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;
* *****  *   * * * **  ** *  ** **    * **** *  *** ***  *
 *      * ****   **  **  * ***      {
** * *      ****  ***  ***   *  **  ***  *** **     *** **
  *   **   *******  **  * **** ** * *     *   * ****** i%10;
* **** ** * * ***** ** ***     *    *** * * ** *  * ***  * ** *
 *** ****  **     * ******* ** **  * * ** 

 * *******     * ** **    *     ** %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;
*** **  * ***    * **  *    = 0;
  **** ****** *   ** **  ** * = 0;
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* * * ***   * ** *    * * **** ***  (n != 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