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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#138606#5466. Permutation Compressionammardab3an#WA 2ms5604kbC++172.8kb2023-08-12 01:31:032023-08-12 01:31:04

Judging History

你现在查看的是最新测评结果

  • [2023-08-12 01:31:04]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:5604kb
  • [2023-08-12 01:31:03]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

using ll = long long;

const ll N = 2e5 + 10;

ll st[4 * N], st1[4 * N];
vector<int> a, b, c;

void build(int v, int l, int r) {
	if (l == r) {
		st[v] = a[l];
		st1[v] = 1;
	}
	else {
		int mid = (l + r) / 2;
		build(2 * v, l, mid);
		build(2 * v + 1, mid + 1, r);
		st[v] = max(st[2 * v], st[2 * v + 1]);
		st1[v] = st1[2 * v] + st1[2 * v + 1];
	}
}

int query(int v, int l, int r, int tl, int tr) {
	if (tl > r || tr < l) return 0;
	if (tl <= l && tr >= r) return st[v];
	int mid = (l + r) / 2;
	int f = query(2 * v, l, mid, tl, tr);
	int s = query(2 * v + 1, mid + 1, r, tl, tr);
	return max(f, s);
}

int query1(int v, int l, int r, int tl, int tr) {
	if (tl > r || tr < l) return 0;
	if (tl <= l && tr >= r) return st1[v];
	int mid = (l + r) / 2;
	int f = query1(2 * v, l, mid, tl, tr);
	int s = query1(2 * v + 1, mid + 1, r, tl, tr);
	return f + s;
}

void del(int v, int l, int r, int idx) {
	if (l == r) {
		st[v] = 0;
		st1[v] = 0;
		return;
	}
	int mid = (l + r) / 2;
	if (idx <= mid) del(2 * v, l, mid, idx);
	else del(2 * v + 1, mid + 1, r, idx);
	st[v] = max(st[2 * v], st[2 * v + 1]);
	st1[v] = st1[2 * v] + st1[2 * v + 1];
}

int main() {

	ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);

	int t;
	cin >> t;

	while (t--) {

		int n, m, k;
		cin >> n >> m >> k;

		a.clear();
		a.resize(n);
		b.clear();
		b.resize(m);
		c.clear();
		c.resize(k);

		for (int& x : a) cin >> x;
		for (int& x : b) cin >> x;
		for (int& x : c) cin >> x;

		sort(c.begin(), c.end());

		set<int> temp(b.begin(), b.end());
		vector<int> d;
		int j = 0;
		for (int i = 0; i < n; i++) {
			if (!temp.count(a[i])) d.push_back(a[i]);
			else {
				if (a[i] != b[j++]) {
					return cout << "NO\n", 0;
				}
			}
		}

		sort(d.begin(), d.end(), greater<int>());

		build(1, 0, n - 1);


		vector<int> idx(n + 1, 0);
		vector<ll>need;
		for (int i = 0; i < n; i++) idx[a[i]] = i;

		for (int x : d) {

			int nxt = idx[x], prev = idx[x];
			int l = idx[x], r = n - 1;
			while (l <= r) {
				int mid = (l + r) / 2;
				if (query(1, 0, n - 1, idx[x], mid) <= x) {
					nxt = mid;
					l = mid + 1;
				}
				else r = mid - 1;
			}

			l = 0, r = idx[x];
			while (l <= r) {
				int mid = (l + r) / 2;
				if (query(1, 0, n - 1, mid, idx[x]) <= x) {
					prev = mid;
					r = mid - 1;
				}
				else l = mid + 1;
			}

			int len = query1(1, 0, n - 1, prev, nxt);

			need.emplace_back(len);
			del(1, 0, n - 1, idx[x]);

		}
		bool ok = 1;
		sort(need.begin(), need.end());
		for (int i = 0, j = 0; i < need.size(); i++) {
			if (j == c.size() || c[j] > need[i]) {
				ok = 0;
				break;
			}
			j++;
		}

		if (ok) cout << "YES\n";
		else cout << "NO\n";

	}
}

详细

Test #1:

score: 100
Accepted
time: 2ms
memory: 5604kb

input:

3
5 2 3
5 1 3 2 4
5 2
1 2 4
5 5 5
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
3 2 2
3 1 2
3 2
2 3

output:

YES
YES
NO

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 1ms
memory: 5600kb

input:

100
2 1 2
2 1
2
1 1
2 1 2
1 2
1
2 2
2 1 1
1 2
1
2
6 1 5
3 4 2 5 6 1
3
5 2 1 1 1
6 1 6
2 1 3 6 4 5
1
4 1 2 2 1 4
3 3 2
2 1 3
2 1 3
2 2
1 1 1
1
1
1
1 1 1
1
1
1
2 1 2
2 1
2
1 2
4 4 3
2 1 3 4
2 1 3 4
4 3 1
1 1 1
1
1
1
6 5 1
6 2 5 4 3 1
6 2 4 3 1
4
1 1 1
1
1
1
6 5 3
3 6 1 4 5 2
3 6 1 4 2
3 3 4
4 3 4
3 4 ...

output:

YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
YES
YES
NO
NO

result:

wrong answer 46th lines differ - expected: 'YES', found: ''