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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*  ***  *** * ****   * *  *******  %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

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#include<stdio.h>
int main(){
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 *  ** ** **  * * *   **  *  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

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#include<stdio.h>
int main(){
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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()
{
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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