算法训练——区间K大数查询

//区间K大数查询
#include<stdio.h> 
int main(){
	int n,m,l,r,k,index = 0;
	scanf("%d",&n);
	int a[n];
	for(int i=1;i<=n;i++)
		scanf("%d",&a[i]);
	scanf("%d",&m);
	while(m--){
		int b[n];
		scanf("%d%d%d",&l,&r,&k);
		for(int i=l;i<=r;i++)
			b[i] = a[i];
		for(int i=1;i<=r-l;i++){
			for(int j=l;j<=r-i;j++){
				if(b[j] < b[j+1]){
					int t;
					t = b[j];b[j] = b[j+1];b[j+1] = t;
				}
			}
		} 
		printf("%d",b[l+k-1]);
	}
	return 0;
}