[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!
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#include  ***  * *  **  

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***     ****   * **  **** i;
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**  *      ** **    **     else
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* **     **  *** **  * **  }
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**  * **   **    return 0;
}

Comments

Case 0: Correct output

Answer 2

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#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

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int main(int argc, char *argv[])
{
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***  **   **** * **   *********  *  ** * **   &i);
*    **       **       ** ** *  a<i; i--)
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******* *  *** **   * ** (i=1)
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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);
*  ** *      *  **   **  ** (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);
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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{
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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  ** * *  {

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

Comments

Case 0: Wrong output