1 like 1 dislike
21.7k 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 | 21.7k 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:162.159.115.9
©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
| 16.3k 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
| 21.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users