1 like 1 dislike
24.1k 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 | 24.1k 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:104.23.243.108
©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
| 18.3k 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
| 23.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users