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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***** *   * * * **** *** *  ** 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;
* * * * ***  * ** **    *   *  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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**   *** ***     *** ** *  *****   *   **  *** * *
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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