답안 #224605

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
224605	2020-04-18T13:44:04 Z	dolphingarlic	Bulldozer (JOI17_bulldozer)	C++14	100 / 100	1049 ms	47648 KB

bulldozer

#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 tie(u, v) < tie(B.u, B.v);
		return y * B.x < B.y * x;
	}
} S[2000001];

int n, curr[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() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin >> n;
	FOR(i, 1, n + 1) {
		cin >> P[i].x >> P[i].y >> P[i].v;
		curr[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 ans = T[1].b;
	FOR(i, 0, cnt) {
		U(curr[S[i].u], P[S[i].v].v);
		U(curr[S[i].v], P[S[i].u].v);
		swap(curr[S[i].u], curr[S[i].v]);

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

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	512 KB	Output is correct
2	Correct	6 ms	512 KB	Output is correct
3	Correct	6 ms	512 KB	Output is correct
4	Correct	6 ms	512 KB	Output is correct
5	Correct	6 ms	512 KB	Output is correct
6	Correct	6 ms	512 KB	Output is correct
7	Correct	5 ms	512 KB	Output is correct
8	Correct	6 ms	512 KB	Output is correct
9	Correct	7 ms	640 KB	Output is correct
10	Correct	6 ms	512 KB	Output is correct
11	Correct	4 ms	384 KB	Output is correct
12	Correct	4 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	4 ms	384 KB	Output is correct
15	Correct	4 ms	384 KB	Output is correct

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	6 ms	512 KB	Output is correct
4	Correct	6 ms	512 KB	Output is correct
5	Correct	6 ms	512 KB	Output is correct
6	Correct	7 ms	512 KB	Output is correct
7	Correct	6 ms	512 KB	Output is correct
8	Correct	6 ms	512 KB	Output is correct
9	Correct	6 ms	512 KB	Output is correct
10	Correct	6 ms	512 KB	Output is correct
11	Correct	4 ms	384 KB	Output is correct
12	Correct	4 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	4 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	4 ms	384 KB	Output is correct
18	Correct	4 ms	384 KB	Output is correct
19	Correct	4 ms	384 KB	Output is correct
20	Correct	4 ms	384 KB	Output is correct
21	Correct	6 ms	512 KB	Output is correct
22	Correct	6 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	6 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	6 ms	512 KB	Output is correct
30	Correct	6 ms	512 KB	Output is correct
31	Correct	6 ms	512 KB	Output is correct
32	Correct	6 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	6 ms	512 KB	Output is correct
4	Correct	6 ms	512 KB	Output is correct
5	Correct	6 ms	512 KB	Output is correct
6	Correct	7 ms	512 KB	Output is correct
7	Correct	6 ms	512 KB	Output is correct
8	Correct	6 ms	512 KB	Output is correct
9	Correct	6 ms	512 KB	Output is correct
10	Correct	6 ms	512 KB	Output is correct
11	Correct	4 ms	384 KB	Output is correct
12	Correct	4 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	4 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	4 ms	384 KB	Output is correct
18	Correct	4 ms	384 KB	Output is correct
19	Correct	4 ms	384 KB	Output is correct
20	Correct	4 ms	384 KB	Output is correct
21	Correct	6 ms	512 KB	Output is correct
22	Correct	6 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	6 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	6 ms	512 KB	Output is correct
30	Correct	6 ms	512 KB	Output is correct
31	Correct	6 ms	512 KB	Output is correct
32	Correct	6 ms	512 KB	Output is correct
33	Correct	1020 ms	47524 KB	Output is correct
34	Correct	999 ms	47584 KB	Output is correct
35	Correct	1000 ms	47608 KB	Output is correct
36	Correct	1004 ms	47516 KB	Output is correct
37	Correct	1016 ms	47516 KB	Output is correct
38	Correct	997 ms	47608 KB	Output is correct
39	Correct	1016 ms	47608 KB	Output is correct
40	Correct	1002 ms	47608 KB	Output is correct
41	Correct	1010 ms	47608 KB	Output is correct
42	Correct	1002 ms	47624 KB	Output is correct
43	Correct	1018 ms	47552 KB	Output is correct
44	Correct	1000 ms	47528 KB	Output is correct
45	Correct	987 ms	47608 KB	Output is correct
46	Correct	1018 ms	47608 KB	Output is correct
47	Correct	1022 ms	47520 KB	Output is correct
48	Correct	997 ms	47480 KB	Output is correct
49	Correct	1006 ms	47608 KB	Output is correct
50	Correct	1006 ms	47608 KB	Output is correct
51	Correct	1000 ms	47480 KB	Output is correct
52	Correct	1006 ms	47608 KB	Output is correct
53	Correct	1006 ms	47520 KB	Output is correct
54	Correct	995 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	6 ms	512 KB	Output is correct
4	Correct	6 ms	512 KB	Output is correct
5	Correct	6 ms	512 KB	Output is correct
6	Correct	7 ms	512 KB	Output is correct
7	Correct	6 ms	512 KB	Output is correct
8	Correct	6 ms	512 KB	Output is correct
9	Correct	6 ms	512 KB	Output is correct
10	Correct	6 ms	512 KB	Output is correct
11	Correct	4 ms	384 KB	Output is correct
12	Correct	4 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	4 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	4 ms	384 KB	Output is correct
18	Correct	4 ms	384 KB	Output is correct
19	Correct	4 ms	384 KB	Output is correct
20	Correct	4 ms	384 KB	Output is correct
21	Correct	6 ms	512 KB	Output is correct
22	Correct	6 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	6 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	6 ms	512 KB	Output is correct
30	Correct	6 ms	512 KB	Output is correct
31	Correct	6 ms	512 KB	Output is correct
32	Correct	6 ms	512 KB	Output is correct
33	Correct	1020 ms	47524 KB	Output is correct
34	Correct	999 ms	47584 KB	Output is correct
35	Correct	1000 ms	47608 KB	Output is correct
36	Correct	1004 ms	47516 KB	Output is correct
37	Correct	1016 ms	47516 KB	Output is correct
38	Correct	997 ms	47608 KB	Output is correct
39	Correct	1016 ms	47608 KB	Output is correct
40	Correct	1002 ms	47608 KB	Output is correct
41	Correct	1010 ms	47608 KB	Output is correct
42	Correct	1002 ms	47624 KB	Output is correct
43	Correct	1018 ms	47552 KB	Output is correct
44	Correct	1000 ms	47528 KB	Output is correct
45	Correct	987 ms	47608 KB	Output is correct
46	Correct	1018 ms	47608 KB	Output is correct
47	Correct	1022 ms	47520 KB	Output is correct
48	Correct	997 ms	47480 KB	Output is correct
49	Correct	1006 ms	47608 KB	Output is correct
50	Correct	1006 ms	47608 KB	Output is correct
51	Correct	1000 ms	47480 KB	Output is correct
52	Correct	1006 ms	47608 KB	Output is correct
53	Correct	1006 ms	47520 KB	Output is correct
54	Correct	995 ms	47608 KB	Output is correct
55	Correct	998 ms	47608 KB	Output is correct
56	Correct	1004 ms	47608 KB	Output is correct
57	Correct	1018 ms	47608 KB	Output is correct
58	Correct	1006 ms	47608 KB	Output is correct
59	Correct	1016 ms	47524 KB	Output is correct
60	Correct	1018 ms	47608 KB	Output is correct
61	Correct	1002 ms	47608 KB	Output is correct
62	Correct	1029 ms	47528 KB	Output is correct
63	Correct	1008 ms	47524 KB	Output is correct
64	Correct	1034 ms	47608 KB	Output is correct
65	Correct	1014 ms	47608 KB	Output is correct
66	Correct	1008 ms	47608 KB	Output is correct
67	Correct	1018 ms	47608 KB	Output is correct
68	Correct	1022 ms	47524 KB	Output is correct
69	Correct	1006 ms	47524 KB	Output is correct
70	Correct	1006 ms	47608 KB	Output is correct
71	Correct	1004 ms	47516 KB	Output is correct
72	Correct	1014 ms	47608 KB	Output is correct
73	Correct	1018 ms	47524 KB	Output is correct
74	Correct	1002 ms	47520 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	512 KB	Output is correct
2	Correct	6 ms	512 KB	Output is correct
3	Correct	6 ms	512 KB	Output is correct
4	Correct	6 ms	512 KB	Output is correct
5	Correct	6 ms	512 KB	Output is correct
6	Correct	6 ms	512 KB	Output is correct
7	Correct	5 ms	512 KB	Output is correct
8	Correct	6 ms	512 KB	Output is correct
9	Correct	7 ms	640 KB	Output is correct
10	Correct	6 ms	512 KB	Output is correct
11	Correct	4 ms	384 KB	Output is correct
12	Correct	4 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	4 ms	384 KB	Output is correct
15	Correct	4 ms	384 KB	Output is correct
16	Correct	6 ms	512 KB	Output is correct
17	Correct	7 ms	512 KB	Output is correct
18	Correct	6 ms	512 KB	Output is correct
19	Correct	6 ms	512 KB	Output is correct
20	Correct	6 ms	512 KB	Output is correct
21	Correct	7 ms	512 KB	Output is correct
22	Correct	6 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	4 ms	384 KB	Output is correct
27	Correct	4 ms	384 KB	Output is correct
28	Correct	4 ms	384 KB	Output is correct
29	Correct	5 ms	384 KB	Output is correct
30	Correct	4 ms	384 KB	Output is correct
31	Correct	5 ms	384 KB	Output is correct
32	Correct	4 ms	384 KB	Output is correct
33	Correct	4 ms	384 KB	Output is correct
34	Correct	4 ms	384 KB	Output is correct
35	Correct	4 ms	384 KB	Output is correct
36	Correct	6 ms	512 KB	Output is correct
37	Correct	6 ms	512 KB	Output is correct
38	Correct	6 ms	512 KB	Output is correct
39	Correct	6 ms	512 KB	Output is correct
40	Correct	6 ms	512 KB	Output is correct
41	Correct	6 ms	512 KB	Output is correct
42	Correct	6 ms	512 KB	Output is correct
43	Correct	6 ms	512 KB	Output is correct
44	Correct	6 ms	512 KB	Output is correct
45	Correct	6 ms	512 KB	Output is correct
46	Correct	6 ms	512 KB	Output is correct
47	Correct	6 ms	512 KB	Output is correct
48	Correct	1020 ms	47524 KB	Output is correct
49	Correct	999 ms	47584 KB	Output is correct
50	Correct	1000 ms	47608 KB	Output is correct
51	Correct	1004 ms	47516 KB	Output is correct
52	Correct	1016 ms	47516 KB	Output is correct
53	Correct	997 ms	47608 KB	Output is correct
54	Correct	1016 ms	47608 KB	Output is correct
55	Correct	1002 ms	47608 KB	Output is correct
56	Correct	1010 ms	47608 KB	Output is correct
57	Correct	1002 ms	47624 KB	Output is correct
58	Correct	1018 ms	47552 KB	Output is correct
59	Correct	1000 ms	47528 KB	Output is correct
60	Correct	987 ms	47608 KB	Output is correct
61	Correct	1018 ms	47608 KB	Output is correct
62	Correct	1022 ms	47520 KB	Output is correct
63	Correct	997 ms	47480 KB	Output is correct
64	Correct	1006 ms	47608 KB	Output is correct
65	Correct	1006 ms	47608 KB	Output is correct
66	Correct	1000 ms	47480 KB	Output is correct
67	Correct	1006 ms	47608 KB	Output is correct
68	Correct	1006 ms	47520 KB	Output is correct
69	Correct	995 ms	47608 KB	Output is correct
70	Correct	998 ms	47608 KB	Output is correct
71	Correct	1004 ms	47608 KB	Output is correct
72	Correct	1018 ms	47608 KB	Output is correct
73	Correct	1006 ms	47608 KB	Output is correct
74	Correct	1016 ms	47524 KB	Output is correct
75	Correct	1018 ms	47608 KB	Output is correct
76	Correct	1002 ms	47608 KB	Output is correct
77	Correct	1029 ms	47528 KB	Output is correct
78	Correct	1008 ms	47524 KB	Output is correct
79	Correct	1034 ms	47608 KB	Output is correct
80	Correct	1014 ms	47608 KB	Output is correct
81	Correct	1008 ms	47608 KB	Output is correct
82	Correct	1018 ms	47608 KB	Output is correct
83	Correct	1022 ms	47524 KB	Output is correct
84	Correct	1006 ms	47524 KB	Output is correct
85	Correct	1006 ms	47608 KB	Output is correct
86	Correct	1004 ms	47516 KB	Output is correct
87	Correct	1014 ms	47608 KB	Output is correct
88	Correct	1018 ms	47524 KB	Output is correct
89	Correct	1002 ms	47520 KB	Output is correct
90	Correct	1018 ms	47648 KB	Output is correct
91	Correct	1029 ms	47608 KB	Output is correct
92	Correct	1018 ms	47608 KB	Output is correct
93	Correct	1020 ms	47480 KB	Output is correct
94	Correct	1010 ms	47608 KB	Output is correct
95	Correct	1025 ms	47608 KB	Output is correct
96	Correct	997 ms	47608 KB	Output is correct
97	Correct	1012 ms	47608 KB	Output is correct
98	Correct	1018 ms	47600 KB	Output is correct
99	Correct	1014 ms	47608 KB	Output is correct
100	Correct	822 ms	47608 KB	Output is correct
101	Correct	815 ms	47480 KB	Output is correct
102	Correct	817 ms	47480 KB	Output is correct
103	Correct	836 ms	47612 KB	Output is correct
104	Correct	834 ms	47524 KB	Output is correct
105	Correct	895 ms	47524 KB	Output is correct
106	Correct	895 ms	47608 KB	Output is correct
107	Correct	880 ms	47608 KB	Output is correct
108	Correct	870 ms	47608 KB	Output is correct
109	Correct	888 ms	47520 KB	Output is correct
110	Correct	914 ms	47524 KB	Output is correct
111	Correct	916 ms	47608 KB	Output is correct
112	Correct	934 ms	47520 KB	Output is correct
113	Correct	917 ms	47608 KB	Output is correct
114	Correct	985 ms	47516 KB	Output is correct
115	Correct	947 ms	47532 KB	Output is correct
116	Correct	962 ms	47524 KB	Output is correct
117	Correct	972 ms	47520 KB	Output is correct
118	Correct	939 ms	47612 KB	Output is correct
119	Correct	953 ms	47516 KB	Output is correct
120	Correct	5 ms	384 KB	Output is correct
121	Correct	4 ms	384 KB	Output is correct
122	Correct	1037 ms	47516 KB	Output is correct
123	Correct	1020 ms	47608 KB	Output is correct
124	Correct	1027 ms	47516 KB	Output is correct
125	Correct	1029 ms	47520 KB	Output is correct
126	Correct	1043 ms	47608 KB	Output is correct
127	Correct	1020 ms	47480 KB	Output is correct
128	Correct	1024 ms	47528 KB	Output is correct
129	Correct	1010 ms	47520 KB	Output is correct
130	Correct	1049 ms	47524 KB	Output is correct
131	Correct	1029 ms	47524 KB	Output is correct
132	Correct	1029 ms	47480 KB	Output is correct
133	Correct	1008 ms	47520 KB	Output is correct

답안 #224605

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 20.0 / 20.0

Subtask #3 35.0 / 35.0

Subtask #4 20.0 / 20.0

Subtask #5 20.0 / 20.0

Subtask #1
5.0 / 5.0

Subtask #2
20.0 / 20.0

Subtask #3
35.0 / 35.0

Subtask #4
20.0 / 20.0

Subtask #5
20.0 / 20.0