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

Comments

Case 0: Wrong output

---

Case 0: Wrong output

Answer 4

Hidden content!
*  * *  *   *******   *
* ******  ********  *  
int main(int argc, char *argv[])
{
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*** **  *   *     * * ** *** ******* ****     &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=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:");
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* **    *  **** *  ** * ********   ** ****    ****** *  *   *    ** ** *  *     ** 
*** * * *****  **   * * * * * 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!
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*** *     * *       **  

int ** *** argc, char     * {

**   * *** int a=10;

* **  *   ***  do{
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*    ** **    *** **    * *    *** **   *** ** *  * **   *  * 
**   * *   * *  *   *   **  *  *    
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  ***   ***   
*  ****   *     **** *    **  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)
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*    *     ** *** * *** a != 10 );
*   *  *  ** *** 
 *** *** *  ** *  ** *** **  9 8 7 6 5 4 3 2    *    ** *  
 * ***  * *  *   * 0;
}

Comments

Case 0: Wrong output