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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** *       *     **  **   ***** **** 

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

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