답안 #225456

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
225456	2020-04-20T15:20:21 Z	Nightlight	Art Exhibition (JOI18_art)	C++14	100 / 100	295 ms	21112 KB

#include <bits/stdc++.h>
#define pii pair<long long, long long>
#define a first
#define b second
using namespace std;

int N;
pii A[500005];
long long ans, best = -1e9;
//pre[i] - pre[j - 1] - (A[i] - A[j])
//pre[i] - A[i] + (A[j] - pre[j - 1])

int main() {
//  freopen("inp", "r", stdin);
  scanf("%d", &N);
  for(int i = 1; i <= N; i++) {
    scanf("%lld %lld", &A[i].a, &A[i].b);
  }
  sort(A + 1, A + N + 1);
  for(int i = 1; i <= N; i++) {
    A[i].b += A[i - 1].b;
    best = max(best, A[i].a - A[i - 1].b);
    ans = max(ans, A[i].b - A[i].a + best);
  }
  printf("%lld\n", ans);
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &N);
   ~~~~~^~~~~~~~~~
art.cpp:17:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld %lld", &A[i].a, &A[i].b);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	256 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	6 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	5 ms	360 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	256 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	6 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	5 ms	360 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	7 ms	512 KB	Output is correct
28	Correct	8 ms	512 KB	Output is correct
29	Correct	7 ms	512 KB	Output is correct
30	Correct	7 ms	512 KB	Output is correct
31	Correct	7 ms	512 KB	Output is correct
32	Correct	9 ms	512 KB	Output is correct
33	Correct	7 ms	560 KB	Output is correct
34	Correct	8 ms	512 KB	Output is correct
35	Correct	7 ms	512 KB	Output is correct
36	Correct	7 ms	512 KB	Output is correct
37	Correct	8 ms	512 KB	Output is correct
38	Correct	7 ms	512 KB	Output is correct
39	Correct	7 ms	512 KB	Output is correct
40	Correct	7 ms	512 KB	Output is correct
41	Correct	8 ms	512 KB	Output is correct
42	Correct	7 ms	512 KB	Output is correct
43	Correct	7 ms	512 KB	Output is correct
44	Correct	7 ms	512 KB	Output is correct
45	Correct	7 ms	512 KB	Output is correct
46	Correct	7 ms	512 KB	Output is correct
47	Correct	7 ms	512 KB	Output is correct
48	Correct	8 ms	512 KB	Output is correct
49	Correct	7 ms	512 KB	Output is correct
50	Correct	8 ms	512 KB	Output is correct
51	Correct	8 ms	512 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	256 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	6 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	5 ms	360 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	7 ms	512 KB	Output is correct
28	Correct	8 ms	512 KB	Output is correct
29	Correct	7 ms	512 KB	Output is correct
30	Correct	7 ms	512 KB	Output is correct
31	Correct	7 ms	512 KB	Output is correct
32	Correct	9 ms	512 KB	Output is correct
33	Correct	7 ms	560 KB	Output is correct
34	Correct	8 ms	512 KB	Output is correct
35	Correct	7 ms	512 KB	Output is correct
36	Correct	7 ms	512 KB	Output is correct
37	Correct	8 ms	512 KB	Output is correct
38	Correct	7 ms	512 KB	Output is correct
39	Correct	7 ms	512 KB	Output is correct
40	Correct	7 ms	512 KB	Output is correct
41	Correct	8 ms	512 KB	Output is correct
42	Correct	7 ms	512 KB	Output is correct
43	Correct	7 ms	512 KB	Output is correct
44	Correct	7 ms	512 KB	Output is correct
45	Correct	7 ms	512 KB	Output is correct
46	Correct	7 ms	512 KB	Output is correct
47	Correct	7 ms	512 KB	Output is correct
48	Correct	8 ms	512 KB	Output is correct
49	Correct	7 ms	512 KB	Output is correct
50	Correct	8 ms	512 KB	Output is correct
51	Correct	8 ms	512 KB	Output is correct
52	Correct	294 ms	20728 KB	Output is correct
53	Correct	288 ms	20868 KB	Output is correct
54	Correct	291 ms	20860 KB	Output is correct
55	Correct	295 ms	20856 KB	Output is correct
56	Correct	289 ms	20984 KB	Output is correct
57	Correct	282 ms	20856 KB	Output is correct
58	Correct	289 ms	20856 KB	Output is correct
59	Correct	282 ms	20856 KB	Output is correct
60	Correct	283 ms	21112 KB	Output is correct
61	Correct	287 ms	20724 KB	Output is correct
62	Correct	279 ms	20856 KB	Output is correct
63	Correct	288 ms	20852 KB	Output is correct
64	Correct	284 ms	20824 KB	Output is correct
65	Correct	284 ms	20848 KB	Output is correct
66	Correct	281 ms	20984 KB	Output is correct
67	Correct	285 ms	20852 KB	Output is correct
68	Correct	276 ms	20784 KB	Output is correct

답안 #225456

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
50.0 / 50.0