Submission #824989

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
824989	2023-08-14 12:54:52	phoenix	Werewolf (IOI18_werewolf)	C++17	100 / 100	522 ms	87852 KiB

werewolf

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#include<bits/stdc++.h>
#include "werewolf.h"
using namespace std;
struct SegTree {
    const static int N = (1 << 18);
    vector<int> t;
    SegTree() {
        t.assign(2 * N, -1);
    }
    void update(int pos, int val) {
        for(t[pos += N] = val; pos > 1; pos >>= 1) {
            t[pos >> 1] = max(t[pos], t[(pos ^ 1)]);
        }
    }
    int get(int ql, int qr) {
        int res = -1;
        for(ql += N, qr += N + 1; ql < qr; ql >>= 1, qr >>= 1) {
            if(ql & 1) res = max(t[ql++], res);
            if(qr & 1) res = max(t[--qr], res);
        }
        return res;
    }
};
struct DSU {
    vector<int> p, r;
    DSU(int n) {
        p.assign(n, 0);
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 8 / 8
• Subtask 3: 34 / 34
• Subtask 4: 51 / 51