1 like 1 dislike
19.7k 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 | 19.7k 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:172.71.120.164
©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
| 15k 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
| 19.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users