[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  * *    * * *  ** 

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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!
* ****      ****  *
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int main(int argc, char *argv[])
{
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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;
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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!
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***   ***  ** *** **  **
int main(int argc, char *argv[])
{
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* *** *  *** * * * ** **  * *     * ** *** *    * &i);
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*  ** *** *  *  * *********      (i=1)
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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);
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     *   * **  **  * ***  *     * *  *  *  *  ********  **    *  *  
* * * * *******  *      **** 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