Submission #894864

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
894864	2023-12-29 06:34:32	juliany2	Railway Trip 2 (JOI22_ho_t4)	C++17	35 / 100	2061 ms	24248 KiB

Main

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#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define all(x) (x).begin(), (x).end()
template<class T> struct ST {
    static constexpr T ID = {(int) -1e9, 0}; // or whatever ID
    inline T comb(T a, T b) { return max(a, b); } // or whatever function
    int sz;
    vector<T> t;
    void init(int _sz, T val = ID) {
        t.assign((sz = _sz) * 2, ID);
    }
    void init(vector<T> &v) {
        t.resize((sz = v.size()) * 2);
        for (int i = 0; i < sz; ++i)
            t[i + sz] = v[i];
        for (int i = sz - 1; i; --i)
            t[i] = comb(t[i * 2], t[(i * 2) | 1]);
    }
    void upd(int i, T x) {
        for (t[i += sz] = x; i > 1; i >>= 1)
            t[i >> 1] = comb(t[i], t[i ^ 1]);
    }
    T query(int l, int r) {
        T ql = ID, qr = ID;
        for (l += sz, r += sz + 1; l < r; l >>= 1, r >>= 1) {
            if (l & 1) ql = comb(ql, t[l++]);
 
 
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• Subtask 1: 0 / 8
• Subtask 2: 0 / 8
• Subtask 3: 0 / 11
• Subtask 4: 0 / 25
• Subtask 5: 35 / 35
• Subtask 6: 0 / 13