#include <stdio.h>
#include <stdlib.h>
void swap(int *a,int *b){
	int tmp;
	tmp=*a;
	*a=*b;
	*b=tmp;
}
 
void BubleSort(int a[],int n){
	int i,j;
	for(i=0;i<n-1;i++){
		for(j=1;j<n-i;j++){
			if(a[j-1]<a[j])
			swap(&a[j-1],&a[j]);
		}
	}
}
int main(void) {
	int m,k,i;
	int *v;
	scanf("%d %d",&m,&k);
	v=(int*)malloc(sizeof(int)*m);
	if(v==NULL){
		printf("ERROR\n");
		return 0;
	}
	for(i=0;i<m;i++){
		scanf("%d",&v[i]);
	}
	BubleSort(v,m);
	for(i=0;i<m;i++){
		if(i==k-1){
			printf("%d",v[i]);
		}
	}
	return 0;
}
 

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

OSA1CjEgMiAzIDQgNSA2IDcgOCA5

9 5
1 2 3 4 5 6 7 8 9