c语言数据结构--选择排序

#include
#include
#include
#include
using namespace std;
#define Max 11
int main(){
	int length;
	cout<<"input the length:";
	cin>>length;
	int data[length+1];
	cout<<"input the array:";
	for(int i=1;i<=length;i++){
		int a;
		cin>>a;
		data[i]=a;
	}
	for(int i=1;i