1 like 1 dislike
20.8k 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 | 20.8k 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:104.23.197.94
©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
| 15.7k 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
| 20.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users