Submission #746842

#	Time	Username	Problem	Language	Result	Execution time	Memory
746842		tutis	Game (APIO22_game)	C++17	60 / 100	4075 ms	43784 KiB

game

#include <bits/stdc++.h>
using namespace std;
const int N = 300000;
int K;

vector<int>adj[N];
vector<int>adj_[N];
int mn[N];
void init(int n, int k) {
	K = k;
	for (int i = 0; i < n; i++)
		mn[i] = k;
}

int add_teleporter(int u, int v) {
	adj[u].push_back(v);
	adj_[v].push_back(u);
	int x = min(v, mn[v]);
	int ret = 0;
	function<void(int)>dfs = [&](int i) {
		if (x >= mn[i])
			return;
		mn[i] = x;
		if (i < K && x <= i) {
			ret = 1;
		}
		for (int j : adj_[i]) {
			dfs(j);
		}
	};
	dfs(u);
	return ret;
}

• Subtask 1: 2 / 2
• Subtask 2: 10 / 10
• Subtask 3: 18 / 18
• Subtask 4: 30 / 30
• Subtask 5: 0 / 40