1 like 1 dislike
23.2k 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 | 23.2k 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:104.23.197.95
©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
| 17.6k 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
| 22.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users