1 like 1 dislike
15.3k 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 | 15.3k 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:172.70.194.139
©2016-2025

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
| 11.7k 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
| 16.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users