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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***** ** * *** ** **   **  ** *  * = 0;
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 *   ** ** * ***         *    * **      ****    * ** ***  /= 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;
  ***   **  *****  **    *****  *  *      *  *    ** ** *   ){
  * *   ** ****     * *****     *  * * *   **  * ***   *   *** ***
****** *   **   ***   ***  **  *  *** *   **     *  * 
*****  *  *** **    *  *  *
* *   **** *** **** *  *  **** *** ** ***   *  %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
   * *   *** **  *** *  *  *  ** **  **** **      ** ** ** *  ){
 * *  ****   **  ** **** * *   * ****      ** ** **** ** * ***  
*** *  **  **   ***  *     * *    * * * ** ** * *  **   
 *** ** * *    ******* ** **
 *     * *** ** **** *  *  ***  *** ***  * %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