oj.uz

답안 #226254

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
226254 2020-04-23T08:41:41 Z dolphingarlic Dragon 2 (JOI17_dragon2) C++14
100 / 100
 2614 ms 4088 KB 
#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;

struct Point {
    ll x, y;
} A, B;

inline bool ccw(Point X, Point Y, Point Z) {
    return (X.x - Y.x) * (Z.y - Y.y) <= (X.y - Y.y) * (Z.x - Y.x);
}

vector<Point> by_tribe[30000];

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    FOR(i, 0, n) {
        Point p;
        int tribe;
        cin >> p.x >> p.y >> tribe;
        by_tribe[tribe - 1].push_back(p);
    }
    cin >> A.x >> A.y >> B.x >> B.y;

    int q;
    cin >> q;
    while (q--) {
        int x, y;
        cin >> x >> y;
        int ans = 0;
        for (Point i : by_tribe[x - 1]) for (Point j : by_tribe[y - 1]) {
            if (ccw(i, A, B)) ans += (ccw(i, A, j) && ccw(j, B, i));
            else ans += (ccw(j, A, i) && ccw(i, B, j));
        }
        cout << ans << '\n';
    }
    return 0;
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 1152 KB Output is correct
2 Correct 22 ms 1152 KB Output is correct
3 Correct 29 ms 1152 KB Output is correct
4 Correct 40 ms 2168 KB Output is correct
5 Correct 35 ms 2304 KB Output is correct
6 Correct 7 ms 1280 KB Output is correct
7 Correct 7 ms 1280 KB Output is correct
8 Correct 11 ms 1152 KB Output is correct
9 Correct 10 ms 1152 KB Output is correct
10 Correct 12 ms 1152 KB Output is correct

Subtask #2
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1002 ms 2372 KB Output is correct
2 Correct 1766 ms 2432 KB Output is correct
3 Correct 54 ms 2560 KB Output is correct
4 Correct 18 ms 2560 KB Output is correct
5 Correct 23 ms 2560 KB Output is correct
6 Correct 1012 ms 2676 KB Output is correct
7 Correct 975 ms 2548 KB Output is correct
8 Correct 493 ms 2428 KB Output is correct
9 Correct 469 ms 2176 KB Output is correct
10 Correct 490 ms 2300 KB Output is correct

Subtask #3
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 1152 KB Output is correct
2 Correct 22 ms 1152 KB Output is correct
3 Correct 29 ms 1152 KB Output is correct
4 Correct 40 ms 2168 KB Output is correct
5 Correct 35 ms 2304 KB Output is correct
6 Correct 7 ms 1280 KB Output is correct
7 Correct 7 ms 1280 KB Output is correct
8 Correct 11 ms 1152 KB Output is correct
9 Correct 10 ms 1152 KB Output is correct
10 Correct 12 ms 1152 KB Output is correct
11 Correct 1002 ms 2372 KB Output is correct
12 Correct 1766 ms 2432 KB Output is correct
13 Correct 54 ms 2560 KB Output is correct
14 Correct 18 ms 2560 KB Output is correct
15 Correct 23 ms 2560 KB Output is correct
16 Correct 1012 ms 2676 KB Output is correct
17 Correct 975 ms 2548 KB Output is correct
18 Correct 493 ms 2428 KB Output is correct
19 Correct 469 ms 2176 KB Output is correct
20 Correct 490 ms 2300 KB Output is correct
21 Correct 1006 ms 2548 KB Output is correct
22 Correct 1759 ms 2432 KB Output is correct
23 Correct 1870 ms 2688 KB Output is correct
24 Correct 580 ms 3868 KB Output is correct
25 Correct 55 ms 3832 KB Output is correct
26 Correct 60 ms 3960 KB Output is correct
27 Correct 25 ms 2936 KB Output is correct
28 Correct 24 ms 2944 KB Output is correct
29 Correct 2614 ms 4000 KB Output is correct
30 Correct 78 ms 3572 KB Output is correct
31 Correct 62 ms 3704 KB Output is correct
32 Correct 66 ms 3704 KB Output is correct
33 Correct 521 ms 3832 KB Output is correct
34 Correct 50 ms 3960 KB Output is correct
35 Correct 50 ms 3704 KB Output is correct
36 Correct 56 ms 3704 KB Output is correct
37 Correct 58 ms 3960 KB Output is correct
38 Correct 870 ms 4088 KB Output is correct
39 Correct 693 ms 3832 KB Output is correct
40 Correct 586 ms 3832 KB Output is correct
41 Correct 2295 ms 3676 KB Output is correct
42 Correct 1507 ms 3560 KB Output is correct
43 Correct 1154 ms 3704 KB Output is correct
44 Correct 1537 ms 2676 KB Output is correct
45 Correct 742 ms 2632 KB Output is correct
46 Correct 470 ms 2688 KB Output is correct
47 Correct 1120 ms 2796 KB Output is correct
48 Correct 680 ms 2680 KB Output is correct
49 Correct 405 ms 2828 KB Output is correct