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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 * * * * *** *      **  **       *     *****  * ****   *  ****  *
 ***** ***   *** *** *   ***  ***   ** **     *** ***   ****** i%10;
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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;
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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)
* * *  *  *** **      *     *  *****  *    **  ** ** *  *  
   * * * *  *    *** **  * * *
*    * *  * *  *** * ** *    *   ***** ****   *  **  
      ***  ** *  ***** ****   ****   %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