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

---

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

Answer 2

Hidden content!
#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