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

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