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;
*   * *  * ** * **   **  * *   * * ***   *        *   * **
  *  ***  **  *   *  * ****  {
 *  *  *** *  * **  *  *  ******* *   *  ****** * *  *
*  ****  * ****  ***** **  ******   *  * *     *****     i%10;
 **** * * * **   **  * *    *  *   **   *    ** * *  *   * ** 
 *** ****   **  *  *  *** *      ***  *

 *    * *****   ***  *****  *   ***   ***** %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;
* *    * *** ** *  * *   *  ** * * = 0;
**  * ** *****  ***** * * * = 0;
    ** ***    *     ** ****  *** * *********  * *** &n);
  ** ** **** ** *       * ***   = n;
*        * **    * ** * * * **** (n != 0)
** * **  **  ***    ** *

  ****** *** * ** * ****    * ***** ***   ** *** ** *    * = n % 10;
**  *******     ***  **  *  **  **  ** *   *     **   * * ** = sum + remainder;
 ** *   ***** * ** *     * *  *  * * *** ******  **** ***  /= 10;
 * ******  *   * * *  **  ***  ***  **  *  ***   * * * 


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