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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
#226374#7327. Median on Binary TreePPP#TL 0ms13796kbC++172.4kb2023-10-25 21:40:022023-10-25 21:40:02

Judging History

你现在查看的是最新测评结果

  • [2023-10-25 21:40:02]
  • 评测
  • 测评结果:TL
  • 用时:0ms
  • 内存:13796kb
  • [2023-10-25 21:40:02]
  • 提交

answer

#ifdef DEBUG
#define _GLIBCXX_DEBUG
#endif
//#pragma GCC optimize("O3")
#include<bits/stdc++.h>
using namespace std;

#define pb push_back

typedef long long ll;
typedef long double ld;
int n;
const int maxN = 2e5 + 10;
int w[maxN];
vector<int> dp[maxN];
vector<int> sub[maxN];
int ans[maxN];
void solve() {
    for (int i = 1; i <= n; i++) {
        cin >> w[i];
    }
    for (int i = n; i >= 1; i--) {
        sub[i].emplace_back(w[i]);
        for (int j : {2 * i, 2 * i + 1}) {
            if (j > n) continue;
            for (int p : sub[j]) {
                if (p == n + 1) continue;
                sub[i].emplace_back(p);
            }
        }
        sort(sub[i].begin(), sub[i].end());
        sub[i].emplace_back(n + 1);
        dp[i].resize(sub[i].size());
        int pt_l = 0;
        int pt_r = 0;
        const int INF = -1e9;
        int Q = 0;
//        cout << i << " HI " << endl;
        for (int p : sub[i]) {
            int S = -INF;
            if (w[i] >= p) S = 1;
            else S = -1;

            if (n >= 2 * i) {
                while (sub[2 * i][pt_l] < p) pt_l++;
                assert(pt_l < sub[2 * i].size());
                S += dp[2 * i][pt_l];
            }
//            cout << " CHECK " << n << " " << i << endl;
            if (n >= 2 * i + 1) {
//                cout << pt_r << " " << sub[2 * i + 1].back() << " ??? " << " " << dp[2 * i + 1].size() << endl;
                while (sub[2 * i + 1][pt_r] < p) {
                    pt_r++;
                }
//                cout << pt_r << " HI " << endl;
                assert(pt_r < sub[2 * i + 1].size());
                S += dp[2 * i + 1][pt_r];
//                cout << " GG " << endl;
            }

//            cout << " CHECK3 " << n << " " << i << endl;
//            cout << S << " " << p << " ??? " << endl;
            if (S >= 1) {
                ans[S - 1] = max(ans[S - 1], p);
            }
            S = max(S, 0);
            dp[i][Q] = S;
            Q++;
        }
    }
    for (int i = n - 2; i >= 0; i--) ans[i] = max(ans[i], ans[i + 1]);
    ans[0] = n;
    for (int i = 0; i < n; i++) cout << ans[i] << " ";
    cout << '\n';

}
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
#ifdef DEBUG
    freopen("input.txt", "r", stdin);
#endif
    while (cin >> n) {
        solve();
    }
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 13796kb

input:

5
1 2 3 4 5
10
9 10 4 2 3 5 7 1 8 6

output:

5 2 2 1 1 
10 9 5 4 4 3 3 2 2 1 

result:

ok 15 numbers

Test #2:

score: -100
Time Limit Exceeded

input:

10
4 10 7 9 5 3 1 2 6 8
10
7 10 2 4 9 8 3 1 5 6
10
1 5 8 3 6 7 2 4 10 9
10
7 9 3 6 2 1 10 5 4 8
10
7 1 9 2 4 5 3 6 8 10
10
2 7 5 9 10 3 1 4 8 6
10
9 8 1 2 6 10 5 4 3 7
10
3 6 1 9 10 8 2 7 4 5
10
7 3 8 10 4 1 5 2 6 9
10
6 10 7 5 2 9 1 4 3 8
10
6 8 5 10 9 4 2 1 3 7
10
4 3 5 9 1 2 8 7 10 6
10
7 5 10 8 ...

output:


result: