제출 #944078

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
944078	2024-03-12 08:09:48	12345678	Index (COCI21_index)	C++17	110 / 110	394 ms	137372 KiB

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#include <bits/stdc++.h>
using namespace std;
const int nx=2e5+5;
int n, q, p[nx], l, r;
struct persist
{
    struct node
    {
        int vl;
        node *l, *r;
        node(): vl(0), l(0), r(0){}
        node(int vl): vl(vl), l(0), r(0){}
    };
    typedef node* pnode;
    pnode rt[nx];
    void build(int l, int r, pnode &k)
    {
        k=new node(0);
        if (l==r) return;
        int md=(l+r)/2;
        build(l, md, k->l);
        build(md+1, r, k->r);
    }
    void update(int l, int r, pnode &k, pnode t, int idx)
    {
        k=new node(*t);
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50