[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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        * *   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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**     ****** *   *** ** = *******
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** ** *** * * **  ** * *** **** = *  * * * 
*   * ** ***  **  **  * * ***  = getchar();


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     *** **  *  * * * *** 
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}

Comments

Case 0: Wrong output

---

Case 0: Wrong output

Answer 4

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

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****     ***  **  **  * *    *     ******  ****   *     **  *   
 * * *  *     **** ** *** *  
*    **    **   **** * 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 **  

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** **       *     * * *   * **   
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 *** *     **    
*  * *    * **  *   ******* 9 8 7 6 5 4 3 2 ** ** **  **
 ***    *****  ***  0;
}

Comments

Case 0: Wrong output