judgment.c~

Some simple source code to show specific function like mouse and graphic.

#include <stdio.h>
#include <time.h>
#include <stdlib.h>

#include "judgment.h"

int valid_check( int input_number )
{
if( input_number >= MIN_NUMBER && input_number <= MAX_NUMBER )
	return VALID;

return INVALID;
}

int judgment( int input_number, int random_number)
{
static int big_range = MAX_NUMBER, small_range = MIN_NUMBER, last_input_number = 0;

if(input_number > big_range || input_number < small_range )
	{
	printf("stupid input number :\n input again!!\n");
	input_number = last_input_number;
	}
last_input_number = input_number;

if(input_number > random_number)
	{
	big_range = input_number;
	printf("please input a smaller number:\n range of %d-%d\n",small_range,big_range);
	return ERROR_TOO_BIG;
	}
if(input_number < random_number)
	{
	small_range = input_number;
	printf("please input a bigger number:\n rang of %d-%d:\n",small_range,big_range);
	return ERROR_TOO_SMALL;
	}
if(input_number == random_number)
	{
	printf("you input a right answer,congratulation!!\n");
	return PERFECT_ANSWER;
	}
}

main()
{
int input_number = 0, rand_number = 0 , flag = 1 ;
time_t t;

srand( (unsigned)time(&t));
rand_number = rand()%(MAX_NUMBER+1);

printf("the number you input out range of 0-10000:\n");
while( flag )
{

scanf("%d",&input_number);

if( valid_check(input_number) == INVALID) 
	{
	printf("the number you input out range of 0-10000:\n");
	continue;
	}

if( judgment(input_number,rand_number) == PERFECT_ANSWER )
	break;

}
}