[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() {
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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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}

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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   ** *******  *  * * * ** *  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;
*    ****       *  ***   * * **  * *  *  *** your input:");
** * **  ** *  *   * * * ******* **  * *  ***    *  * &i);
*  **         * *** **    ** *    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:");
* *    *   **   ** **  *   *  *  ** *   ** *   &i);
**  * *   *  * ****     ** * ** * * ** 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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** ** * * ** *** ** *  *** * *       **    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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** **** **   *   ** * * * **** * 
**  *** ***  * ** *  * ** ** if( a  *   10)
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    *  *  *** *     
  **** * * *    *  * *** **   9 8 7 6 5 4 3 2 ** *   *     
 *  * *   * *  *   ** * 0;
}

Comments

Case 0: Wrong output