1 like 1 dislike
19.6k 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 | 19.6k 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:172.70.80.4
©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
| 14.9k 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