[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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*  *** ****   
* *  *  *  ***  



 *    *       * 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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}

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;
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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:");
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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:");
*** * *    * ** ** ***  ***  * *   **    ** &i);
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*  *****   **  *  *  *  **    *     ***  * * *       ***  *   *   *** ***  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{
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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)
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 * **   ****  **   a != 10 );
 *  *  **  * * 
*** *          * **  ** * ***  9 8 7 6 5 4 3 2 *  ***   * *
* ***** * ***  **  0;
}

Comments

Case 0: Wrong output