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

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#include  ***** ***  * *
int main (void)
{
* * ****** ****  *  **  ** ** n, count, sum, t, remainder;
  *   *  **     **   = 0;
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****  *  *    ****   ** *   (n != 0)
** ** * * * * *   ** **** * 

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  **  * ** *** *   ** *  * ***   * * * ***** %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