1 like 1 dislike
24.3k 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 | 24.3k 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:104.23.243.108
©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
| 18.4k 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
| 23.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users