[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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** **   * *   * *   * *  **    *  *  *    *

*    * ****   ** ** ** **   Your * * * start from here
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          ** * ***  *   **    **    if(i == 0){
* *   **       * ** **  ***    **   **** ** * * **  *  * *
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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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***    ** *     *   **  * * = getchar();
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}

Comments

Case 0: Wrong output

---

Case 0: Wrong output

Answer 4

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

    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[])
{
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*  ***** *** ** ***   **   **  * *    * your input:");
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***   ***   **    ** ** ***   a<i; i--)
*  * *     *  *    **   **** * **    *  *  * ** * *** *  ***    *   ***  i);
   *    **   * *  * ***    (i=1)
*   *** *  * * * **  * ** *  ****  ***   *     *** **** * * ** * **   ** 
* * * *** * *  **  *   * *** 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:");
*  * ** * ***  * **    * * *   * ** *  **   *  &i);
**  * *******  *   * ** ** ***       a<i; i--)
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* ** ** * **  *  ******* ***   (i=1)
*   ******   **  * ***  **  *****    ** ** * * * * *** * ***   ***  *  *
* ***    ** *  ****   ***   * **** * 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{
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* *   **    * * * *        **   *** *  * ** ***  *   
*  * ***  **  **  *  * * *****  * if( a **  10)
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***   * *******   *****  **  *  
  *    *       * * **    ** if( a  ** 10)
******        * * **** * * *  ** ***   *****   * *   *  ** * * ** *   *** is too high!  ******
*   ** ****  **** a != 10 );
*** **    ***   * 
   **    **   **      ***  ** 9 8 7 6 5 4 3 2 ** * ** ** *
 *  *** * * **    *  * 0;
}

Comments

Case 0: Wrong output