1 like 1 dislike
22.3k 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 | 22.3k 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
| 16.9k 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
| 22.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users