[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

內容已隱藏
#include ***  **  *** 
#include * *****  * *  

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



**** *** *     return 0;
}

Comments

Case 0: Correct output

Answer 2

內容已隱藏
#include   *  **  ** 
#include   *   *  ** *

int main() {
 * * *    **  * int a;

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* ****  *      * * ** * ***   * }
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*** *    return 0;
}

Comments

Case 0: Correct output

Answer 3

內容已隱藏
#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

內容已隱藏
 **    ****  *   *  *
* ********     * *  
int main(int argc, char *argv[])
{
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* ** * * *  *  * ****  *  * (i=1)
 ********     * ***  * ****   *  **   **   **   **** * ****   ***    * ***** 
* *****  *   *** **** ** **  *** 0;
}

Comments

Case 0: Correct output

Answer 5

內容已隱藏
#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

內容已隱藏
#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

內容已隱藏
*  * ***  ***  *** 
  *******  *  * ***  * 
int main(int argc, char *argv[])
{
*** ** ** * * *   * ** ** *    i, a;
* ** *   * *** *    *** * **** ****   **  your input:");
 *   ***   **** * *** *  ***   **   *  * &i);
*   * ** *    ** * * *** **    a<i; i--)
** * ** ** **** *   *         ** *  *   *** *** *  *** * *******      *  **   i);
**  ***** *  *   *     *  * * *** (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

內容已隱藏
  * * **  *  ** * 
   * * ***   *  *** **
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

內容已隱藏
* **    *  **  *** ** ***
         ** ** * *****

int  *   argc, char *   {

 *  *    ***  int a=10;

* * * ***  * do{
      ** **  ***  **** * **   ** *    * ***     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

內容已隱藏
*    **** ****  *****
  * *  *  **** *   

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