[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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int main(int argc, char *argv[]) {
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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

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*  * *  **  *** ** 
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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;
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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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*** ** * *     * *  * (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

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*   * ** * *  *  ***
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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 * *

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* *   **  *   ****   * *   if( a  *     * 10)
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*        *       ** ***   *  * *  if( a   ** * 10)
**     *** *    ***   *  *  **  ****   **  *       * **  ** *  *** is too high! ** **  
* **  *  **** * * *   a != 10 );
  **  *  * * 
    *    **  ** * ** * *    9 8 7 6 5 4 3 2 * **  * **  
*  **       **   * * 0;
}

Comments

Case 0: Wrong output