10-26 Exercise 2: Displays the number of its digits and their sum

Question

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

 

Answer 1

Hidden content!
#include<stdio.h>
int main(){
*  *     **      *** ** ** i;
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** * ***** * *** **** *****  *** **   *  

*     * ***  *  **   * *  * * *   ***  %d",counter,sum);
   **** *   * * ****   ***  0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

---

-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 2

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#include  **  * *   **  
int main (void)
{
* *   ** ** ***     **** ** n, count, sum, t, remainder;
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*  * *    **   ** * **  

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  **    **    ** *   * *    *    *   *** *** **    *  * = sum + remainder;
* * *** ****  * ***    ***   ** * * *****  ***** * * /= 10;
**  ** *** **   * ** * * * * *   *  * *  *  *  *****    *


*   **   ****** *  ** *    **
        ** *** *    ***  **  *    ***** * * %d", count, sum);
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

---

-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

Answer 3

Hidden content!
#include<stdio.h>
int main(){
****  ** **  **  **** * i;
 *  **  **  * *  ** **   **   sum=0,counter=0;
**  ****  * ***   ** *  * * **  *** ****  * * * * * *  *   * *** * ){
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**  ** **     * * ** *****  **
*  * **** ******** ***  *   * *  *** ** %d",counter,sum);
*** ******        *  *   ** *  0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

Answer 4

Hidden content!
#include<stdio.h>
int main(){
*  *** *   ** **** *     *  *   i;
*  *   **  * *    *   * **** *  sum=0,counter=0
 * *  *** * ** **  ** * *  * * * **    ** **      *         **** ){
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* *****      ***** *  * **  *  ****  *** * **  *    ****  * 
*****    ***   ** *      *
*   * ** ** ** * **   ***  *  ** * ******    %d",counter,sum);
** * * ** * * * * *     *  *   0;
}

Comments

prog.c: In function 'main':
prog.c:5:5: error: expected ',' or ';' before 'while'
     while( scanf("%1d",&i)!=EOF ){
     ^~~~~
prog.c:3:9: error: unused variable 'i' [-Werror=unused-variable]
     int i;
         ^
cc1: all warnings being treated as errors

Answer 5

Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
*     **  ** * * * *****   * a,sum,b;
** * ** *  **      *** ** *** ** *** ** * *** **  *** *  * * **  **
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    ***  * * *   ***  *  *  *  * *        **** * * ****    *  **
 * ** ** ** ***** ***     ***** *** ** * **** *
******* ***   ***** *    * if(a<=99&&a>9)
*  * ****  ** ** **    * **  **    * *   * * ** * ** * *** 
 ****  * * ***  *   * *    **  
 * ****** ****** ********* ** **     ** *  ** * * 
**  ******  *  * ** *** *    * **** %d",b,sum);
** *  *  **  *  **** ** *    ** 0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

---

-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output