[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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** *  *   *  * *  **   ** *  ***     * if(i == 0){
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**  **  **  *     * ***    **  }
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}

Comments

Case 0: Correct output

Answer 2

Hidden content!
#include  *** *  ******* 
#include *   *** *****  ** **

int main() {
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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[])
{
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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[])
{
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*   ***** *   ****  ** *** *  *** *       * *  ** ***   * * * **** **  *  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

Hidden content!
* *  **   * ***    
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int main(int argc, char *argv[])
{
*  *** * * **  * ** * * * i, a;
*****  ****  ** **  * ** *** **** *     * *  your input:");
* *    ***    * *** *  *   **     * * ** * &i);
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*****   ** * ****  ** * **  ** **  ***   * **  **** * *** *   *  *    i);
***** ** **   * *  **** *   *** (i=1)
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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{
* **  * *  ***  *   ****  ** **   *  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

Hidden content!
  *      * *  * *  * 
** ***       **  * ** 

int *  *    argc, char ***  * {

** *     *  int ****

      * *   ** do{
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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