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