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

    * *** ** **    **  ** * *   *  * * *  %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

Hidden content!
#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;
 * *****   ** *   ** ***   sum=0,counter=0;
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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)
* * *** *****   *       ** *    * *  * * *     *  ** *   
 *  ***     ***  ** **     *    *
   *  * *  ***  *****  *     ** ****** * **   *  **  
 *  * * * ** **    ** **  ********** %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