[Exercise 8] Count down

Question

Please write a program that receives an input number, then decreases the input by 1 until it reaches '0'. But instead of showing '0', it will output 'zero'.

Example(template)

#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
	int a;                             //can be changed

	printf("Enter your input:");       // DO NOT change
	scanf("%d",&a);

    // Your conditions start from here

	return 0;
}

 

Input

Enter your input:10

Output

Enter your input:10
10987654321zero

 

** No need to put a space between numbers

Answer 1

Hidden content!
#include ** **   **  **** 
#include     *** *  **** *

int main(int argc, char *argv[]) {
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* **   *   *   **** *    ** * *  * **  *   

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** *  *** *   **   *****     * }
*   *   *  * * ** 
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 * ** *  * ***  return 0;
}

Comments

Case 0: Correct output

Answer 2

Hidden content!
#include       * * * *
#include  *  * **        *

int main() {
    ***  ** * *  int a;

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*  *** * ** *   }

   ****   return 0;
}

Comments

Case 0: Correct output

Answer 3

Hidden content!
#include  **   **  *  
#include  * *** * ***    

/* run this program using the console pauser or add your own getch, * *       **  ***   * * or input loop */

int main(int argc, char *argv[]) {
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}

Comments

Case 0: Wrong output

---

Case 0: Wrong output

Answer 4

Hidden content!
***       ** **** 
** ** ** ****  *   * *
int main(int argc, char *argv[])
{
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**  * *****  ** *  *****   * *  *** *** *  ****   **     * *** *  *
** * * * **   *   *      0;
}

Comments

Case 0: Correct output

Answer 5

Hidden content!
#include <stdio.h>
#include <stdlib.h>
int main(){
int i;
    printf("Enter your input:");
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    return 0;
}

Comments

prog.c: In function 'main':
prog.c:6:14: error: 'number' undeclared (first use in this function)
  scanf("%d",&number);fflush(stdin);
              ^~~~~~
prog.c:6:14: note: each undeclared identifier is reported only once for each function it appears in

---

prog.c: In function 'main':
prog.c:6:14: error: 'number' undeclared (first use in this function)
  scanf("%d",&number);fflush(stdin);
              ^~~~~~
prog.c:6:14: note: each undeclared identifier is reported only once for each function it appears in

Answer 6

Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
    int number;
  int i;
**  ***** *  *  * ** *  * * * * your input : ");
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* ** *** *   **  *** ** **  ** ***  *******       ** * *       ** ** *
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* *** * ****** *** * * 

    return 0;
}

Input
10

Output
Enter your input:10
10987654321zero

Comments

prog.c: In function 'main':
prog.c:22:1: error: expected declaration or statement at end of input
 }
 ^

---

prog.c: In function 'main':
prog.c:7:10: warning: missing terminating " character
   printf("Enter your input : );
          ^
prog.c:7:10: error: missing terminating " character
   printf("Enter your input : );
          ^~~~~~~~~~~~~~~~~~~~~~
prog.c:8:30: error: expected ')' before ';' token
          scanf("%d", &number);fflush(stdin);
                              ^
prog.c:8:10: warning: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
          scanf("%d", &number);fflush(stdin);
          ^~~~~
In file included from prog.c:1:0:
/usr/include/stdio.h:364:12: note: expected 'const char * restrict' but argument is of type 'int'
 extern int printf (const char *__restrict __format, ...);
            ^~~~~~
prog.c:20:1: warning: format not a string literal and no format arguments [-Wformat-security]
 }
 ^
prog.c:20:1: error: expected ';' before '}' token

---

Case 0: Wrong output

---

prog.c:23:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before numeric constant
 10
 ^~
prog.c:27:1: error: invalid suffix "zero" on integer constant
 10987654321zero
 ^~~~~~~~~~~~~~~

Answer 7

Hidden content!
*** * * * * *   ** 
**  *   **   **    * *** 
int main(int argc, char *argv[])
{
    *** * * ***   *    *  *  i, a;
*   *  *       *  * * **  ***   *   *** **  *  ** your input:");
** *** * *  * ** * * * * ** ** *  * **  * * ***  &i);
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* *  *****  *  *** ***  *  ***    **  ** *    **     * ** *  * *  * **       i);
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  * *** * * * **  **** ** **  * * *  *****   **  * *** **** *     ** ** * ** ** * ** *
 *** * *     ****** ***** ***  ** 0;
}

Comments

prog.c: In function 'main':
prog.c:8:18: error: 'a' undeclared (first use in this function)
     for( i=0; i>=a; a--)
                  ^
prog.c:8:18: note: each undeclared identifier is reported only once for each function it appears in

---

prog.c: In function 'main':
prog.c:8:18: error: 'i' undeclared (first use in this function)
     for( a=0; a>=i; a--)
                  ^
prog.c:8:18: note: each undeclared identifier is reported only once for each function it appears in

---

Case 0: Wrong output

---

prog.c: In function 'main':
prog.c:8:21: error: 'a' undeclared (first use in this function)
     for(int i=0; i>=a; i--)
                     ^
prog.c:8:21: note: each undeclared identifier is reported only once for each function it appears in

---

Case 0: Correct output

Answer 8

Hidden content!
 ***  * ****** *  *   
*   * *  * *    *  * * 
int main(int argc, char *argv[])
{
** * * **     *  ** *  * *   * i, a;
* *   ** * *  ** **   ** *  *  *      ** your input:");
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****   *** **   ** ***   *  *  * *********  *     ***    ****   *  *  **   **
**  **    **      * * ** ** ***   0;
}

Comments

Case 0: Wrong output

---

I recommend you use loop run numbers from 10 to 0, then use 'if' to change 0 into 'zero'

---

Case 0: Correct output

Answer 9

Hidden content!
***** * **  * *   *
***   *   * ** **** ***

int  **  argc, char ** **** {

**  *****      ** int a=10;

 *    *  ** * ** do{
    ***   ** ** *  ** *      *   *    *   **  your * * **  **** *
       *     *  *    ** **     *  *  *** **  ** * * *** 
*  ***    ***   *      **** 
 ** *  ***  *      a != 10 );
*****  ***   **  ** 
  *      *  * *   *** *   ** 9 8 7 6 5 4 3 2  **  *   **
***  *         **

Comments

prog.c: In function 'main':
prog.c:15:2: error: expected expression at end of input
  return
  ^~~~~~
prog.c:15:2: error: expected declaration or statement at end of input

Answer 10

Hidden content!
        ** * * **  **
* **       *   *    * 

int *    ** argc, char     *  {

    **  *  * ** int   

 *    ******* do{
* **** * * * **  *  * * *   * *  * * *** ** * your  *  *  ***  
  * ***   **           *     *  **  * * *  *    * *   *        * 
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**** *  * *   *   ***   *      ** *   * *  **    ***** *   ** code is too low! *  *  * *
** *   * *  *    * *   **  **  
 * ***   *   **   *  **  * * if( a **   * 10)
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*     *  * * * **** a != 10 );
* ****  * * *  *  
***    ** * * *    * ***  **   9 8 7 6 5 4 3 2    **   *  *
 **  * *  * * *   *   0;
}

Comments

Case 0: Wrong output