1 like 1 dislike
22.2k 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 | 22.2k 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:104.23.197.95
©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