답안 #627475

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
627475	2022-08-12T15:27:29 Z	imeimi2000	메기 농장 (IOI22_fish)	C++17	100 / 100	342 ms	19380 KB

fish

#include "fish.h"

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using pii = pair<int, int>;

int n;
vector<pii> P[100005];

struct segtree {
    ll seg[1 << 18];
    void init() {
        memset(seg, 0xcf, sizeof(seg));
    }
    void update(int i, int s, int e, int x, int y, ll v) {
        if (e < x || y < s) return;
        if (x <= s && e <= y) {
            seg[i] = max(seg[i], v);
            return;
        }
        int m = (s + e) / 2;
        update(i + i, s, m, x, y, v);
        update(i + i + 1, m + 1, e, x, y, v);
    }
    ll query(int i, int s, int e, int x) {
        if (s == e) return seg[i];
        int m = (s + e) / 2;
        if (x <= m) return max(seg[i], query(i + i, s, m, x));
        return max(seg[i], query(i + i + 1, m + 1, e, x));
    }
} up, dn;

ll max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
    n = N;
    for (int i = 0; i < M; ++i) {
        P[X[i] + 1].emplace_back(Y[i] + 1, W[i]);
    }
    ll p = 0;
    dn.init();
    for (int i = 1; i <= n; ++i) {
        ll sum = 0;
        sort(P[i].begin(), P[i].end());
        for (auto [j, v] : P[i]) {
            sum += v;
            up.update(1, 0, n + 1, j + 1, n + 1, up.query(1, 0, n + 1, j) + v);
        }
        reverse(P[i].begin(), P[i].end());
        for (auto [j, v] : P[i]) {
            dn.update(1, 0, n + 1, 0, j - 1, dn.query(1, 0, n + 1, j) + v);
        }
        ll u = up.query(1, 0, n + 1, n + 1);
        ll d = dn.query(1, 0, n + 1, 0);
        up.update(1, 0, n + 1, 0, n + 1, d);
        dn.update(1, 0, n + 1, 0, n + 1, p);
        p = max(u, d);
    }
    return dn.query(1, 0, n + 1, 0);
}

Subtask #1
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	64 ms	9312 KB	Output is correct
2	Correct	76 ms	10020 KB	Output is correct
3	Correct	11 ms	4820 KB	Output is correct
4	Correct	13 ms	4692 KB	Output is correct
5	Correct	236 ms	16304 KB	Output is correct
6	Correct	287 ms	18172 KB	Output is correct

Subtask #2
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4692 KB	Output is correct
2	Correct	122 ms	11940 KB	Output is correct
3	Correct	150 ms	13188 KB	Output is correct
4	Correct	62 ms	9408 KB	Output is correct
5	Correct	75 ms	9972 KB	Output is correct
6	Correct	2 ms	4692 KB	Output is correct
7	Correct	2 ms	4692 KB	Output is correct
8	Correct	2 ms	4692 KB	Output is correct
9	Correct	2 ms	4692 KB	Output is correct
10	Correct	11 ms	4740 KB	Output is correct
11	Correct	11 ms	4692 KB	Output is correct
12	Correct	61 ms	9368 KB	Output is correct
13	Correct	73 ms	9920 KB	Output is correct
14	Correct	78 ms	9432 KB	Output is correct
15	Correct	70 ms	8820 KB	Output is correct
16	Correct	63 ms	9404 KB	Output is correct
17	Correct	75 ms	9788 KB	Output is correct

Subtask #3
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	10 ms	4692 KB	Output is correct
2	Correct	14 ms	4708 KB	Output is correct
3	Correct	43 ms	7660 KB	Output is correct
4	Correct	33 ms	7112 KB	Output is correct
5	Correct	66 ms	10316 KB	Output is correct
6	Correct	69 ms	11060 KB	Output is correct
7	Correct	68 ms	11132 KB	Output is correct
8	Correct	89 ms	11136 KB	Output is correct

Subtask #4
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4692 KB	Output is correct
2	Correct	2 ms	4692 KB	Output is correct
3	Correct	2 ms	4692 KB	Output is correct
4	Correct	2 ms	4692 KB	Output is correct
5	Correct	2 ms	4692 KB	Output is correct
6	Correct	3 ms	4712 KB	Output is correct
7	Correct	3 ms	4712 KB	Output is correct
8	Correct	2 ms	4692 KB	Output is correct
9	Correct	2 ms	4692 KB	Output is correct
10	Correct	4 ms	4852 KB	Output is correct
11	Correct	3 ms	4692 KB	Output is correct
12	Correct	3 ms	4740 KB	Output is correct
13	Correct	3 ms	4692 KB	Output is correct
14	Correct	4 ms	4692 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4692 KB	Output is correct
2	Correct	2 ms	4692 KB	Output is correct
3	Correct	2 ms	4692 KB	Output is correct
4	Correct	2 ms	4692 KB	Output is correct
5	Correct	2 ms	4692 KB	Output is correct
6	Correct	3 ms	4712 KB	Output is correct
7	Correct	3 ms	4712 KB	Output is correct
8	Correct	2 ms	4692 KB	Output is correct
9	Correct	2 ms	4692 KB	Output is correct
10	Correct	4 ms	4852 KB	Output is correct
11	Correct	3 ms	4692 KB	Output is correct
12	Correct	3 ms	4740 KB	Output is correct
13	Correct	3 ms	4692 KB	Output is correct
14	Correct	4 ms	4692 KB	Output is correct
15	Correct	3 ms	4692 KB	Output is correct
16	Correct	3 ms	4820 KB	Output is correct
17	Correct	23 ms	7020 KB	Output is correct
18	Correct	23 ms	7252 KB	Output is correct
19	Correct	23 ms	7124 KB	Output is correct
20	Correct	22 ms	7140 KB	Output is correct
21	Correct	28 ms	7208 KB	Output is correct
22	Correct	43 ms	9064 KB	Output is correct
23	Correct	7 ms	5184 KB	Output is correct
24	Correct	17 ms	6228 KB	Output is correct
25	Correct	3 ms	4692 KB	Output is correct
26	Correct	7 ms	5108 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4692 KB	Output is correct
2	Correct	2 ms	4692 KB	Output is correct
3	Correct	2 ms	4692 KB	Output is correct
4	Correct	2 ms	4692 KB	Output is correct
5	Correct	2 ms	4692 KB	Output is correct
6	Correct	3 ms	4712 KB	Output is correct
7	Correct	3 ms	4712 KB	Output is correct
8	Correct	2 ms	4692 KB	Output is correct
9	Correct	2 ms	4692 KB	Output is correct
10	Correct	4 ms	4852 KB	Output is correct
11	Correct	3 ms	4692 KB	Output is correct
12	Correct	3 ms	4740 KB	Output is correct
13	Correct	3 ms	4692 KB	Output is correct
14	Correct	4 ms	4692 KB	Output is correct
15	Correct	3 ms	4692 KB	Output is correct
16	Correct	3 ms	4820 KB	Output is correct
17	Correct	23 ms	7020 KB	Output is correct
18	Correct	23 ms	7252 KB	Output is correct
19	Correct	23 ms	7124 KB	Output is correct
20	Correct	22 ms	7140 KB	Output is correct
21	Correct	28 ms	7208 KB	Output is correct
22	Correct	43 ms	9064 KB	Output is correct
23	Correct	7 ms	5184 KB	Output is correct
24	Correct	17 ms	6228 KB	Output is correct
25	Correct	3 ms	4692 KB	Output is correct
26	Correct	7 ms	5108 KB	Output is correct
27	Correct	4 ms	4948 KB	Output is correct
28	Correct	112 ms	13744 KB	Output is correct
29	Correct	184 ms	16460 KB	Output is correct
30	Correct	187 ms	16064 KB	Output is correct
31	Correct	180 ms	15920 KB	Output is correct
32	Correct	174 ms	17440 KB	Output is correct
33	Correct	190 ms	15956 KB	Output is correct
34	Correct	192 ms	15864 KB	Output is correct
35	Correct	67 ms	9744 KB	Output is correct
36	Correct	185 ms	16860 KB	Output is correct

Subtask #7
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	10 ms	4692 KB	Output is correct
2	Correct	14 ms	4708 KB	Output is correct
3	Correct	43 ms	7660 KB	Output is correct
4	Correct	33 ms	7112 KB	Output is correct
5	Correct	66 ms	10316 KB	Output is correct
6	Correct	69 ms	11060 KB	Output is correct
7	Correct	68 ms	11132 KB	Output is correct
8	Correct	89 ms	11136 KB	Output is correct
9	Correct	87 ms	13092 KB	Output is correct
10	Correct	77 ms	9468 KB	Output is correct
11	Correct	126 ms	13276 KB	Output is correct
12	Correct	2 ms	4692 KB	Output is correct
13	Correct	2 ms	4692 KB	Output is correct
14	Correct	2 ms	4692 KB	Output is correct
15	Correct	2 ms	4692 KB	Output is correct
16	Correct	2 ms	4692 KB	Output is correct
17	Correct	2 ms	4692 KB	Output is correct
18	Correct	10 ms	4692 KB	Output is correct
19	Correct	10 ms	4712 KB	Output is correct
20	Correct	9 ms	4692 KB	Output is correct
21	Correct	10 ms	4708 KB	Output is correct
22	Correct	123 ms	11396 KB	Output is correct
23	Correct	135 ms	12884 KB	Output is correct
24	Correct	144 ms	13444 KB	Output is correct

Subtask #8
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	64 ms	9312 KB	Output is correct
2	Correct	76 ms	10020 KB	Output is correct
3	Correct	11 ms	4820 KB	Output is correct
4	Correct	13 ms	4692 KB	Output is correct
5	Correct	236 ms	16304 KB	Output is correct
6	Correct	287 ms	18172 KB	Output is correct
7	Correct	3 ms	4692 KB	Output is correct
8	Correct	122 ms	11940 KB	Output is correct
9	Correct	150 ms	13188 KB	Output is correct
10	Correct	62 ms	9408 KB	Output is correct
11	Correct	75 ms	9972 KB	Output is correct
12	Correct	2 ms	4692 KB	Output is correct
13	Correct	2 ms	4692 KB	Output is correct
14	Correct	2 ms	4692 KB	Output is correct
15	Correct	2 ms	4692 KB	Output is correct
16	Correct	11 ms	4740 KB	Output is correct
17	Correct	11 ms	4692 KB	Output is correct
18	Correct	61 ms	9368 KB	Output is correct
19	Correct	73 ms	9920 KB	Output is correct
20	Correct	78 ms	9432 KB	Output is correct
21	Correct	70 ms	8820 KB	Output is correct
22	Correct	63 ms	9404 KB	Output is correct
23	Correct	75 ms	9788 KB	Output is correct
24	Correct	10 ms	4692 KB	Output is correct
25	Correct	14 ms	4708 KB	Output is correct
26	Correct	43 ms	7660 KB	Output is correct
27	Correct	33 ms	7112 KB	Output is correct
28	Correct	66 ms	10316 KB	Output is correct
29	Correct	69 ms	11060 KB	Output is correct
30	Correct	68 ms	11132 KB	Output is correct
31	Correct	89 ms	11136 KB	Output is correct
32	Correct	2 ms	4692 KB	Output is correct
33	Correct	2 ms	4692 KB	Output is correct
34	Correct	2 ms	4692 KB	Output is correct
35	Correct	2 ms	4692 KB	Output is correct
36	Correct	2 ms	4692 KB	Output is correct
37	Correct	3 ms	4712 KB	Output is correct
38	Correct	3 ms	4712 KB	Output is correct
39	Correct	2 ms	4692 KB	Output is correct
40	Correct	2 ms	4692 KB	Output is correct
41	Correct	4 ms	4852 KB	Output is correct
42	Correct	3 ms	4692 KB	Output is correct
43	Correct	3 ms	4740 KB	Output is correct
44	Correct	3 ms	4692 KB	Output is correct
45	Correct	4 ms	4692 KB	Output is correct
46	Correct	3 ms	4692 KB	Output is correct
47	Correct	3 ms	4820 KB	Output is correct
48	Correct	23 ms	7020 KB	Output is correct
49	Correct	23 ms	7252 KB	Output is correct
50	Correct	23 ms	7124 KB	Output is correct
51	Correct	22 ms	7140 KB	Output is correct
52	Correct	28 ms	7208 KB	Output is correct
53	Correct	43 ms	9064 KB	Output is correct
54	Correct	7 ms	5184 KB	Output is correct
55	Correct	17 ms	6228 KB	Output is correct
56	Correct	3 ms	4692 KB	Output is correct
57	Correct	7 ms	5108 KB	Output is correct
58	Correct	4 ms	4948 KB	Output is correct
59	Correct	112 ms	13744 KB	Output is correct
60	Correct	184 ms	16460 KB	Output is correct
61	Correct	187 ms	16064 KB	Output is correct
62	Correct	180 ms	15920 KB	Output is correct
63	Correct	174 ms	17440 KB	Output is correct
64	Correct	190 ms	15956 KB	Output is correct
65	Correct	192 ms	15864 KB	Output is correct
66	Correct	67 ms	9744 KB	Output is correct
67	Correct	185 ms	16860 KB	Output is correct
68	Correct	87 ms	13092 KB	Output is correct
69	Correct	77 ms	9468 KB	Output is correct
70	Correct	126 ms	13276 KB	Output is correct
71	Correct	2 ms	4692 KB	Output is correct
72	Correct	2 ms	4692 KB	Output is correct
73	Correct	2 ms	4692 KB	Output is correct
74	Correct	2 ms	4692 KB	Output is correct
75	Correct	2 ms	4692 KB	Output is correct
76	Correct	2 ms	4692 KB	Output is correct
77	Correct	10 ms	4692 KB	Output is correct
78	Correct	10 ms	4712 KB	Output is correct
79	Correct	9 ms	4692 KB	Output is correct
80	Correct	10 ms	4708 KB	Output is correct
81	Correct	123 ms	11396 KB	Output is correct
82	Correct	135 ms	12884 KB	Output is correct
83	Correct	144 ms	13444 KB	Output is correct
84	Correct	236 ms	17584 KB	Output is correct
85	Correct	221 ms	17408 KB	Output is correct
86	Correct	297 ms	19316 KB	Output is correct
87	Correct	285 ms	19132 KB	Output is correct
88	Correct	3 ms	4692 KB	Output is correct
89	Correct	342 ms	19380 KB	Output is correct
90	Correct	193 ms	16600 KB	Output is correct
91	Correct	199 ms	16248 KB	Output is correct

답안 #627475

Compilation message