oj.uz

Submission #484489

# Submission time Handle Problem Language Result Execution time Memory
484489 2021-11-03T17:16:13 Z jhnah917 Dragon 2 (JOI17_dragon2) C++14
100 / 100
 3038 ms 2636 KB 
#pragma GCC optimize("O3")
#pragma GCC target("avx,avx2")
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int N, M, Q, S[30000], E[30000];
alignas(32) ll X[30000], Y[30000];
alignas(32) ll Ax[30000], Ay[30000], Bx[30000], By[30000], Dir[30000];
struct{ ll x, y, c; } V[30000], A, B;

int main(){
    ios_base::sync_with_stdio(false); cin.tie(nullptr);
    cin >> N >> M;
    for(int i=0; i<N; i++) cin >> V[i].x >> V[i].y >> V[i].c, V[i].c--;
    cin >> A.x >> A.y >> B.x >> B.y;
    sort(V, V+N, [](auto a, auto b){ return a.c < b.c; });
    for(int i=0; i<N; i++) X[i] = V[i].x, Y[i] = V[i].y;
    memset(S, 0x3f, sizeof S);
    memset(E, 0xc0, sizeof E);
    for(int i=0; i<N; i++) S[V[i].c] = min(S[V[i].c], i), E[V[i].c] = max(E[V[i].c], i);
    cin >> Q;
    while(Q--){
        int a, b, res = 0; cin >> a >> b; a--; b--;
        int len = E[a] - S[a] + 1;
        for(int i=0; i<len; i++) Ax[i] = A.x - X[S[a]+i];
        for(int i=0; i<len; i++) Ay[i] = A.y - Y[S[a]+i];
        for(int i=0; i<len; i++) Bx[i] = B.x - X[S[a]+i];
        for(int i=0; i<len; i++) By[i] = B.y - Y[S[a]+i];
        for(int i=0; i<len; i++) Dir[i] = Ax[i]*By[i] - Ay[i]*Bx[i];
        for(int i=0; i<len; i++){
            for(int j=S[b]; j<=E[b]; j++){
                const ll dX = X[j] - X[S[a]+i], dY = Y[j] - Y[S[a]+i];
                const ll cA = dX*Ay[i] - dY*Ax[i], cB = dX*By[i] - dY*Bx[i];
                if(Dir[i] >= 0) res += cA <= 0 && cB >= 0;
                else res += cA >= 0 && cB <= 0;
            }
        }
        cout << res << "\n";
    }
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 716 KB Output is correct
2 Correct 16 ms 724 KB Output is correct
3 Correct 19 ms 728 KB Output is correct
4 Correct 29 ms 868 KB Output is correct
5 Correct 29 ms 780 KB Output is correct
6 Correct 2 ms 588 KB Output is correct
7 Correct 2 ms 588 KB Output is correct
8 Correct 10 ms 764 KB Output is correct
9 Correct 9 ms 716 KB Output is correct
10 Correct 10 ms 768 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 742 ms 2312 KB Output is correct
2 Correct 1455 ms 1844 KB Output is correct
3 Correct 53 ms 1772 KB Output is correct
4 Correct 11 ms 1740 KB Output is correct
5 Correct 15 ms 1668 KB Output is correct
6 Correct 721 ms 2312 KB Output is correct
7 Correct 754 ms 2316 KB Output is correct
8 Correct 752 ms 2252 KB Output is correct
9 Correct 731 ms 2316 KB Output is correct
10 Correct 730 ms 2312 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 716 KB Output is correct
2 Correct 16 ms 724 KB Output is correct
3 Correct 19 ms 728 KB Output is correct
4 Correct 29 ms 868 KB Output is correct
5 Correct 29 ms 780 KB Output is correct
6 Correct 2 ms 588 KB Output is correct
7 Correct 2 ms 588 KB Output is correct
8 Correct 10 ms 764 KB Output is correct
9 Correct 9 ms 716 KB Output is correct
10 Correct 10 ms 768 KB Output is correct
11 Correct 742 ms 2312 KB Output is correct
12 Correct 1455 ms 1844 KB Output is correct
13 Correct 53 ms 1772 KB Output is correct
14 Correct 11 ms 1740 KB Output is correct
15 Correct 15 ms 1668 KB Output is correct
16 Correct 721 ms 2312 KB Output is correct
17 Correct 754 ms 2316 KB Output is correct
18 Correct 752 ms 2252 KB Output is correct
19 Correct 731 ms 2316 KB Output is correct
20 Correct 730 ms 2312 KB Output is correct
21 Correct 736 ms 2336 KB Output is correct
22 Correct 1445 ms 1848 KB Output is correct
23 Correct 1458 ms 1860 KB Output is correct
24 Correct 341 ms 2116 KB Output is correct
25 Correct 41 ms 1860 KB Output is correct
26 Correct 37 ms 1848 KB Output is correct
27 Correct 13 ms 1740 KB Output is correct
28 Correct 13 ms 1744 KB Output is correct
29 Correct 3038 ms 2636 KB Output is correct
30 Correct 61 ms 2408 KB Output is correct
31 Correct 42 ms 2472 KB Output is correct
32 Correct 55 ms 1920 KB Output is correct
33 Correct 413 ms 2184 KB Output is correct
34 Correct 39 ms 1860 KB Output is correct
35 Correct 44 ms 1880 KB Output is correct
36 Correct 36 ms 1924 KB Output is correct
37 Correct 36 ms 1916 KB Output is correct
38 Correct 754 ms 1908 KB Output is correct
39 Correct 612 ms 1972 KB Output is correct
40 Correct 422 ms 2008 KB Output is correct
41 Correct 2049 ms 2408 KB Output is correct
42 Correct 1271 ms 2000 KB Output is correct
43 Correct 1052 ms 1968 KB Output is correct
44 Correct 1630 ms 2444 KB Output is correct
45 Correct 815 ms 2116 KB Output is correct
46 Correct 522 ms 1868 KB Output is correct
47 Correct 719 ms 1776 KB Output is correct
48 Correct 365 ms 1856 KB Output is correct
49 Correct 251 ms 1740 KB Output is correct