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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int main (void)
{
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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: 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;
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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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****    ** **   *  * * * **  * **  **
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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