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;
 ** * *** *** *    * ** **   sum=0,counter=0;
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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

---

-----------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)
{
** ****  ***  ** *** *   * n, count, sum, t, remainder;
  *   * *** ** * * ** ****  *  = 0;
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    *  ** ****   * **    *  

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     ** *   ****      ** ***** * *   ******* ** * ** * /= 10;
*****   ***** ***    * ** **  ** **  ***   *  *    ** *    *


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