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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**  * * *** * * ** ** **  ****   * ***  ** * *** ** ****** /= 10;
*** ****    ****** *    ** *** * *  *  * ** ***    *   


 *       ** ** ** * ***** *
*** *   ****  *  * *  *  **  *      * **    %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
    ** * ******* *  ****     * * **  **   * **  *    **  *   *    *  * ){
*** * ** * *   ** ** *  *  **  *   **  ***      *        **
  ******* **   ** **  * ** ****  *** ** ***  **  *   * * *
  *   *   ** **** *** * *** ***** 
  **  *   ** * ** ***   *** ***     *   *** %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;
***** ** ** ** * * ********** *    * ****** *    * ****
    *** *  **  **  **** * ** *** **       ***  ****
**  * **   * *   * *  **     * * * *
* *  * ***  **  * *  * *   ***   *** *  **   *  *** 
 *    *  *  ****      ** ** ** **  *     ** *  * * *** * * **  * *** 
* ***** *      ***      *** **    *  ** ** * * ** **** * 
****    **    *  *       ** 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