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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 **** *  * *  *  *** * *  *   *    *** *   ****  * **   *
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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;
*  * * * * * *   * * ****  *   * 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