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: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
| 16.3k 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