oj.uz

Submission #894629

# Submission time Handle Problem Language Result Execution time Memory
894629 2023-12-28T14:37:15 Z IWKR Examination (JOI19_examination) C++17
100 / 100
 524 ms 67876 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

pair<int, int> arr[100001];

bool cmp(pair<int, int> a, pair<int, int> b) {
    return a.first + a.second < b.first + b.second;
}

struct node {
    int s, e, m;
    vector<int> v;
    vector<int> v2;
    node *l, *r;
    node(int S, int E) {
        s = S;
        e = E;
        m = (s + e) / 2;
        if (s != e) {
            l = new node(s, m);
            r = new node(m + 1, e);
        }
    }
    void update(int X, int V, int V2) {
        v.push_back(V);
        v2.push_back(V2);
        if (X == e) {
            sort(v.begin(), v.end());
            sort(v2.begin(), v2.end());
        }
        if (s != e) {
            if (X <= m) {
                l -> update(X, V, V2);
            } else {
                r -> update(X, V, V2);
            }
        }
    }
    int query(int S, int E, int X, int Y) {
        if (s == S && e == E) {
            int a = lower_bound(v.begin(), v.end(), X) - v.begin();
            int b = lower_bound(v2.begin(), v2.end(), Y) - v2.begin();
            return a + b;
        } else {
            if (E <= m) {
                return l -> query(S, E, X, Y);
            } else if (S > m) {
                return r -> query(S, E, X, Y);
            } else {
                return l -> query(S, m, X, Y) + r -> query(m + 1, E, X, Y);
            }
        }
    }
} *root;

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n, q;
    cin >> n >> q;
    root = new node(0, n - 1);
    for (int i = 0; i < n; i++) {
        cin >> arr[i].first >> arr[i].second;
    }
    sort(arr, arr + n, cmp);
    for (int i = 0; i < n; i++) {
        root -> update(i, arr[i].first, arr[i].second);
    }
    while (q--) {
        int a, b, c;
        cin >> a >> b >> c;
        c = max(c, a + b);
        int low = -1;
        int high = n - 1;
        while (high - low > 1) {
            int mid = (high + low) / 2;
            if (arr[mid].first + arr[mid].second < c) {
                low = mid;
            } else {
                high = mid;
            }
        }
        if (arr[high].first + arr[high].second < c) {
            cout << 0 << '\n';
            continue;
        }
        int ans = n - high;
        cout << ans - root -> query(high, n - 1, a, b) << '\n';
    }
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 7 ms 2140 KB Output is correct
8 Correct 7 ms 2136 KB Output is correct
9 Correct 8 ms 2236 KB Output is correct
10 Correct 5 ms 2136 KB Output is correct
11 Correct 6 ms 2136 KB Output is correct
12 Correct 5 ms 1884 KB Output is correct
13 Correct 7 ms 2140 KB Output is correct
14 Correct 7 ms 2136 KB Output is correct
15 Correct 7 ms 2140 KB Output is correct
16 Correct 5 ms 1980 KB Output is correct
17 Correct 5 ms 2136 KB Output is correct
18 Correct 3 ms 1884 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 468 ms 65064 KB Output is correct
2 Correct 473 ms 64972 KB Output is correct
3 Correct 524 ms 65008 KB Output is correct
4 Correct 334 ms 64296 KB Output is correct
5 Correct 364 ms 64844 KB Output is correct
6 Correct 198 ms 63520 KB Output is correct
7 Correct 413 ms 65324 KB Output is correct
8 Correct 403 ms 64904 KB Output is correct
9 Correct 369 ms 65064 KB Output is correct
10 Correct 281 ms 64164 KB Output is correct
11 Correct 262 ms 64148 KB Output is correct
12 Correct 113 ms 63272 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 468 ms 65064 KB Output is correct
2 Correct 473 ms 64972 KB Output is correct
3 Correct 524 ms 65008 KB Output is correct
4 Correct 334 ms 64296 KB Output is correct
5 Correct 364 ms 64844 KB Output is correct
6 Correct 198 ms 63520 KB Output is correct
7 Correct 413 ms 65324 KB Output is correct
8 Correct 403 ms 64904 KB Output is correct
9 Correct 369 ms 65064 KB Output is correct
10 Correct 281 ms 64164 KB Output is correct
11 Correct 262 ms 64148 KB Output is correct
12 Correct 113 ms 63272 KB Output is correct
13 Correct 421 ms 65564 KB Output is correct
14 Correct 488 ms 65316 KB Output is correct
15 Correct 519 ms 65108 KB Output is correct
16 Correct 311 ms 64632 KB Output is correct
17 Correct 326 ms 64672 KB Output is correct
18 Correct 233 ms 63528 KB Output is correct
19 Correct 426 ms 65364 KB Output is correct
20 Correct 452 ms 65444 KB Output is correct
21 Correct 423 ms 65532 KB Output is correct
22 Correct 262 ms 64296 KB Output is correct
23 Correct 265 ms 64068 KB Output is correct
24 Correct 111 ms 63160 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 7 ms 2140 KB Output is correct
8 Correct 7 ms 2136 KB Output is correct
9 Correct 8 ms 2236 KB Output is correct
10 Correct 5 ms 2136 KB Output is correct
11 Correct 6 ms 2136 KB Output is correct
12 Correct 5 ms 1884 KB Output is correct
13 Correct 7 ms 2140 KB Output is correct
14 Correct 7 ms 2136 KB Output is correct
15 Correct 7 ms 2140 KB Output is correct
16 Correct 5 ms 1980 KB Output is correct
17 Correct 5 ms 2136 KB Output is correct
18 Correct 3 ms 1884 KB Output is correct
19 Correct 468 ms 65064 KB Output is correct
20 Correct 473 ms 64972 KB Output is correct
21 Correct 524 ms 65008 KB Output is correct
22 Correct 334 ms 64296 KB Output is correct
23 Correct 364 ms 64844 KB Output is correct
24 Correct 198 ms 63520 KB Output is correct
25 Correct 413 ms 65324 KB Output is correct
26 Correct 403 ms 64904 KB Output is correct
27 Correct 369 ms 65064 KB Output is correct
28 Correct 281 ms 64164 KB Output is correct
29 Correct 262 ms 64148 KB Output is correct
30 Correct 113 ms 63272 KB Output is correct
31 Correct 421 ms 65564 KB Output is correct
32 Correct 488 ms 65316 KB Output is correct
33 Correct 519 ms 65108 KB Output is correct
34 Correct 311 ms 64632 KB Output is correct
35 Correct 326 ms 64672 KB Output is correct
36 Correct 233 ms 63528 KB Output is correct
37 Correct 426 ms 65364 KB Output is correct
38 Correct 452 ms 65444 KB Output is correct
39 Correct 423 ms 65532 KB Output is correct
40 Correct 262 ms 64296 KB Output is correct
41 Correct 265 ms 64068 KB Output is correct
42 Correct 111 ms 63160 KB Output is correct
43 Correct 448 ms 67876 KB Output is correct
44 Correct 480 ms 67504 KB Output is correct
45 Correct 466 ms 67368 KB Output is correct
46 Correct 335 ms 65784 KB Output is correct
47 Correct 309 ms 65816 KB Output is correct
48 Correct 179 ms 63448 KB Output is correct
49 Correct 416 ms 67372 KB Output is correct
50 Correct 446 ms 67388 KB Output is correct
51 Correct 386 ms 67184 KB Output is correct
52 Correct 256 ms 65928 KB Output is correct
53 Correct 271 ms 64808 KB Output is correct