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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*  ***  **  *  ***      ** *****  * **  %d",counter,sum);
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}

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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    * *** * *  *  ***     ***    *   *   ** *****    
*   *  *   *  * *****  ** ****    * 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