제출 #1160735

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1160735	2025-03-03 00:27:53	12345678	Curtains (NOI23_curtains)	C++20	0 / 100	22 ms	47500 KiB

curtains

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#include <bits/stdc++.h>
using namespace std;
const int nx=5e5+5;
int n, m, q, dp[nx], l, r, st[nx], ed[nx], res[nx];
set<int> sr[nx], sl[nx];
vector<int> v;
struct maxsegtree
{
    int d[4*nx];
    void update(int l, int r, int i, int idx, int vl)
    {
        if (idx<l||r<idx) return;
        if (l==r) return d[i]=vl, void();
        int md=(l+r)/2;
        update(l, md, 2*i, idx, vl);
        update(md+1, r, 2*i+1, idx, vl);
        d[i]=max(d[2*i], d[2*i+1]);
    }
    int query(int l, int r, int i, int ql, int qr)
    {
        if (r<ql||qr<l||qr<ql) return 0;
        if (ql<=l&&r<=qr) return 0;
        int md=(l+r)/2;
        return max(query(l, md, 2*i, ql, qr), query(md+1, r, 2*i+1, ql, qr));
    }
} smx;
 
 
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• Subtask 6: 0 / 20