/*LottoGen:產生大樂透彩單*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
 
void LottoNumGen(int List[]);
 
int main( int argc, char *argv[ ])
{
	int i,j, nStakeNum=1;
	int NumList[6];
	if (argc>=2)
	{
		nStakeNum=atoi(argv[1]);
		if (nStakeNum<=0||nStakeNum>5)
		{
			printf("1~5 stakes one time\n");
			return;
		}
	}
	srand( (unsigned)time( NULL ) );
 
	for (i=0; i<nStakeNum; i++)
	{
		LottoNumGen(NumList);
		for (j=0; j< 6; j++)
		    printf("%2d ", NumList[j]);
        printf("\n");
	}
	return 0;
}
void LottoNumGen(int List[])
{
    int i, j;
    int number[49], highest, which;
 
    for (i=0; i<49; i++)
    { 
        number[i]=rand();
    }
    for (i=0; i<6; i++)
    {
       highest = 0; which = -1;
       /*每次選最高分*/
       for (j=0; j< 49; j++)
       {
           if (number[j] > highest)
           {
               highest = number[j]; which=j;
           }
       }
       List[i]=which+1; number[which]=0;
    }
}