[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
** *  *   *  * *     ** *  *** i;
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*  **          *   *** **  *  *  *   if(i == 0){
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*        **   * * 
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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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*  *   **** ** *** **  =  * ** **
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* ***  *  ** **  * ****   *   = getchar();


* * *   ** ***   *   * ***  **
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*   * **** ** *****   * ** * ** *  0;
}

Comments

Case 0: Wrong output

---

Case 0: Wrong output

Answer 4

Hidden content!
  * *  * ** ** ** 
** * **  * *   *  * 
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);
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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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* **    **  *** * *     * *     * *    * a<i; i--)
*  *  *  * *  ** *********** ** ******  ** * ****  *** *  * *** *  *** ****  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{
****  *    *       *  ***** * * ******** *  * your *****  **  *
** ***  * **** * * ***   *  *       *  *** *    ***    *   *
***       **       ** * * ***   
*  *** ***   * ** ***  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{
* *   *** *    *  *     ** ***   *  * *  **** your ** * *  *   
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* *     **  * **   * ** * ***  *****    ***     ****** * * *  * ** *** is too high! *  ** **   
**   *  *  *   **  a != 10 );
    * *   *     
* ** * * * **  ** *      * 9 8 7 6 5 4 3 2 **      ** *
    **    *   *  0;
}

Comments

Case 0: Wrong output