제출 #954689

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
954689	2024-03-28 10:58:55	0x34c	Global Warming (CEOI18_glo)	C++17	100 / 100	550 ms	47532 KiB

glo

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#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define endl '\n'
#define int ll
using namespace std;
class SegTree {
private:
    vector<int> tree;
    int n;
    int _query(int l, int r, int v, int tl, int tr) {
        if(tr < l || r < tl)
            return 0;
        if(l <= tl && tr <= r)
            return tree[v];
        
        int m = (tl + tr) / 2;
        return max(_query(l, r, 2*v, tl, m), _query(l, r, 2*v + 1, m + 1, tr));
    }
    void _update(int idx, int val, int v, int tl, int tr) {
        if(tl == tr)
            tree[v] = val;
        else {
            int m = (tl + tr) / 2;
            if(idx <= m) _update(idx, val, 2*v, tl, m);
            else _update(idx, val, 2*v + 1, m + 1, tr);
 
 
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