제출 #246762

#제출 시각아이디문제언어결과실행 시간메모리
246762AutoratchXylophone (JOI18_xylophone)C++14
0 / 100
5 ms256 KiB
#include "xylophone.h"
#include <bits/stdc++.h>
using namespace std;

const int N = 5001;

int a[N],b[N],d[N];

void solve(int n)
{
    for(int i = 1;i < n;i++) a[i] = query(i,i+1);
    for(int i = 1;i < n-1;i++) b[i] = query(i,i+2);
    int now = -1,cur = 1,mn = 1;
    for(int i = 1;i < n;i++) 
    {
        d[i] = now*a[i];
        if(b[i]==a[i] or b[i]==a[i+1]) now = -now;
        cur+=d[i];
        mn = min(mn,cur);
    }
    int st = 1+1-mn;
    for(int i = 1;i <= n;i++)
    {
        answer(i,st);
        st+=d[i];
    }
}
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