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);
  *  ** * * **** **   ***  *** ** 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;
 * * *** * *  *   * ***** **  ** 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()
{
 * **     * **   *** ****   **  a,sum,b;
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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