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

Hidden content!
#include ** **  * **     
int main (void)
{
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*** *  ** *    ******   *  * **  * ** ***     * ** *   * 


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