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