Submission #1316503

#	Time	Username	Problem	Language	Result	Execution time	Memory
1316503		pvpro	Card Collection (JOI24_collection)	C++20	0 / 100	1 ms	332 KiB

Main

#ifndef LOCAL
#pragma GCC Optimize("O3,Ofast,unroll-loops")
#pragma GCC Target("bmi,bmi2,avx,avx2")
#endif
#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;

#define int ll

#define f first 
#define s second 
#define mp make_pair 
#define pb push_back
#define pii pair<int, int>
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin() (x).rend()
#ifndef LOCAL
#define endl "\n"
#endif

mt19937 rnd(11);

void solve() {
    int n, m;
	cin >> n >> m;
	vector<pii> a(n);
	for (int i = 0; i < n; ++i) {
		cin >> a[i].f >> a[i].s;
	}
	for (int i = 0; i < m; ++i) {
		int x, y;
		cin >> x >> y;
		vector<int> dp(9);
		vector<pii> b = a;
		for (auto &p : b) {
			if (p.f > x) {
				p.f = 2;
			} else if (p.f == x) {
				p.f = 1;
			} else {
				p.f = 0;
			}
			if (p.s > y) {
				p.s = 2;
			} else if (p.s == y) {
				p.s = 1;
			} else {
				p.s = 0;
			}
		}
		dp[3 * b[0].f + b[0].s] = 1;
		for (int j = 1; j < n; ++j) {
			vector<int> dp2(9);
			for (int x = 0; x < 3; ++x) {
				for (int y = 0; y < 3; ++y) {
					if (!dp[x * 3 + y]) {
						continue;
					}
					dp2[max(x, b[j].f) * 3 + max(y, b[j].s)] = 1;
					dp2[min(x, b[j].f) * 3 + min(y, b[j].s)] = 1;
				}
			}
			dp = dp2;
		}
		if (dp[4]) {
			cout << i + 1 << ' ';
		}
	}
	cout << endl;
}

signed main() {
    #ifdef LOCAL
        freopen("in.txt", "r", stdin);
        freopen("out.txt", "w", stdout);
    #else
        ios::sync_with_stdio(false);
        cin.tie(0);
    #endif
    int t = 1;
    // cin >> t;
    while (t--) {
        solve();
    }
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 38
• Subtask 3: 0 / 22
• Subtask 4: 0 / 29