1 like 1 dislike
19.7k 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 | 19.7k 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:172.70.50.60
©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
| 15k 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