제출 #1067975

#제출 시각아이디문제언어결과실행 시간메모리
106797512345678Archery (IOI09_archery)C++17
8 / 100
2097 ms1368 KiB
#include <bits/stdc++.h>

using namespace std;

const int nx=205;

int n, r, res=INT_MAX, st;
vector<int> p(2*nx), pw(2*nx), npw(2*nx);

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>r;
    r=(r%n)+2*n;
    for (int i=0; i<2*n; i++) cin>>p[i];
    for (int i=0; i<2*n; i++)
    {
        pw[i]=p[0];
        for (int j=0; j<i; j++) pw[j]=p[j+1];
        for (int j=i+1; j<2*n; j++) pw[j]=p[j];
        for (int t=0; t<r; t++)
        {
            for (int j=2; j<2*n; j+=2)
            {
                if (pw[j]<pw[j+1]) npw[j-2]=pw[j], npw[j+1]=pw[j+1];
                else npw[j-2]=pw[j+1], npw[j+1]=pw[j];
            }
            if (pw[0]<pw[1]) npw[1]=pw[0], npw[2*(n-1)]=pw[1];
            else npw[1]=pw[1], npw[2*(n-1)]=pw[0];
            pw=npw;
        }
        //cout<<"st "<<i<<": ";
        //for (int j=0; j<2*n; j++) cout<<pw[j]<<' ';
        //cout<<'\n';
        for (int j=0; j<2*n; j++) 
        {
            if (pw[j]==p[0]) 
            {
                if (j/2<res) res=j/2, st=(i/2)+1;
            }
        }
    }
    cout<<res+1;
}
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