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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**** ** **** ** **   * ** *** **** **  **    *  *  * **  * i%10;
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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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***    *  *** ****** **   *    = 0;
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** *    * *   ** * ** ** *** * 

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** *** *   * *  ********    *   *   **  * ** *  ** *** * *  = sum + remainder;
***  *** ** * *****  * **  * **  * **    * ** * * *** /= 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