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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
#726652#8338. Quad Kingdoms ChessbeamishboysWA 36ms7688kbC++232.4kb2024-11-09 05:09:192024-11-09 05:09:20

Judging History

你现在查看的是最新测评结果

  • [2024-11-09 05:09:20]
  • 评测
  • 测评结果:WA
  • 用时:36ms
  • 内存:7688kb
  • [2024-11-09 05:09:19]
  • 提交

answer

#include <iostream>
#include <vector>
#include <random>
#include <algorithm>
using namespace std;
using ll = long long;

const int bs = 3;
const int mn = 2e5+5;
const ll mod = 1e9+7;

mt19937_64 rng;

int vals[2][mn];
ll hashes[mn];
vector<pair<int, int>> blocks[2][mn/bs];
int n[2];

ll fix(ll n) {
	return n;
}

void rebuild(int block, int o) {
	int start = bs*block;
	int blen = min(bs, n[o]-start);
	//cout << "rebuild " << block << ' ' << o << ' ' << start << ' ' << blen << endl;
	blocks[o][block].clear();
	//cout << "clear" << endl;
	for (int i = 0; i < blen; i++) {
		int val = vals[o][i+start];
		//cout << "read  " << val  << endl;
		while (blocks[o][block].size() && val > blocks[o][block].back().first) blocks[o][block].pop_back();
		//cout << "remove  " << val  << endl;
		ll s = blocks[o][block].size() ? blocks[o][block].back().second : 0;
		blocks[o][block].push_back({val, fix(hashes[val] + s)});
		//cout << "push  " << val  << endl;
	}
}

ll query(int o) {
	int blockCnt = (n[o]+bs-1)/bs;
	ll hi = 0;
	ll out = 0;
	for (int i = blockCnt-1; i >= 0; i--) {
		auto ub = upper_bound(blocks[o][i].begin(), blocks[o][i].end(), pair<int, int>{ hi, -1 }, [&](auto a, auto b) { return a > b; });
		//for (auto [p, q] : blocks[o][i]) cout << p << ' ' << q << endl;
		//cout << endl;
		if (ub == blocks[o][i].begin()) continue;
		//cout << i << endl;
		ub = prev(ub);
		out = fix(out+ub->second);
		hi = blocks[o][i][0].first;
		//cout << out << ' ' << hi << endl;
	}
	//cout << endl;
	return out;
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	for (int i = 0; i < mn; i++) hashes[i] = rng()%mod;
	for (int i = 0; i < 2; i++) {
		cin >> n[i];
		for (int j = 0; j < n[i]; j++) cin >> vals[i][j];
		for (int j = 0; j*bs < n[i]; j++) rebuild(j, i);
	}

	int q; cin >> q;
	for (int i = 0; i < q; i++) {
		int o; cin >> o;
		o--;
		int x; cin >> x;
		x--;
		int y; cin >> y;
		vals[o][x] = y;
		rebuild(x/bs, o);
		//cout << query(0) << ' ' << query(1) << endl;
		/*for (int j = 0; j < n[o]; j++) cout << vals[o][j] << ' ';
		cout << endl;
		for (int u = 0; u < 2; u++) {
			for (int j = 0; j*bs < n[u]; j++) {
				cout << "block " << j << endl;
				for (auto [p, q] : blocks[u][j]) cout << p << ' ' << q << " - ";
				cout << endl;
			}
			cout << endl;
			query(u);
		}*/
		if (query(0) == query(1)) cout << "YES" << '\n';
		else cout << "NO" << '\n';
	}
}

详细

Test #1:

score: 100
Accepted
time: 2ms
memory: 5832kb

input:

5
1 2 3 4 5
5
5 4 3 2 1
8
1 1 5
1 4 2
1 2 4
1 5 1
1 5 5
2 1 4
2 3 5
2 5 5

output:

NO
NO
NO
YES
NO
NO
NO
YES

result:

ok 8 tokens

Test #2:

score: 0
Accepted
time: 29ms
memory: 5620kb

input:

1
2
6
2 1 1 1 1 1
200000
2 6 2
1 1 1
1 1 1
1 1 2
2 1 1
1 1 2
1 1 1
2 4 1
2 1 2
1 1 1
1 1 2
2 5 1
1 1 1
1 1 2
1 1 1
2 6 1
1 1 2
1 1 2
1 1 2
2 3 1
1 1 1
2 1 1
2 6 2
1 1 2
2 4 1
1 1 2
2 6 1
1 1 2
1 1 1
2 5 2
2 6 2
1 1 1
2 4 2
2 5 2
2 6 2
1 1 1
2 5 1
2 6 2
1 1 2
1 1 1
1 1 1
2 4 1
1 1 2
1 1 2
1 1 2
2 3 2...

output:

NO
NO
NO
NO
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
N...

result:

ok 200000 tokens

Test #3:

score: 0
Accepted
time: 25ms
memory: 5832kb

input:

6
2 1 1 2 1 2
1
1
200000
2 1 1
1 1 2
1 1 1
2 1 2
2 1 1
2 1 1
2 1 2
2 1 2
1 1 2
1 3 1
1 6 2
1 5 2
1 4 2
1 3 1
2 1 2
1 4 2
1 4 2
2 1 2
2 1 2
1 3 1
1 6 1
1 1 2
2 1 1
1 6 1
1 3 1
1 5 2
1 6 2
1 5 2
2 1 2
1 2 1
1 5 2
2 1 1
2 1 1
1 6 1
2 1 2
2 1 1
1 3 2
2 1 1
1 6 1
1 4 2
1 2 1
1 1 1
2 1 1
1 2 1
1 6 2
1 6 2...

output:

NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
...

result:

ok 200000 tokens

Test #4:

score: -100
Wrong Answer
time: 36ms
memory: 7688kb

input:

6
1 3 1 2 1 2
6
2 1 3 3 3 1
200000
2 4 2
1 2 1
1 6 2
2 3 2
1 1 1
1 6 2
1 6 2
1 3 2
2 6 1
2 4 3
1 1 2
2 5 2
2 6 2
2 3 1
1 4 3
1 3 1
2 5 2
2 4 2
2 1 3
1 1 1
2 2 2
2 4 2
1 5 3
1 6 3
2 6 3
1 5 3
2 5 3
2 4 1
2 4 2
1 1 2
1 6 1
2 6 1
1 2 3
1 1 3
1 1 1
2 6 3
2 4 1
1 4 2
2 2 1
1 3 1
1 1 3
1 1 3
1 4 3
1 3 3
2...

output:

NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
...

result:

wrong answer 27th words differ - expected: 'YES', found: 'NO'