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답안 #224606

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
224606 2020-04-18T13:45:21 Z dolphingarlic Bulldozer (JOI17_bulldozer) C++14
75 / 100
 1124 ms 47612 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 X {
	ll l, r, t, b;

	X operator+(X B) {
		return {max(l, t + B.l), max(B.r, r + B.t), t + B.t, max(max(b, B.b), r + B.l)};
	}
} T[8001];

struct Y {
	ll x, y, v;

	bool operator<(Y B) {
		if (x == B.x) return y < B.y;
		return x < B.x;
	}
} P[2001];

struct Z {
	ll x, y;
	int u, v;

	bool operator<(Z B) {
		if (y * B.x == B.y * x) return u < B.u;
		return y * B.x < B.y * x;
	}
} S[2000001];

int n, C[2001];

void B(int N = 1, int l = 1, int r = n) {
	if (l == r) {
		ll v = max(P[l].v, 0ll);
		T[N] = {v, v, P[l].v, v};
	} else {
		int M = (l + r) / 2;
		B(N * 2, l, M);
		B(N * 2 + 1, M + 1, r);
		T[N] = T[N * 2] + T[N * 2 + 1];
	}
}

void U(int o, ll a, int N = 1, int l = 1, int r = n) {
	if (l == r) T[N] = {max(a, 0ll), max(a, 0ll), a, max(a, 0ll)};
	else {
		int M = (l + r) / 2;
		if (o > M) U(o, a, N * 2 + 1, M + 1, r);
		else U(o, a, N * 2, l, M);
		T[N] = T[N * 2] + T[N * 2 + 1];
	}
}

int main() {
	cin >> n;
	FOR(i, 1, n + 1) {
		cin >> P[i].x >> P[i].y >> P[i].v;
		C[i] = i;
	}
	sort(P + 1, P + n + 1);
	int cnt = 0;
	FOR(i, 1, n + 1) FOR(j, i + 1, n + 1)
		S[cnt++] = {P[j].x - P[i].x, P[j].y - P[i].y, i, j};
	sort(S, S + cnt);

	B();
	ll H = T[1].b;
	FOR(i, 0, cnt) {
		U(C[S[i].u], P[S[i].v].v);
		U(C[S[i].v], P[S[i].u].v);
		swap(C[S[i].u], C[S[i].v]);

		if (i == cnt - 1) H = max(H, T[1].b);
		else if (S[i].y * S[i + 1].x != S[i + 1].y * S[i].x) H = max(H, T[1].b);
	}
	cout << H;
	return 0;
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 512 KB Output is correct
2 Correct 10 ms 512 KB Output is correct
3 Correct 6 ms 512 KB Output is correct
4 Correct 7 ms 512 KB Output is correct
5 Correct 6 ms 512 KB Output is correct
6 Incorrect 6 ms 512 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 512 KB Output is correct
2 Correct 7 ms 512 KB Output is correct
3 Correct 8 ms 512 KB Output is correct
4 Correct 7 ms 512 KB Output is correct
5 Correct 7 ms 512 KB Output is correct
6 Correct 6 ms 512 KB Output is correct
7 Correct 7 ms 512 KB Output is correct
8 Correct 6 ms 512 KB Output is correct
9 Correct 7 ms 512 KB Output is correct
10 Correct 6 ms 512 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 7 ms 512 KB Output is correct
22 Correct 7 ms 512 KB Output is correct
23 Correct 6 ms 512 KB Output is correct
24 Correct 6 ms 512 KB Output is correct
25 Correct 6 ms 512 KB Output is correct
26 Correct 7 ms 512 KB Output is correct
27 Correct 6 ms 512 KB Output is correct
28 Correct 6 ms 512 KB Output is correct
29 Correct 7 ms 512 KB Output is correct
30 Correct 9 ms 512 KB Output is correct
31 Correct 6 ms 512 KB Output is correct
32 Correct 7 ms 512 KB Output is correct

Subtask #3
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 512 KB Output is correct
2 Correct 7 ms 512 KB Output is correct
3 Correct 8 ms 512 KB Output is correct
4 Correct 7 ms 512 KB Output is correct
5 Correct 7 ms 512 KB Output is correct
6 Correct 6 ms 512 KB Output is correct
7 Correct 7 ms 512 KB Output is correct
8 Correct 6 ms 512 KB Output is correct
9 Correct 7 ms 512 KB Output is correct
10 Correct 6 ms 512 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 7 ms 512 KB Output is correct
22 Correct 7 ms 512 KB Output is correct
23 Correct 6 ms 512 KB Output is correct
24 Correct 6 ms 512 KB Output is correct
25 Correct 6 ms 512 KB Output is correct
26 Correct 7 ms 512 KB Output is correct
27 Correct 6 ms 512 KB Output is correct
28 Correct 6 ms 512 KB Output is correct
29 Correct 7 ms 512 KB Output is correct
30 Correct 9 ms 512 KB Output is correct
31 Correct 6 ms 512 KB Output is correct
32 Correct 7 ms 512 KB Output is correct
33 Correct 1124 ms 47508 KB Output is correct
34 Correct 1090 ms 47504 KB Output is correct
35 Correct 1058 ms 47508 KB Output is correct
36 Correct 1040 ms 47480 KB Output is correct
37 Correct 1088 ms 47492 KB Output is correct
38 Correct 1039 ms 47500 KB Output is correct
39 Correct 1056 ms 47608 KB Output is correct
40 Correct 1058 ms 47496 KB Output is correct
41 Correct 1058 ms 47508 KB Output is correct
42 Correct 1049 ms 47496 KB Output is correct
43 Correct 1071 ms 47608 KB Output is correct
44 Correct 1050 ms 47492 KB Output is correct
45 Correct 1038 ms 47492 KB Output is correct
46 Correct 1058 ms 47584 KB Output is correct
47 Correct 1044 ms 47480 KB Output is correct
48 Correct 1036 ms 47496 KB Output is correct
49 Correct 1040 ms 47480 KB Output is correct
50 Correct 1053 ms 47480 KB Output is correct
51 Correct 1043 ms 47496 KB Output is correct
52 Correct 1080 ms 47496 KB Output is correct
53 Correct 1068 ms 47608 KB Output is correct
54 Correct 1020 ms 47608 KB Output is correct

Subtask #4
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 512 KB Output is correct
2 Correct 7 ms 512 KB Output is correct
3 Correct 8 ms 512 KB Output is correct
4 Correct 7 ms 512 KB Output is correct
5 Correct 7 ms 512 KB Output is correct
6 Correct 6 ms 512 KB Output is correct
7 Correct 7 ms 512 KB Output is correct
8 Correct 6 ms 512 KB Output is correct
9 Correct 7 ms 512 KB Output is correct
10 Correct 6 ms 512 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 7 ms 512 KB Output is correct
22 Correct 7 ms 512 KB Output is correct
23 Correct 6 ms 512 KB Output is correct
24 Correct 6 ms 512 KB Output is correct
25 Correct 6 ms 512 KB Output is correct
26 Correct 7 ms 512 KB Output is correct
27 Correct 6 ms 512 KB Output is correct
28 Correct 6 ms 512 KB Output is correct
29 Correct 7 ms 512 KB Output is correct
30 Correct 9 ms 512 KB Output is correct
31 Correct 6 ms 512 KB Output is correct
32 Correct 7 ms 512 KB Output is correct
33 Correct 1124 ms 47508 KB Output is correct
34 Correct 1090 ms 47504 KB Output is correct
35 Correct 1058 ms 47508 KB Output is correct
36 Correct 1040 ms 47480 KB Output is correct
37 Correct 1088 ms 47492 KB Output is correct
38 Correct 1039 ms 47500 KB Output is correct
39 Correct 1056 ms 47608 KB Output is correct
40 Correct 1058 ms 47496 KB Output is correct
41 Correct 1058 ms 47508 KB Output is correct
42 Correct 1049 ms 47496 KB Output is correct
43 Correct 1071 ms 47608 KB Output is correct
44 Correct 1050 ms 47492 KB Output is correct
45 Correct 1038 ms 47492 KB Output is correct
46 Correct 1058 ms 47584 KB Output is correct
47 Correct 1044 ms 47480 KB Output is correct
48 Correct 1036 ms 47496 KB Output is correct
49 Correct 1040 ms 47480 KB Output is correct
50 Correct 1053 ms 47480 KB Output is correct
51 Correct 1043 ms 47496 KB Output is correct
52 Correct 1080 ms 47496 KB Output is correct
53 Correct 1068 ms 47608 KB Output is correct
54 Correct 1020 ms 47608 KB Output is correct
55 Correct 1035 ms 47608 KB Output is correct
56 Correct 1041 ms 47612 KB Output is correct
57 Correct 1037 ms 47608 KB Output is correct
58 Correct 1035 ms 47608 KB Output is correct
59 Correct 1050 ms 47492 KB Output is correct
60 Correct 1055 ms 47608 KB Output is correct
61 Correct 1043 ms 47608 KB Output is correct
62 Correct 1058 ms 47480 KB Output is correct
63 Correct 1056 ms 47600 KB Output is correct
64 Correct 1045 ms 47608 KB Output is correct
65 Correct 1033 ms 47608 KB Output is correct
66 Correct 1020 ms 47612 KB Output is correct
67 Correct 1043 ms 47608 KB Output is correct
68 Correct 1042 ms 47500 KB Output is correct
69 Correct 1040 ms 47492 KB Output is correct
70 Correct 1049 ms 47500 KB Output is correct
71 Correct 1043 ms 47608 KB Output is correct
72 Correct 1031 ms 47608 KB Output is correct
73 Correct 1031 ms 47608 KB Output is correct
74 Correct 1044 ms 47608 KB Output is correct

Subtask #5
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 512 KB Output is correct
2 Correct 10 ms 512 KB Output is correct
3 Correct 6 ms 512 KB Output is correct
4 Correct 7 ms 512 KB Output is correct
5 Correct 6 ms 512 KB Output is correct
6 Incorrect 6 ms 512 KB Output isn't correct
7 Halted 0 ms 0 KB -