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