Submission #900422

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
900422	2024-01-08 09:34:45	Turkhuu	운세 보기 2 (JOI14_fortune_telling2)	C++17	100 / 100	264 ms	27704 KiB

fortune_telling2

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
template <class T>
struct segtree {
    int n;
    T e;
    T (*f)(T, T);
    vector<T> s;
    segtree(int n, T (*f)(T, T), T e):
    n(n), e(e), f(f), s(2 * n, e) {
    }
    segtree(const vector<T> &a, T (*f)(T, T), T e):
    segtree(a.size(), f, e) {
        for (int i = 2 * n - 1; i; i--) {
            s[i] = i < n ? f(s[i * 2], s[i * 2 + 1]) : a[i - n];
        }
    }
    void set(int i, const T &v) {
        for (i += n, s[i] = v; i /= 2;) {
            s[i] = f(s[i * 2], s[i * 2 + 1]);
        }
    }
    T qry(int l, int r) {
        T u(e), v(e);
        for (l += n, r += n; l < r; l /= 2, r /= 2) {
            if (l & 1) u = f(u, s[l++]);
            if (r & 1) v = f(s[--r], v);
        }
        return f(u, v);
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 31 / 31
• Subtask 3: 65 / 65