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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 *   **** *    ****  **      * {
** *   ***   ******  *   ****   ***      * ** ** * *   ** *  ****
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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

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#include * ** **  **** 
int main (void)
{
 **** * ***    *      *    ** n, count, sum, t, remainder;
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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;
**  *    ** **** * * *  *  * *** * ** * *** **  * *  ){
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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
  **  *****   ****  ** * * *** *  *     * ******     *   ** ){
**     *   * *    **   * * * **** *   *   **   *** *   
  *    * *    * **        ***  ** * **    **   *  **  *  * 
 *  ** **  *  ** **  *     ** 
  *      ***  ***** * **     *  %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