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(){
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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(){
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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(){
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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)
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*  *  ** ***   *** ** ***  ** ***   **** * %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