1 like 1 dislike
22.1k 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 | 22.1k 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:104.23.197.65
©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
| 16.7k 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
| 21.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users