Submission #702937

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
702937	2023-02-25 10:50:51	piOOE	Jail (JOI22_jail)	C++17	61 / 100	5079 ms	33552 KiB

jail

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
struct staticLCA {
    vector<int> depth, ord, tin;
    vector<vector<int>> st;
    int n{}, root = 0;
    void dfs(int v, int p, vector<vector<int>> &g) {
        if (v != root) {
            depth[v] = depth[p] + 1;
        }
        tin[v] = ord.size();
        ord.push_back(v);
        for (int to: g[v]) {
            if (to != p) {
                dfs(to, v, g);
                ord.push_back(v);
            }
        }
    }
    int func(int a, int b) {
        return depth[a] < depth[b] ? a : b;
    }
    staticLCA(vector<vector<int>> &g, int _root = 0) {
 
 
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