O(nlogn)过了???
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O(nlogn)过了???
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starish楼主2024/5/30 19:34
#include <bits/stdc++.h>
using namespace std;
#define int long long
int a[5000005],n,k;
signed main() {
	std::ios::sync_with_stdio(false);
    cin>>n>>k;
    for(int i=0;i<n;i++)cin>>a[i];
    sort(a,a+n);
    cout<<a[k];
	return 0;
}

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2024/5/30 19:34
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