[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!
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#include   ** ******** * ** *

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********    **   ** *  **** *   * *    ** *   if(i == 0){
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*  * *   ** ***   * * * **  *   ***  *   *****
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}

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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}

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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* * ***  **** *  ***   **   ** * *    **  *** * **  *        ** **    * ** 
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}

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[])
{
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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--)
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 * *  ****   * *  *  *   *        * (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   

**  * * *  ** do{
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 ** * *  **  *  ****  ** ** **  *   *****       *   ** ** *
 ***** *    *   *** ****    * *  if( a * *  10)
*  * **     *  * * ** **  **    *****   **  ***  * *      *  * 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