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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   * *  * *** ****** ****     **  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(){
  *  * ** ***  ** **   *** 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

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()
{
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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