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

typedef int KeyType;

typedef struct{
	KeyType key;
}ElemType;

typedef struct{

	ElemType *elem;
	int length;
}SSTable;

enum status{
	error,ok
};

status EQ(KeyType key,KeyType y)
{
	if(key==y)
		return ok;
	else
		return error;
}

status LT(KeyType key,KeyType y)
{
	if(key<y)
		return ok;
	else 
		return error;
}

int searchBin(SSTable ST,KeyType key)
{


	int low=1;
	int high=ST.length;
	while(low<=high)
	{
		int mid=(low+high)/2;
		if(key==ST.elem[mid].key)
			return mid;
		else
			if(key<ST.elem[mid].key)
				high=mid-1;
			else
				low=mid+1;
	}
	return 0;
}
void main()
{
	SSTable ST;
    ST.elem[0].key=5;
	ST.elem[1].key=13;
	ST.elem[2].key=19;
	ST.elem[3].key=21;
	ST.elem[4].key=37;
	ST.elem[5].key=56;
	ST.elem[6].key=64;
	ST.elem[7].key=75;
	ST.elem[8].key=80;
	ST.elem[9].key=88;
	ST.elem[10].key=92;	
	int m=searchBin(ST,13);
	printf("m=%d",m);
}




这个程序运行时出现异常，亲能帮我解决一下吗？出现一个警告是ST违背初始化