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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#162038#7108. Couleurucup-team1198#AC ✓1606ms65744kbC++204.1kb2023-09-03 03:44:392023-09-03 03:44:41

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你现在查看的是最新测评结果

  • [2023-09-03 03:44:41]
  • 评测
  • 测评结果:AC
  • 用时:1606ms
  • 内存:65744kb
  • [2023-09-03 03:44:39]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;
#define ll long long
#define pii pair<int, int>
#define ld long double
#define all(a) (a).begin(), (a).end()

struct Node{
    int sum;
    int left;
    int right;
    Node(): sum(0), left(-1), right(-1) {};
    Node(int sum): sum(sum), left(-1), right(-1) {};
};

Node nodes[5'000'000];
int nodes_cnt = 0;

int node(int sum) {
    nodes[nodes_cnt] = Node(sum);
    ++nodes_cnt;
    return nodes_cnt - 1;
}

int build(int left, int right) {
    int ans = node(0);
    if (left + 1 == right)
        return ans;
    int mid = (left + right) / 2;
    nodes[ans].left = build(left, mid);
    nodes[ans].right = build(mid, right);
    return ans;
}

int add(int t, int left, int right, int i, int val) {
    int ans = node(nodes[t].sum + val);
    if (left + 1 == right)
        return ans;
    int mid = (left + right) / 2;
    nodes[ans].left = nodes[t].left;
    nodes[ans].right = nodes[t].right;
    if (i < mid)
        nodes[ans].left = add(nodes[t].left, left, mid, i, val);
    else
        nodes[ans].right = add(nodes[t].right, mid, right, i, val);
    return ans;
}

int get_sum(int t1, int t2, int left, int right, int x, int y) {
    if (y <= left || right <= x)
        return 0;
    if (x <= left && right <= y)
        return nodes[t2].sum - nodes[t1].sum;
    int mid = (left + right) / 2;
    return get_sum(nodes[t1].left, nodes[t2].left, left, mid, x, y) +
    get_sum(nodes[t1].right, nodes[t2].right, mid, right, x, y);
}

void solve() {
    nodes_cnt = 0;
    int n;
    cin >> n;
    vector<int> A(n);
    for (int i = 0; i < n; ++i) {
        cin >> A[i];
        --A[i];
    }
    vector<int> trees(n + 1);
    trees[0] = build(0, n);
    for (int i = 0; i < n; ++i)
        trees[i + 1] = add(trees[i], 0, n, A[i], 1);
    long long cur_sum = 0;
    for (int i = 0; i < n; ++i)
        cur_sum += get_sum(trees[0], trees[i], 0, n, A[i] + 1, n);
    multiset<long long> all_vals;
    all_vals.emplace(cur_sum);
    map<pair<int, int>, long long> cur_segms;
    cur_segms[make_pair(0, n)] = cur_sum;
    for (int _ = 0; _ < n; ++_) {
        long long pre = *all_vals.rbegin();
        cout << pre;
        if (_ + 1 != n)
            cout << ' ';
        long long z;
        cin >> z;
        long long i = z ^ pre;
        --i;
        //cerr << "i: " << i << '\n';
        auto tmp = --cur_segms.lower_bound(make_pair(i + 1, i + 1));
        auto [l, r] = tmp->first;
        long long was = tmp->second;
        cur_segms.erase(tmp);
        all_vals.erase(all_vals.find(was));
        if (i - l <= r - i - 1) {
            long long new_val = 0;
            for (int j = l; j < i; ++j) {
                was -= get_sum(trees[j], trees[r], 0, n, 0, A[j]);
                new_val += get_sum(trees[l], trees[j], 0, n, A[j] + 1, n);
            }
            was -= get_sum(trees[i], trees[r], 0, n, 0, A[i]);
            if (i + 1 != r) {
                cur_segms[make_pair(i + 1, r)] = was;
                all_vals.emplace(was);
                //cout << i + 1 << ',' << r << ' ' << was << '\n';
            }
            if (i != l) {
                cur_segms[make_pair(l, i)] = new_val;
                all_vals.emplace(new_val);
                //cout << l << ',' << i << ' ' << new_val << '\n';
            }
        } else {
            long long new_val = 0;
            for (int j = r - 1; j > i; --j) {
                was -= get_sum(trees[l], trees[j], 0, n, A[j] + 1, n);
                new_val += get_sum(trees[j], trees[r], 0, n, 0, A[j]);
            }
            was -= get_sum(trees[l], trees[i], 0, n, A[i] + 1, n);
            if (i + 1 != r) {
                cur_segms[make_pair(i + 1, r)] = new_val;
                all_vals.emplace(new_val);
                //cout << i + 1 << ',' << r << ' ' << new_val << '\n';
            }
            if (i != l) {
                cur_segms[make_pair(l, i)] = was;
                all_vals.emplace(was);
                //cout << l << ',' << i << ' ' << was << '\n';
            }
        }
    }
    cout << '\n';
}

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int t;
    cin >> t;
    while (t--) {
        solve();
    }
    return 0;
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 62180kb

input:

3
5
4 3 1 1 1
5 4 5 3 1
10
9 7 1 4 7 8 5 7 4 8
21 8 15 5 9 2 4 5 10 6
15
4 8 8 1 12 1 10 14 7 14 2 9 13 10 3
37 19 23 15 7 2 10 15 2 13 4 5 8 7 10

output:

7 0 0 0 0
20 11 7 2 0 0 0 0 0 0
42 31 21 14 14 4 1 1 1 0 0 0 0 0 0

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 1606ms
memory: 65744kb

input:

11116
10
10 5 10 3 6 4 8 5 9 8
31 27 24 11 12 3 0 2 3 1
10
8 2 7 2 8 10 1 10 9 10
6 5 2 13 2 1 0 1 3 1
10
7 10 7 6 1 3 10 6 7 9
21 18 10 1 6 5 4 8 9 10
10
2 10 4 8 8 5 7 2 6 7
20 10 9 1 15 0 4 2 9 7
10
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
10
1 2 3 4 5 6 7 8 9 10
6 3 5 2 7 10 9 1 4 8
10
1 10 1 3...

output:

21 18 16 12 10 6 4 1 1 0
12 12 10 10 4 4 4 2 1 0
20 16 9 5 3 3 3 0 0 0
22 14 8 8 5 5 2 1 1 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
19 12 7 4 4 2 2 1 0 0
20 18 8 3 1 1 0 0 0 0
45 21 21 10 3 3 3 0 0 0
17 11 8 2 1 1 1 0 0 0
13 4 1 0 0 0 0 0 0 0
29 27 22 15 9 7 4 3 1 0
26 16 9 2 1 1 1 1 1 0
0 0 0 0 0 ...

result:

ok 11116 lines

Extra Test:

score: 0
Extra Test Passed