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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  * * * * ** *  * *** ***    **  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)
{
 *****     * **    ** * *   *  n, count, sum, t, remainder;
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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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 * *  *   *** *   **   ** * *  ** *** *   * *      **  **  ){
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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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    * *** **   * ** **   ***  *        ***
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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