제출 #947030

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
947030	2024-03-15 11:34:15	alextodoran	Security Guard (JOI23_guard)	C++17	100 / 100	728 ms	81084 KiB

guard

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/**
 _  _   __  _ _ _  _  _ _
 |a  ||t  ||o    d | |o  |
| __    _| | _ | __|  _ |
| __ |/_  | __  /__\ / _\|
**/
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N_MAX = 200000;
const int M_MAX = 400000;
int N, M, Q;
int S[N_MAX + 2];
int edge_u[M_MAX + 2], edge_v[M_MAX + 2];
int order[M_MAX + 2];
int leader[N_MAX + 2];
int find_leader (int u) {
    return (leader[u] == 0 ? u : leader[u] = find_leader(leader[u]));
}
bool join (int u, int v) {
    u = find_leader(u);
    v = find_leader(v);
 
 
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