제출 #726984

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
726984	2023-04-19 18:41:33	finn__	Inside information (BOI21_servers)	C++17	100 / 100	650 ms	36924 KiB

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#include <bits/stdc++.h>
using namespace std;
template <typename T, int64_t N>
struct FenwickTree
{
    T t[N];
    void update(int64_t i, T x)
    {
        ++i;
        while (i <= N)
            t[i - 1] += x, i += i & -i;
    }
    T prefix_sum(int64_t i)
    {
        ++i;
        T x = 0;
        while (i)
            x += t[i - 1], i -= i & -i;
        return x;
    }
};
constexpr size_t N = 120021;
vector<pair<unsigned, unsigned>> g[N], q1[N], q2[N];
unsigned subtree_size[N], min_time[N], max_time[N], subtree[N];
vector<pair<unsigned, string>> ans;
 
 
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