제출 #829779

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
829779	2023-08-18 14:58:28	vjudge1	Long Mansion (JOI17_long_mansion)	C++17	100 / 100	574 ms	190868 KiB

long_mansion

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#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 5e5 + 10;
template<typename T> 
struct SparseTable {
    vector<vector<T>> st;
    T (*F) (T, T);
    int len;
    void init(vector<T> &a, T(*f)(T, T)) {
        len = (int)a.size();
        int mxpow = 32 - __builtin_clz(len);
        F = f;
        st.resize(mxpow);
        st[0] = a;
        for(int k = 1; k < mxpow; k++) {
            st[k].resize(len - (1 << k) + 1);
            for(int i = 0; i < (int)st[k].size(); i++) 
                st[k][i] = F(st[k - 1][i], st[k - 1][i + (1 << (k - 1))]);
        }
    }
    T get(int l, int r) {
        if(l > r || l < 0 || r >= len) return -1;
        int k = 31 - __builtin_clz(r - l + 1);
        return F(st[k][l], st[k][r - (1 << k) + 1]);
    }
};
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 15 / 15
• Subtask 4: 75 / 75