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;
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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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 **** **  * ***  * *****  * ***  *  ** **** * * *  ****
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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