1 like 1 dislike
21.2k 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 | 21.2k 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:104.23.243.165
©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
| 16.1k 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
| 21k views
12,783 questions
183,442 answers
172,219 comments
4,824 users