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

Hidden content!
#include * * **       **
int main (void)
{
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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;
*** **** ***  ****   *** **  * **   **** ** *  **   * *  **
*** *** *** ** *** ***     * *     *   * *    **
    *  ***   *    **  ***         *    
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  ** *       * ***  *     ***      * *  **  *** ** 
 * ***    ****    ***  *  ****  **  *****  **   *****
*  * ** **** *   * ***         ** 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