1 like 1 dislike
24.1k 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 | 24.1k 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
| 18.3k 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
| 23.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users