[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  ***** * *   *  * 

int main(int argc, char *argv[]) {
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** **   ** *****   **  *     ** * * *  **  if(i == 0){
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* * ****   * **** *    * *     ** * }
** * *  *   ** 
* * *** ** *  



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}

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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*  *    *    ***  ****  * = * *   *
*   * *** *  ** *  *         ** = getchar();
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** ***       ***  **  * *  = * *  * 
* **  * ** **** ***  * *  ***  =  ***  ** 
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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[])
{
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}

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

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

Comments

Case 0: Wrong output