“CodeForces/412B”的版本间的差异

#include<cstdio>
#include<iostream>
#include<string>
#include<algorithm>
using namespace std;
#define dsi(n) int n;scanf("%d",&n)
#define si(n) scanf("%d",&n)
#define f(i,n) for(int i=1;i<=n;++i)
#define fi(n) f(i,n)
#define f0(i,n) for(int i=0;i!=n;++i)
#define fd(i,n) for(int i=n;i>=1;--i)
#define ci const int&
#define foreach(i,s) for(typeof(s.begin()) i=s.begin();i!=s.end();++i)
#define c(x) const x&
class st
{
    int x,y;
    friend bool operator <(const st&a,const st&b){return a.x<b.x;}
};
string s;
int a[10000]={};
int main()
{
    dsi(n);dsi(k);
    fi(n)
    {
        si(a[i]);
    }
    sort(a+1,a+n+1);
    cout<<a[n-k+1]<<endl;
    return 0;
}