[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   *      * *   *    *  ***  * ***       ** **   *   * ** DO NOT change
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** *** * **  *  * **      *    *  Your  ****  * start from here
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*   ***     ** **  ***  *      **** if(i == 0){
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}

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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* * **   * * *  * * **  **  ** *   =     
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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[])
{
**    *******  * *  *  ***     i, a;
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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;
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* *  **   * **  ***    **  ** * * ****  *  *    *   &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

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 ***

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**  ** * *  * *     **     * * ** * if( a *    *  10)
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*    *  ** ****   * *** a != 10 );
  ** *  *  ** **   
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   *  *    ** *     *   0;
}

Comments

Case 0: Wrong output