oj.uz

Submission #471170

# Submission time Handle Problem Language Result Execution time Memory
471170 2021-09-07T15:27:14 Z apostoldaniel854 Financial Report (JOI21_financial) C++14
100 / 100
 874 ms 26484 KB 
#include <bits/stdc++.h>

using namespace std;

struct node_info {
    int mx;
    node_info(int value = 0) {
        this->mx = value;
    }
    node_info operator + (node_info other) const {
        node_info RES;
        RES.mx = max(mx, other.mx);
        return RES;
    }
};

class SegTree {
private:
    vector <node_info> seg;
    int n;
public:
    SegTree(int n) {
        seg.resize(1 + 4 * n);
        this->n = n;
    }
    void update_pos(int node, int lb, int rb, int pos, node_info val) {
        if (lb == rb) {
            seg[node] = val;
            return;
        }
        int mid = (lb + rb) / 2, lnode = node * 2, rnode = node * 2 + 1;
        if (pos <= mid)
            update_pos(lnode, lb, mid, pos, val);
        else
            update_pos(rnode, mid + 1, rb, pos, val);
        seg[node] = seg[lnode] + seg[rnode];
    }
    void update_pos(int pos, node_info val) {
        update_pos(1, 1, n, pos, val);
    }
    node_info query_range(int node, int lb, int rb, int ql, int qr) {
        if (lb == ql && rb == qr)
            return seg[node];
        int mid = (lb + rb) / 2, lnode = node * 2, rnode = node * 2 + 1;
        if (ql <= mid && qr <= mid)
            return query_range(lnode, lb, mid, ql, qr);
        else if (mid + 1 <= ql && mid + 1 <= qr)
            return query_range(rnode, mid + 1, rb, ql, qr);
        else
            return query_range(lnode, lb, mid, ql, mid) + query_range(rnode, mid + 1, rb, mid + 1, qr);
    }
    node_info query_range(int ql, int qr) {
        if (ql > qr)
            return node_info();
        return query_range(1, 1, n, ql, qr);
    }
};

const int MAX_N = 3e5;

int a[1 + MAX_N];

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    int n, D;
    cin >> n >> D;
    for (int i = 1; i <= n; i++)
        cin >> a[i];

    vector <int> order(n);
    iota(order.begin(), order.end(), 1);
    sort(order.begin(), order.end(), [&](int x, int y) {
        if (a[x] != a[y])
            return a[x] < a[y];
        return x > y;
    });

    set <int> stk;
    stk.insert(0);
    stk.insert(n + 1);
    SegTree dp(n);
    set <int> blocked;
    for (int i = 1; i <= n - D; i++)
        blocked.insert(i);
    for (int i : order) {
        auto it = stk.lower_bound(i);
        int nxt = *it, prv = *prev(it);
        if (nxt - prv > D) {
            if (nxt - i <= D) {
                for (int j = i; j <= nxt; j++)
                    blocked.erase(j);
            }
            if (i - prv <= D)
                for (int j = prv; j <= i; j++)
                    blocked.erase(j);
        }

        it = blocked.lower_bound(i);
        int bound;
        if (it == blocked.begin())
            bound = 1;
        else
            bound = *prev(it);
        int best = dp.query_range(bound, i).mx;
        dp.update_pos(i, node_info(best + 1));
        stk.insert(i);
    }
    cout << dp.query_range(1, 1, n, 1, n).mx << "\n";

    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 320 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 320 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 320 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 320 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 320 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 320 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 320 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 320 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 12 ms 936 KB Output is correct
42 Correct 9 ms 844 KB Output is correct
43 Correct 9 ms 844 KB Output is correct
44 Correct 9 ms 808 KB Output is correct
45 Correct 7 ms 844 KB Output is correct
46 Correct 6 ms 844 KB Output is correct
47 Correct 8 ms 844 KB Output is correct
48 Correct 9 ms 844 KB Output is correct
49 Correct 8 ms 844 KB Output is correct
50 Correct 8 ms 844 KB Output is correct
51 Correct 8 ms 844 KB Output is correct
52 Correct 9 ms 880 KB Output is correct
53 Correct 6 ms 876 KB Output is correct
54 Correct 6 ms 844 KB Output is correct
55 Correct 7 ms 844 KB Output is correct
56 Correct 8 ms 844 KB Output is correct
57 Correct 7 ms 844 KB Output is correct
58 Correct 6 ms 876 KB Output is correct
59 Correct 5 ms 844 KB Output is correct
60 Correct 7 ms 844 KB Output is correct
61 Correct 6 ms 844 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 378 ms 24348 KB Output is correct
2 Correct 431 ms 26048 KB Output is correct
3 Correct 675 ms 26436 KB Output is correct
4 Correct 874 ms 26476 KB Output is correct
5 Correct 625 ms 25984 KB Output is correct
6 Correct 848 ms 26484 KB Output is correct
7 Correct 380 ms 24184 KB Output is correct
8 Correct 394 ms 24260 KB Output is correct
9 Correct 352 ms 24344 KB Output is correct
10 Correct 352 ms 24344 KB Output is correct
11 Correct 543 ms 24532 KB Output is correct
12 Correct 568 ms 24572 KB Output is correct
13 Correct 621 ms 24416 KB Output is correct
14 Correct 760 ms 24456 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 249 ms 24764 KB Output is correct
2 Correct 359 ms 24204 KB Output is correct
3 Correct 454 ms 24384 KB Output is correct
4 Correct 459 ms 24260 KB Output is correct
5 Correct 373 ms 24288 KB Output is correct
6 Correct 477 ms 24288 KB Output is correct
7 Correct 256 ms 24284 KB Output is correct
8 Correct 263 ms 24356 KB Output is correct
9 Correct 211 ms 24132 KB Output is correct
10 Correct 297 ms 24372 KB Output is correct
11 Correct 461 ms 24248 KB Output is correct
12 Correct 371 ms 24284 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 320 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 320 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 320 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 12 ms 936 KB Output is correct
42 Correct 9 ms 844 KB Output is correct
43 Correct 9 ms 844 KB Output is correct
44 Correct 9 ms 808 KB Output is correct
45 Correct 7 ms 844 KB Output is correct
46 Correct 6 ms 844 KB Output is correct
47 Correct 8 ms 844 KB Output is correct
48 Correct 9 ms 844 KB Output is correct
49 Correct 8 ms 844 KB Output is correct
50 Correct 8 ms 844 KB Output is correct
51 Correct 8 ms 844 KB Output is correct
52 Correct 9 ms 880 KB Output is correct
53 Correct 6 ms 876 KB Output is correct
54 Correct 6 ms 844 KB Output is correct
55 Correct 7 ms 844 KB Output is correct
56 Correct 8 ms 844 KB Output is correct
57 Correct 7 ms 844 KB Output is correct
58 Correct 6 ms 876 KB Output is correct
59 Correct 5 ms 844 KB Output is correct
60 Correct 7 ms 844 KB Output is correct
61 Correct 6 ms 844 KB Output is correct
62 Correct 378 ms 24348 KB Output is correct
63 Correct 431 ms 26048 KB Output is correct
64 Correct 675 ms 26436 KB Output is correct
65 Correct 874 ms 26476 KB Output is correct
66 Correct 625 ms 25984 KB Output is correct
67 Correct 848 ms 26484 KB Output is correct
68 Correct 380 ms 24184 KB Output is correct
69 Correct 394 ms 24260 KB Output is correct
70 Correct 352 ms 24344 KB Output is correct
71 Correct 352 ms 24344 KB Output is correct
72 Correct 543 ms 24532 KB Output is correct
73 Correct 568 ms 24572 KB Output is correct
74 Correct 621 ms 24416 KB Output is correct
75 Correct 760 ms 24456 KB Output is correct
76 Correct 249 ms 24764 KB Output is correct
77 Correct 359 ms 24204 KB Output is correct
78 Correct 454 ms 24384 KB Output is correct
79 Correct 459 ms 24260 KB Output is correct
80 Correct 373 ms 24288 KB Output is correct
81 Correct 477 ms 24288 KB Output is correct
82 Correct 256 ms 24284 KB Output is correct
83 Correct 263 ms 24356 KB Output is correct
84 Correct 211 ms 24132 KB Output is correct
85 Correct 297 ms 24372 KB Output is correct
86 Correct 461 ms 24248 KB Output is correct
87 Correct 371 ms 24284 KB Output is correct
88 Correct 725 ms 25188 KB Output is correct
89 Correct 757 ms 24800 KB Output is correct
90 Correct 732 ms 24416 KB Output is correct
91 Correct 612 ms 24440 KB Output is correct
92 Correct 430 ms 24300 KB Output is correct
93 Correct 517 ms 24344 KB Output is correct
94 Correct 485 ms 24388 KB Output is correct
95 Correct 654 ms 24796 KB Output is correct
96 Correct 675 ms 24360 KB Output is correct
97 Correct 694 ms 24348 KB Output is correct
98 Correct 651 ms 24336 KB Output is correct
99 Correct 574 ms 24316 KB Output is correct
100 Correct 562 ms 24260 KB Output is correct
101 Correct 346 ms 24260 KB Output is correct
102 Correct 351 ms 24260 KB Output is correct
103 Correct 372 ms 24408 KB Output is correct
104 Correct 386 ms 24244 KB Output is correct
105 Correct 476 ms 24308 KB Output is correct
106 Correct 446 ms 24344 KB Output is correct
107 Correct 473 ms 24328 KB Output is correct
108 Correct 567 ms 24328 KB Output is correct
109 Correct 589 ms 24252 KB Output is correct
110 Correct 673 ms 24388 KB Output is correct
111 Correct 687 ms 24348 KB Output is correct
112 Correct 447 ms 24256 KB Output is correct
113 Correct 511 ms 24244 KB Output is correct
114 Correct 576 ms 24260 KB Output is correct
115 Correct 243 ms 24344 KB Output is correct
116 Correct 239 ms 24244 KB Output is correct
117 Correct 349 ms 24388 KB Output is correct
118 Correct 348 ms 24272 KB Output is correct
119 Correct 384 ms 24324 KB Output is correct
120 Correct 384 ms 24292 KB Output is correct