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