Submission #706556

#	Time	Username	Problem	Language	Result	Execution time	Memory
706556		grossly_overconfident	Game (APIO22_game)	C++17	30 / 100	4029 ms	4288 KiB

game

#include "game.h"
#include <bits/stdc++.h>
using namespace std;
vector<vector<int>> adjchart;
int K, N;


bool cycledetector4000(int i, int oi, bool f, vector<bool>& q, vector<bool>& dpcache){
	if (!f && i == oi){
		return true;
	}
	if (q[i]){
		return dpcache[i];
	}
	bool pl = false;
	q[i] = true;
	for (int j : adjchart[i]){
		pl |= cycledetector4000(j, oi, false, q, dpcache);
	}
	return dpcache[i] = pl;
}

void init(int n, int k) {
	adjchart.resize(n + 10);
	K = k;
	N = n;
	for (int i = 0; i < k - 1; ++i){
		adjchart[i].push_back(i + 1);
	}
}

int add_teleporter(int u, int v) {
	adjchart[u].push_back(v);
	vector<bool> q(N);
	vector<bool> dpcache(N);
	bool pl = false;
    for (int i = K - 1; i >= 0; --i){
		pl |= cycledetector4000(i, i, true, q, dpcache);
	}
	if (pl){
		return 1;
	}
	return 0;
}


int balls() {
	int n, k, m;
	cin >> n >> k >> m;
	init(n, k);
	for (int i = 0; i < m; ++i){
		int a, b;
		cin >> a >> b;
		cout << add_teleporter(a, b) << endl;
	}
	return 0;
}

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