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

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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