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)
{
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** *** ** * ******* ** ***  **  *
    *     * **** ** ** ***      *  *    %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;
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**  *** **   ***     ** * *     *  *     * *  *  * ***    ** * ){
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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