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(){
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**    ***    *  ****   * *   * ** 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(){
* * *****  *   *        * i;
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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
*  *  *     *  **   **  ****       * * *  **    * * ****   *** ){
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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()
{
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******     **** * * * **   * * * ********   * *   ***
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 **   *  *******  **** ** *   *  *** * * **    * ****** 
***  *    *** *      *  * *  * * *    *   *  **    *** *** **** 
***  **     **  *     *** * ** ****  *****  *  * ***    * 
*  ** *  * *  ** * *   **   ******     if(a<=99&&a>9)
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 ** ****  ** ****  * * **** *** * **** *   * ***   *   ** 
 ***  ***** **       *** * * ** **      %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