[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 *  *  **   * 

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

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

Comments

Case 0: Correct output

Answer 2

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

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

* *   *   *** *** 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