1 like 1 dislike
21.7k 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 | 21.7k views

85 Answers

0 like 0 dislike
Hidden content!
**** * ** ** * * *
int main ** * *
{
int ** **
* *** * * * * *** * *
** (a != 0){
*** ** *** * * **** * += a%10;
* * *** * ** * * * /= 10;
* *** ******* * ***

}

** **** *** * *** **
* * 0;
}
answered by (-255 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, a2, b1, b2, b3, b4, i, sum;
**** * ** ** ** *** ** *
** *** * * ** * * ** * ** * * ** * &a);
*** *** * ** **** * **** **
** **** *** * * ** * ** {
***** **** **** * * * **** **** * *** * * * * *** *
** **** * * ** *** ** * *** *** * * ***** ***** * break;
* ** ** * * ***** ** * * * * * **
    }
* * * ******** * *** * *** *** ", i);

** * *** * * {
*** *** * * ** * **** * *** * * * * * * **** *
**** * ** ** ** ** **** * ** * *** * * * * *** *
** * ******* ** ***** * * * *** **** * ** ** * * * * * **
* * ** * ******* *** ** ** * * *** ** * * *****
    }
* *** * ** ** *** * ** * if(i==3) {
** * * ** * * *** ***** ***** *** *** * * ** **
* ** * ** * * * * * **** *** * * ** *** * * ****
** ****** ** * ** * * **** * ******* ** * ***
    }
* * ****** ** * * * *** if(i==2) {
* ********** ******* * * * ** * ** * * * * * * ** * *
** ***** **** * * ***** **** * *** ****** * **** ***
    }
** *** * **** * * * * *** if(i==1) {
* ****** ** * * * *** ** * * *** ** * * ** *
    }
*** *** * * ** * * ** ****
* * *** *** *** * **** * * *** %d %d %d", b4, b3, b2, b1);
* * * ** ** * ** ** * ***** sum);
}
answered by (-108 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 only 1 loop?
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
**** * ** *** * *** * a,b,c,d,e,f;
****** * ** * * *** * * * %1d %1d * ** * * * * *** * *** ** * * ** ****
* * *** ** * ** *** * **** (a==0 && b==0 && c==0)
******* ***** *** *** *
** ** * **** * * * * *
* * ** * ** * *
**** * * ** * *** if(a==0 && b==0)
* * * ** * ***** ******
* * ** ** ** * ** * *** * * * * *** * **
*** **** ** * ****** * **
* * ** * *** * ***** * if(a==0 && b==0)
* *** * ** **** ***
*** ** * * ** * ** * ***** * * *** * * **
* * * * ***** **** **
*** *** *** * ******
**** * * * * *
* *** * * * * * * * * * * ** * ******** **
* ***** ** * * ** * *
****** * * *** ******** *** *
** * * * *** * **** * * *** * %d",f,e);
***** * ** **** ** * * * ** * 0;
}
answered by (-229 points)
0 0
Case 0: Correct output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 0
what if a == 0 && c == 0 && d == 0
or b == 0 && c == 0 && d == 0
it will all print f = 4
0 like 0 dislike
Hidden content!
int main() {
    int a, a2, b1, b2, b3, b4, i, sum;
** ** * * * ** * ******* *
* * * *** ** * ** *** *** ** &a);
* ** * ** * * * * ** * *
** * **** ** * * ** ***** * {
** ** *** ** * * ** ******* ** * *** * * * *
** * * **** **** * ** * ** ***** ****** * ** break;
* ** ** *** * * * * * * ** * * * ** * *
    }
** * ** ** * * * * ** ", i);

*** ** ** * * * * {
* *** ** * **** *** *** * **** ** *** * ** ****
*** *** * * * ** **** ** **** * * **** * * * * *** *** *
* ** * * * ** * ** * * ** ** ** ** ** ****** ***** *
* **** ** * ** * ** ** **** * *** * ** ** * * ***** ** * ***
    }
* * ** * ** ******* * * * * if(i==3) {
**** * *** ****** * * * *** * ***** **
* * * * * ****** * *** ****** ** *** ***** **** **
* ** * * * ** * * * * * *** * ** ** ** * * ** * ** * ***
    }
* **** * * *** **** ** if(i==2) {
**** * *** * * * * * * * ** *** * ** * *** * *
* *** * * * ** * ** * *** * * * * * **** *** ** *
    }
* *** * * * ** * * * ** ** if(i==1) {
* *********** *** ***** * * * ** ** ** * *** * * *
    }
** ** * * * * *** *** ***
** * *** ****** ** ** * *** ** * ** %d %d %d", b4, b3, b2, b1);
** * *** * *** ** * ** * * * ** ** *** sum);
}
answered by (-108 points)
0 0
prog.c: In function 'main':
prog.c:4:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration]
     scanf("%d", &a);
     ^~~~~
prog.c:4:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror]
prog.c:4:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
prog.c:11:5: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration]
     printf("%d ", i);
     ^~~~~~
prog.c:11:5: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
prog.c:11:5: note: include '<stdio.h>' or provide a declaration of 'printf'
cc1: all warnings being treated as errors
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
***** * * ** *** * * **** a,b,i,max;
* **** ** ** ****** * * *** %d",&a,&b);
* ** ***** **** * *** * ***** * * ** ** * * *
*** * * ** *** * * * *****
* ** ** * * * ** **** * * * ****** ****** ** *** * ** *
* * **** ** *** * * ***** *** *** * * ** *
* ** ** ** ** * * *
** ***** * * *** * * * * *** * ******** ** ** *
**** ** ** *** * * * ** 0;
}
answered by (-284 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main(){
**** ** * * ** * * *** i;
** * * * ** * * * * sum=0,counter=0;
** * **** *** ** * **** ** ***** ** * ** * * * *** ){
** * **** ** * * ** * ** ** ** ***** * *****
* * * * * * * * ** ** *** ** *
** ***** * ** * **
**** * * ** * * *** * * **** * ** %d",counter,sum);
* * ** ** * * * ** * * 0;
}
answered by (-116 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main (void)
{int sum,d,c,i,m;
* * * * * ****** * ****** ***** * ***** *
* ** ** * *** *** ****** * *
* ** **** * * ******* * ** *
    {
* * * *** * ** **** * *** * * * * *
****** *** * * ** * ******* *** * ******** ****
*** ** ** *** * * * * ** * ** * *
** * * ** ** * ***** **** * *** * * * * * *
* ** ** * ** ** ** * * * *** * *** * ******* * ****** * *
    }
*** *** ** * * ** * * * * *** *
* * * *** *** * *** * * * * ** * * %d",i+1,sum);
* * * * * * * ** 0;
}
answered by (-168 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
1 like 0 dislike
Hidden content!
#include<stdio.h>

int main() {
* * ** * * * * *** * * a, a2, b1, b2, b3, b4, i, sum;
* *** *** * * * ***** *** *
* * ****** *** * **** * ** * ** ***** &a);
** * * * ** *** ** *
** * * * * *** ** * * *** ** *** {
* ***** **** * *** ***** * *** *** **** *** ***** * **
** * *** * * ** * * * ***** *** *** * **** break;
* * * * ** * ** * * ** * * **** ***
    }
** * ** * * * ** * *** ** *** * ", i);

****** * * *** * * * {
* ** * * *** * **** **** ** *** * **
** * **** ******* * *** * * * * *** *** *** * * ***** ***
**** ** ***** * * * *** ****** * * *** * ** ** *
*** * * * * * * * * * ** ** ** ** * * *** *** * * * *** *** * *
    }
* * ** * *** * ** * * if(i==3) {
* * * ** * * ***** * * * * ** * * * * * ******** *
*** ** ** ** * *** * * * *** ** * * ** * * ** * * ** *** * **
***** * * * * * * *** * *** **** ** ** * *** *
    }
* * ** * * * ** * * * if(i==2) {
* ***** *** ** ** * * ** ** * * *** * * * * ****
* * * *** * **** * ** ** * * *** * *** *** * * * *
    }
* * * ** * * * ** ** * ** * if(i==1) {
* * * * * * ** *** * ** * * **** * *** *
    }
** * ** *** ** *** ** * ***
** ** **** * * * * * * * **** * ****** %d %d %d", b4, b3, b2, b1);
** *** * *** ** * ** *** ** ** ** sum);
}
answered by (-284 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(){
* **** ** * * ** **** ** i;
** * * ** * ** ** sum=0,counter=0;
*** ** * *** * * * ** * ** * *** ** **
**** ** * *** * ** * * {
* ** **** * *** * *** * ****** ** ** * * * * **
**** *** *** * ** * * * *** *** * ** ***** i%10;
* ***** * *** ***** ** * ** **** *** * *
** * **** * * ** * ** * * *

* ** ** ** * *** ** *** *** ****** %d",counter,sum);
****** * * ** ** ** * **** * *** 0;
}
answered by (-116 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!
* * ** * * * * **

int ** * **

int

int **

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

* ** * ** **
a= ****
**
}


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


}
answered by (-336 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:104.23.197.64
©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
| 16.3k 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
| 21.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users