[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
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* *   ***  * **** *    **** * = a; i >= 0; i--){
*  ***    ** *      * **      *   **   if(i == 0){
** **  ** ** **  *   **** ***  * ***   *  ** ***   
** * * *  ****   * * **    *  **  else
*  * *       **   * * *    **  *  ** *** **  * * **
*** * *  ** ** * **       }
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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

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*       **  ***** ** 
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int main(int argc, char *argv[])
{
*    **            * *  **  i, a;
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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!
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** * ** *  **   **
int main(int argc, char *argv[])
{
*  **   *   **** ** ** *  * *** i, a;
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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;

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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!
*  *   ****** 
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int   ** argc, char ** **** {

        * *** * int *  

** * ** **  ****  do{
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** * **  *** **  ** * *         * * ** *** ** ****  ** ** **  *
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 ** * * * *   **   a != 10 );
 ** **     * * 
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 ******    * ** *  0;
}

Comments

Case 0: Wrong output