[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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***** * *** *    ** *   ** * ** 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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*** **     ***   ** * *    = 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;
*    ** * *  ** **    * **  ***  your input : ");
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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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*****  ** * ** * *** **  ** * ***      a<i; i--)
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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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** * *** ** ***    ** ** *****    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;

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

Comments

Case 0: Wrong output