oj.uz

Submission #224605

# Submission time Handle Problem Language Result Execution time Memory
224605 2020-04-18T13:44:04 Z dolphingarlic Bulldozer (JOI17_bulldozer) C++14
100 / 100
 1049 ms 47648 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 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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