답안 #1106749

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1106749	2024-10-31T02:41:41 Z	duckindog	Art Exhibition (JOI18_art)	C++17	100 / 100	118 ms	16100 KB

art

#include <bits/stdc++.h>

using namespace std;

#define int long long

const int N = 500'000 + 10;
int n;
pair<int, int> art[N];

int f[N][2];

int32_t main() { 
  cin.tie(0)->sync_with_stdio(0);

  cin >> n;
  for (int i = 1; i <= n; ++i) cin >> art[i].first >> art[i].second;

  sort(art + 1, art + n + 1);
  memset(f, -30, sizeof f);
  for (int i = 1; i <= n; ++i) { 
    const auto& [a, b] = art[i];
    f[i][0] = max(f[i - 1][0] + b, b + a);
    f[i][1] = max({f[i - 1][1], f[i - 1][0] + b - a, b});
  } 

  cout << f[n][1] << "\n";
}

Subtask #1

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	8784 KB	Output is correct
2	Correct	1 ms	8784 KB	Output is correct
3	Correct	2 ms	8784 KB	Output is correct
4	Correct	2 ms	8784 KB	Output is correct
5	Correct	2 ms	8784 KB	Output is correct
6	Correct	2 ms	8784 KB	Output is correct
7	Correct	1 ms	8784 KB	Output is correct
8	Correct	1 ms	8784 KB	Output is correct
9	Correct	2 ms	8784 KB	Output is correct
10	Correct	2 ms	8784 KB	Output is correct
11	Correct	2 ms	8784 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	8784 KB	Output is correct
2	Correct	1 ms	8784 KB	Output is correct
3	Correct	2 ms	8784 KB	Output is correct
4	Correct	2 ms	8784 KB	Output is correct
5	Correct	2 ms	8784 KB	Output is correct
6	Correct	2 ms	8784 KB	Output is correct
7	Correct	1 ms	8784 KB	Output is correct
8	Correct	1 ms	8784 KB	Output is correct
9	Correct	2 ms	8784 KB	Output is correct
10	Correct	2 ms	8784 KB	Output is correct
11	Correct	2 ms	8784 KB	Output is correct
12	Correct	2 ms	8784 KB	Output is correct
13	Correct	1 ms	8784 KB	Output is correct
14	Correct	2 ms	8796 KB	Output is correct
15	Correct	2 ms	8784 KB	Output is correct
16	Correct	2 ms	8784 KB	Output is correct
17	Correct	2 ms	8784 KB	Output is correct
18	Correct	2 ms	8784 KB	Output is correct
19	Correct	2 ms	8784 KB	Output is correct
20	Correct	2 ms	8784 KB	Output is correct
21	Correct	2 ms	8784 KB	Output is correct
22	Correct	2 ms	8784 KB	Output is correct
23	Correct	2 ms	8784 KB	Output is correct
24	Correct	1 ms	8784 KB	Output is correct
25	Correct	2 ms	8784 KB	Output is correct
26	Correct	2 ms	8784 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	8784 KB	Output is correct
2	Correct	1 ms	8784 KB	Output is correct
3	Correct	2 ms	8784 KB	Output is correct
4	Correct	2 ms	8784 KB	Output is correct
5	Correct	2 ms	8784 KB	Output is correct
6	Correct	2 ms	8784 KB	Output is correct
7	Correct	1 ms	8784 KB	Output is correct
8	Correct	1 ms	8784 KB	Output is correct
9	Correct	2 ms	8784 KB	Output is correct
10	Correct	2 ms	8784 KB	Output is correct
11	Correct	2 ms	8784 KB	Output is correct
12	Correct	2 ms	8784 KB	Output is correct
13	Correct	1 ms	8784 KB	Output is correct
14	Correct	2 ms	8796 KB	Output is correct
15	Correct	2 ms	8784 KB	Output is correct
16	Correct	2 ms	8784 KB	Output is correct
17	Correct	2 ms	8784 KB	Output is correct
18	Correct	2 ms	8784 KB	Output is correct
19	Correct	2 ms	8784 KB	Output is correct
20	Correct	2 ms	8784 KB	Output is correct
21	Correct	2 ms	8784 KB	Output is correct
22	Correct	2 ms	8784 KB	Output is correct
23	Correct	2 ms	8784 KB	Output is correct
24	Correct	1 ms	8784 KB	Output is correct
25	Correct	2 ms	8784 KB	Output is correct
26	Correct	2 ms	8784 KB	Output is correct
27	Correct	3 ms	8784 KB	Output is correct
28	Correct	2 ms	8784 KB	Output is correct
29	Correct	3 ms	8784 KB	Output is correct
30	Correct	3 ms	8784 KB	Output is correct
31	Correct	3 ms	8784 KB	Output is correct
32	Correct	3 ms	8784 KB	Output is correct
33	Correct	2 ms	8784 KB	Output is correct
34	Correct	3 ms	8784 KB	Output is correct
35	Correct	4 ms	8848 KB	Output is correct
36	Correct	3 ms	8784 KB	Output is correct
37	Correct	3 ms	8784 KB	Output is correct
38	Correct	3 ms	8784 KB	Output is correct
39	Correct	3 ms	8784 KB	Output is correct
40	Correct	3 ms	8956 KB	Output is correct
41	Correct	3 ms	8668 KB	Output is correct
42	Correct	3 ms	8952 KB	Output is correct
43	Correct	3 ms	8784 KB	Output is correct
44	Correct	3 ms	8784 KB	Output is correct
45	Correct	2 ms	8784 KB	Output is correct
46	Correct	3 ms	8784 KB	Output is correct
47	Correct	3 ms	8784 KB	Output is correct
48	Correct	3 ms	8784 KB	Output is correct
49	Correct	3 ms	8784 KB	Output is correct
50	Correct	3 ms	9024 KB	Output is correct
51	Correct	3 ms	8784 KB	Output is correct

Subtask #4

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	8784 KB	Output is correct
2	Correct	1 ms	8784 KB	Output is correct
3	Correct	2 ms	8784 KB	Output is correct
4	Correct	2 ms	8784 KB	Output is correct
5	Correct	2 ms	8784 KB	Output is correct
6	Correct	2 ms	8784 KB	Output is correct
7	Correct	1 ms	8784 KB	Output is correct
8	Correct	1 ms	8784 KB	Output is correct
9	Correct	2 ms	8784 KB	Output is correct
10	Correct	2 ms	8784 KB	Output is correct
11	Correct	2 ms	8784 KB	Output is correct
12	Correct	2 ms	8784 KB	Output is correct
13	Correct	1 ms	8784 KB	Output is correct
14	Correct	2 ms	8796 KB	Output is correct
15	Correct	2 ms	8784 KB	Output is correct
16	Correct	2 ms	8784 KB	Output is correct
17	Correct	2 ms	8784 KB	Output is correct
18	Correct	2 ms	8784 KB	Output is correct
19	Correct	2 ms	8784 KB	Output is correct
20	Correct	2 ms	8784 KB	Output is correct
21	Correct	2 ms	8784 KB	Output is correct
22	Correct	2 ms	8784 KB	Output is correct
23	Correct	2 ms	8784 KB	Output is correct
24	Correct	1 ms	8784 KB	Output is correct
25	Correct	2 ms	8784 KB	Output is correct
26	Correct	2 ms	8784 KB	Output is correct
27	Correct	3 ms	8784 KB	Output is correct
28	Correct	2 ms	8784 KB	Output is correct
29	Correct	3 ms	8784 KB	Output is correct
30	Correct	3 ms	8784 KB	Output is correct
31	Correct	3 ms	8784 KB	Output is correct
32	Correct	3 ms	8784 KB	Output is correct
33	Correct	2 ms	8784 KB	Output is correct
34	Correct	3 ms	8784 KB	Output is correct
35	Correct	4 ms	8848 KB	Output is correct
36	Correct	3 ms	8784 KB	Output is correct
37	Correct	3 ms	8784 KB	Output is correct
38	Correct	3 ms	8784 KB	Output is correct
39	Correct	3 ms	8784 KB	Output is correct
40	Correct	3 ms	8956 KB	Output is correct
41	Correct	3 ms	8668 KB	Output is correct
42	Correct	3 ms	8952 KB	Output is correct
43	Correct	3 ms	8784 KB	Output is correct
44	Correct	3 ms	8784 KB	Output is correct
45	Correct	2 ms	8784 KB	Output is correct
46	Correct	3 ms	8784 KB	Output is correct
47	Correct	3 ms	8784 KB	Output is correct
48	Correct	3 ms	8784 KB	Output is correct
49	Correct	3 ms	8784 KB	Output is correct
50	Correct	3 ms	9024 KB	Output is correct
51	Correct	3 ms	8784 KB	Output is correct
52	Correct	115 ms	15952 KB	Output is correct
53	Correct	116 ms	15952 KB	Output is correct
54	Correct	111 ms	15944 KB	Output is correct
55	Correct	111 ms	16100 KB	Output is correct
56	Correct	111 ms	16088 KB	Output is correct
57	Correct	110 ms	15944 KB	Output is correct
58	Correct	109 ms	16084 KB	Output is correct
59	Correct	108 ms	16088 KB	Output is correct
60	Correct	115 ms	15944 KB	Output is correct
61	Correct	118 ms	16088 KB	Output is correct
62	Correct	111 ms	15944 KB	Output is correct
63	Correct	109 ms	16084 KB	Output is correct
64	Correct	110 ms	16092 KB	Output is correct
65	Correct	110 ms	15948 KB	Output is correct
66	Correct	114 ms	15944 KB	Output is correct
67	Correct	109 ms	15960 KB	Output is correct
68	Correct	109 ms	15944 KB	Output is correct