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

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)
*    *  * **   ** *  * **   ** * *  ***     *** *** ** 
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  ****   ***  *  ** ** *   **    **  * * * *  ***  **      *
 ***  *** * *** *****  *****    * *  *  *   * %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