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답안 #1079770

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1079770 2024-08-29T01:06:29 Z vjudge1 Examination (JOI19_examination) C++17
100 / 100
 2023 ms 164304 KB 
#include <iostream>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>

using namespace std;
namespace __gnu_pbds{
typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
}
using namespace __gnu_pbds;
struct QUERY {
    int x, y, z, num;
} b[100005];
struct GRADE {
    int x, y;
} a[100005];
int res[100005];
bool cmp(QUERY aa, QUERY bb) {
    return aa.x > bb.x;
}
bool cmp2(GRADE aa, GRADE bb) {
    return aa.x > bb.x;
}
ordered_set t[800005];
map<int, int> mm;
void update(int v, int tl, int tr, int x, int y) {
    if (tl == tr) {
        t[v].insert(y);
        return;
    }
    int mid = (tl + tr) / 2;
    if (mid >= x) update(v * 2, tl, mid, x, y);
    else update(v * 2 + 1, mid + 1, tr, x, y);
    t[v].insert(y);
}
int sum(int v, int tl, int tr, int l, int r, int x) {
    if (l > r) return 0;
    if (tl == l && tr == r) {
        return t[v].size() - t[v].order_of_key(x);
    }
    int mid = (tl + tr) / 2;
    return sum(v * 2, tl, mid, l, min(r, mid), x) + sum(v * 2 + 1, mid + 1, tr, max(l, mid + 1), r, x);
}
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n, q, z = 0;
    cin >> n >> q;
    vector<int> v;
    for (int i = 1; i <= n; i++) {
        cin >> a[i].x >> a[i].y;
        v.push_back(a[i].y);
    }
    sort(a + 1, a + n + 1, cmp2);
    for (int i = 0; i < q; i++) {
        cin >> b[i].x >> b[i].y >> b[i].z;
        v.push_back(b[i].y);
        b[i].num = i;
    }
    sort(v.begin(), v.end());
    for (int w : v) {
        if (!mm.count(w)) {
            mm[w] = ++z;
        }
    }
    sort(b, b + q, cmp);
    int j = 1;
    for (int i = 0; i < q; i++) {
        while (a[j].x >= b[i].x && j <= n) {
            update(1, 1, z, mm[a[j].y], a[j].x + a[j].y);
            j++;
        }
        res[b[i].num] = sum(1, 1, z, mm[b[i].y], z, b[i].z);
    }
    for (int i = 0; i < q; i++) cout << res[i] << '\n';
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 49 ms 63036 KB Output is correct
2 Correct 37 ms 63068 KB Output is correct
3 Correct 39 ms 62980 KB Output is correct
4 Correct 39 ms 62900 KB Output is correct
5 Correct 39 ms 63056 KB Output is correct
6 Correct 38 ms 63068 KB Output is correct
7 Correct 54 ms 65360 KB Output is correct
8 Correct 53 ms 65356 KB Output is correct
9 Correct 53 ms 65368 KB Output is correct
10 Correct 48 ms 63824 KB Output is correct
11 Correct 48 ms 65364 KB Output is correct
12 Correct 40 ms 63832 KB Output is correct
13 Correct 52 ms 65252 KB Output is correct
14 Correct 51 ms 65360 KB Output is correct
15 Correct 55 ms 65360 KB Output is correct
16 Correct 56 ms 65360 KB Output is correct
17 Correct 39 ms 63320 KB Output is correct
18 Correct 40 ms 63568 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1156 ms 153084 KB Output is correct
2 Correct 1167 ms 153364 KB Output is correct
3 Correct 1089 ms 153328 KB Output is correct
4 Correct 253 ms 88524 KB Output is correct
5 Correct 868 ms 153380 KB Output is correct
6 Correct 236 ms 88276 KB Output is correct
7 Correct 1148 ms 153304 KB Output is correct
8 Correct 1042 ms 150220 KB Output is correct
9 Correct 1041 ms 150180 KB Output is correct
10 Correct 868 ms 153332 KB Output is correct
11 Correct 128 ms 76240 KB Output is correct
12 Correct 208 ms 80812 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1156 ms 153084 KB Output is correct
2 Correct 1167 ms 153364 KB Output is correct
3 Correct 1089 ms 153328 KB Output is correct
4 Correct 253 ms 88524 KB Output is correct
5 Correct 868 ms 153380 KB Output is correct
6 Correct 236 ms 88276 KB Output is correct
7 Correct 1148 ms 153304 KB Output is correct
8 Correct 1042 ms 150220 KB Output is correct
9 Correct 1041 ms 150180 KB Output is correct
10 Correct 868 ms 153332 KB Output is correct
11 Correct 128 ms 76240 KB Output is correct
12 Correct 208 ms 80812 KB Output is correct
13 Correct 1270 ms 153228 KB Output is correct
14 Correct 1269 ms 153292 KB Output is correct
15 Correct 1350 ms 153276 KB Output is correct
16 Correct 318 ms 88268 KB Output is correct
17 Correct 1184 ms 153244 KB Output is correct
18 Correct 263 ms 88528 KB Output is correct
19 Correct 1604 ms 153228 KB Output is correct
20 Correct 1626 ms 153252 KB Output is correct
21 Correct 1641 ms 152304 KB Output is correct
22 Correct 1047 ms 153040 KB Output is correct
23 Correct 144 ms 76188 KB Output is correct
24 Correct 200 ms 80848 KB Output is correct

Subtask #4
57.0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 49 ms 63036 KB Output is correct
2 Correct 37 ms 63068 KB Output is correct
3 Correct 39 ms 62980 KB Output is correct
4 Correct 39 ms 62900 KB Output is correct
5 Correct 39 ms 63056 KB Output is correct
6 Correct 38 ms 63068 KB Output is correct
7 Correct 54 ms 65360 KB Output is correct
8 Correct 53 ms 65356 KB Output is correct
9 Correct 53 ms 65368 KB Output is correct
10 Correct 48 ms 63824 KB Output is correct
11 Correct 48 ms 65364 KB Output is correct
12 Correct 40 ms 63832 KB Output is correct
13 Correct 52 ms 65252 KB Output is correct
14 Correct 51 ms 65360 KB Output is correct
15 Correct 55 ms 65360 KB Output is correct
16 Correct 56 ms 65360 KB Output is correct
17 Correct 39 ms 63320 KB Output is correct
18 Correct 40 ms 63568 KB Output is correct
19 Correct 1156 ms 153084 KB Output is correct
20 Correct 1167 ms 153364 KB Output is correct
21 Correct 1089 ms 153328 KB Output is correct
22 Correct 253 ms 88524 KB Output is correct
23 Correct 868 ms 153380 KB Output is correct
24 Correct 236 ms 88276 KB Output is correct
25 Correct 1148 ms 153304 KB Output is correct
26 Correct 1042 ms 150220 KB Output is correct
27 Correct 1041 ms 150180 KB Output is correct
28 Correct 868 ms 153332 KB Output is correct
29 Correct 128 ms 76240 KB Output is correct
30 Correct 208 ms 80812 KB Output is correct
31 Correct 1270 ms 153228 KB Output is correct
32 Correct 1269 ms 153292 KB Output is correct
33 Correct 1350 ms 153276 KB Output is correct
34 Correct 318 ms 88268 KB Output is correct
35 Correct 1184 ms 153244 KB Output is correct
36 Correct 263 ms 88528 KB Output is correct
37 Correct 1604 ms 153228 KB Output is correct
38 Correct 1626 ms 153252 KB Output is correct
39 Correct 1641 ms 152304 KB Output is correct
40 Correct 1047 ms 153040 KB Output is correct
41 Correct 144 ms 76188 KB Output is correct
42 Correct 200 ms 80848 KB Output is correct
43 Correct 1750 ms 164304 KB Output is correct
44 Correct 1712 ms 164300 KB Output is correct
45 Correct 1714 ms 164296 KB Output is correct
46 Correct 295 ms 88500 KB Output is correct
47 Correct 1342 ms 164304 KB Output is correct
48 Correct 280 ms 88268 KB Output is correct
49 Correct 2023 ms 164304 KB Output is correct
50 Correct 1693 ms 164248 KB Output is correct
51 Correct 1777 ms 164304 KB Output is correct
52 Correct 1351 ms 164028 KB Output is correct
53 Correct 195 ms 76396 KB Output is correct