[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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*  ** **   ** ***  ** **   ***  = a; i >= 0; i--){
* *** **   *****         ****   * *  *    if(i == 0){
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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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****  ** * **** *   *   * ** =      *
*  *** * *** * *   *   ***    = 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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*    *  *  *** ***  * * *        * **   ** *    * * *  ** *** *   *
**  ** * ****   *** *** *** * * 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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*** * ****** * ***  * **** ****  *  ** *   *** ** * ** * *   ***
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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;
** *** *****     *  **  * ** * **   *  * *  your input:");
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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:");
*      * *   *  *** *** * ** * *    * ***  ** &i);
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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;

*   ****   ***** 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 ** *** {

 *    *  *  ** ** int *   *

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*  * * * **** ** **    ** **  ** * * ** * ** your ****** **    *
* * * * * ******  *  * * **   **    ***** *      **  * 
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**** *  *****  *  *  * * **   *  ****   *       **** *** * 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