * *** ** * ** *** ****
* * * * * * * *** *** ****** * * * ** * * **
*** ** ** * * * ** * * *** * * %d",b,sum);
***** *** * * ** * ***** 0;
}
answered by (-258 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 0
can you replace 4 if statements with just 1 loop?
0 like 0 dislike
Hidden content!
#include<stdio.h>

int main(){

*** ** ** ****** * *** ** a,b,c,d,e,f,g;
* * * * *** *** * *
* ** * ** ** * ****
****** ** ** *** * ** **
* *** ** * * ** * ** ** *
* *** * ** ** *** * ****** ****
* * * **** * * * * * ** ****
**** ** * * * * **


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


* **** ** *** * *** * * * %d",b,g);

return 0;

}
answered by (-301 points)
0 0
prog.c: In function 'main':
prog.c:6:6: error: statement with no effect [-Werror=unused-value]
     b==0;
     ~^~~
cc1: all warnings being treated as errors
0 like 0 dislike
Hidden content!
#include <stdio.h>

int main()
{
* *** ** ** * ** ***** a=0,b,sum=0,i=10;
** * ** ** ***** * ** * * * **

* ********** * ** ** ** * *
* * *** *** * *** ***
*** **** *** ** *
** ** *** * * * * * ***
** ** ** * * * * ** * *
* *** * ** ** * * ** * * *** %d\n",b,sum);
*** ** *** * ** ** *

* * * ** * ** * *** * * ** * * * * %d",a,sum);
** * * **** ** ******** 0;
}
answered by (54 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>

int main()
{
* * * * ** ** * * a=0,b,sum=0,i=10;
** * ** * * * * * * * * ***** *** * * ***
* ** * **** * * ** *

** *** * ** * * *** * *
*** ** ***** * ** *** **
* * * * **** ***** ** * * ** *
*** * * *** ** **** * * ***
* ***** * ** * * * *
** * *** * *** * * * ** ***** * %d\n",b,sum);
**** **** * * * ** ** *

** *** * * * * * * * * ******* %d",a,sum);
* *** ** ********* ** * * 0;
}
answered by (54 points)
0 0
prog.c: In function 'main':
prog.c:7:5: error: 'g' undeclared (first use in this function)
     g=b;
     ^
prog.c:7:5: note: each undeclared identifier is reported only once for each function it appears in
0 like 0 dislike
Hidden content!
#include <stdio.h>

int main()
{
** *** * * * * * ** a=0,b,sum=0,i=10;
* *** ** ** *** ** * * ****** * * * **
* * ****** ** *****

*** ** * *** * ** * ****
*** ** ** **** ** *
** * * * ** * ** *
* * *** ** **** *** ***** *
** * * *** * * * *** ** * **
*** ** * * ** *** * ** *** * %d\n",b,sum);
* ** ** ** * * **

*** *** * * *** ** ****** * %d",a,sum);
** *** * * ***** ** 0;
}
answered by (54 points)
0 0
prog.c: In function 'main':
prog.c:7:5: error: 'g' undeclared (first use in this function)
     g=b;
     ^
prog.c:7:5: note: each undeclared identifier is reported only once for each function it appears in
0 like 0 dislike
Hidden content!
#include <stdio.h>

int main()
{
* ** *** ** ** *** *** * a=0,b,g,sum=0,i=10;
* *** * **** *** *** * * * * * *** ** ** *** **
*** ** * * * ** * * * **

*** * ***** *** * ** ** *** * *
* * * * ** * * ****
* ** **** ** *
**** * * * ** * ** ** * ***
** * * * * * * ** *
* * ** ***** * ** *** * **** * %d\n",b,sum);
* ** * ****

** * ****** ** ** * ** * ** %d",a,sum);
* * ** * **** ** * * *** 0;
}
answered by (54 points)
0 0
prog.c: In function 'main':
prog.c:5:15: error: variable 'g' set but not used [-Werror=unused-but-set-variable]
     int a=0,b,g,sum=0,i=10;
               ^
cc1: all warnings being treated as errors
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.71.120.163
©2016-2026

Related questions

0 like 0 dislike
69 answers
[Exercise] Coding (C) - asked Oct 26, 2017 in Chapter 6: Loops by semicolon (5.2k points)
ID: 28913 - Available when: 2017-10-26 18:00 - Due to: Unlimited
| 14.9k views
2 like 0 dislike
64 answers
[Exercise] Coding (C) - asked Oct 19, 2017 in Chapter 4: Expressions by thopd (12.1k points)
ID: 27669 - Available when: Unlimited - Due to: Unlimited
| 19.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users