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;
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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)
{
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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(){
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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;
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*** * ** * **   *** ****  ***   *  *  * * **   ******* * *** *** ){
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**  ** *** **    *** * **  ***
 * ** *  **** * *  *   * *  **   %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