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:104.23.243.109
©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