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

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*    * *    **  * * **** ** i;
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*  *    *  *   
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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

Hidden content!
*  *   * ** **     *
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int main(int argc, char *argv[])
{
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* ****** *  **      ** **   *  (i=1)
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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!
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 * * *** * * * **** **
int main(int argc, char *argv[])
{
*  *  ***  *  * ** * *  **** *  i, a;
**** *   *  * ***** *    ** * * * * ****** *  your input:");
***  * ****  *   * * **  *   *   * ** **** &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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    ** * ***     *** * ** * **************  ** *  ** ** *** *** ****  *  * * ***  **
 ** *  **     ** *** * *  * *** ** 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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** *  ** *** * **   * ** *       *  *  * *  *** **  *      * * * * 
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* ***        *   **         *  *  ** * **  ***  **** *   ***   ** code is too low! ** * 
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**  * *       * * *  a != 10 );
  *  *   ** *  ** 
**  ***   *** * * *  ** * *        9 8 7 6 5 4 3 2  ** * **  **
 ** *      **** * **  0;
}

Comments

Case 0: Wrong output