답안 #46281 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
46281	2018-04-18T17:31:37 Z	fredbr	Art Exhibition (JOI18_art)	C++17	100 / 100	128 ms	24204 KB

#include <bits/stdc++.h>

#define ff first
#define ss second

using namespace std;

typedef long long ll;
typedef pair<ll, ll> ii;

const int maxn = 500010;
const ll inf = 0x3f3f3f3f3f3f3f3f;

ll p[maxn];
ii v[maxn];

ll a[maxn];
ll b[maxn];

ll s[maxn];

inline ll scan () {
	ll result = 0;
	char ch;
	ch = getchar_unlocked();
	while (true) {
		if (ch >= '0' && ch <= '9') break;
		ch = getchar_unlocked();
	}
	result = ch-'0';
	while (true) {
		ch = getchar_unlocked();
		if (ch < '0' || ch > '9') break;
		result = result*10ll + (ch - '0');
	}
	return result;
}

int main()
{
	int n = scan();

	for (int i = 1; i <= n; i++) v[i].ff = scan(), v[i].ss = scan();

	sort(v+1, v+1+n);

	for (int i = 1; i <= n; i++) p[i] = p[i-1] + v[i].ss;

	for (int i = 1; i <= n; i++) a[i] = -p[i-1] + v[i].ff;

	for (int i = 1; i <= n; i++) b[i] = p[i]-v[i].ff;

	s[n+1] = -inf;
	for (int i = n; i >= 1; i--) s[i] = max(s[i+1], b[i]);

	ll ans = -inf;

	for (int i = 1; i <= n; i++) ans = max(ans, a[i]+s[i]);

	printf("%lld\n", ans);
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	2 ms	480 KB	Output is correct
5	Correct	2 ms	520 KB	Output is correct
6	Correct	1 ms	520 KB	Output is correct
7	Correct	2 ms	616 KB	Output is correct
8	Correct	2 ms	616 KB	Output is correct
9	Correct	2 ms	616 KB	Output is correct
10	Correct	2 ms	616 KB	Output is correct
11	Correct	2 ms	616 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	2 ms	480 KB	Output is correct
5	Correct	2 ms	520 KB	Output is correct
6	Correct	1 ms	520 KB	Output is correct
7	Correct	2 ms	616 KB	Output is correct
8	Correct	2 ms	616 KB	Output is correct
9	Correct	2 ms	616 KB	Output is correct
10	Correct	2 ms	616 KB	Output is correct
11	Correct	2 ms	616 KB	Output is correct
12	Correct	2 ms	616 KB	Output is correct
13	Correct	2 ms	616 KB	Output is correct
14	Correct	2 ms	616 KB	Output is correct
15	Correct	2 ms	616 KB	Output is correct
16	Correct	2 ms	716 KB	Output is correct
17	Correct	2 ms	716 KB	Output is correct
18	Correct	2 ms	724 KB	Output is correct
19	Correct	2 ms	724 KB	Output is correct
20	Correct	2 ms	724 KB	Output is correct
21	Correct	2 ms	724 KB	Output is correct
22	Correct	2 ms	724 KB	Output is correct
23	Correct	2 ms	724 KB	Output is correct
24	Correct	2 ms	724 KB	Output is correct
25	Correct	2 ms	724 KB	Output is correct
26	Correct	2 ms	724 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	2 ms	480 KB	Output is correct
5	Correct	2 ms	520 KB	Output is correct
6	Correct	1 ms	520 KB	Output is correct
7	Correct	2 ms	616 KB	Output is correct
8	Correct	2 ms	616 KB	Output is correct
9	Correct	2 ms	616 KB	Output is correct
10	Correct	2 ms	616 KB	Output is correct
11	Correct	2 ms	616 KB	Output is correct
12	Correct	2 ms	616 KB	Output is correct
13	Correct	2 ms	616 KB	Output is correct
14	Correct	2 ms	616 KB	Output is correct
15	Correct	2 ms	616 KB	Output is correct
16	Correct	2 ms	716 KB	Output is correct
17	Correct	2 ms	716 KB	Output is correct
18	Correct	2 ms	724 KB	Output is correct
19	Correct	2 ms	724 KB	Output is correct
20	Correct	2 ms	724 KB	Output is correct
21	Correct	2 ms	724 KB	Output is correct
22	Correct	2 ms	724 KB	Output is correct
23	Correct	2 ms	724 KB	Output is correct
24	Correct	2 ms	724 KB	Output is correct
25	Correct	2 ms	724 KB	Output is correct
26	Correct	2 ms	724 KB	Output is correct
27	Correct	3 ms	868 KB	Output is correct
28	Correct	3 ms	868 KB	Output is correct
29	Correct	3 ms	868 KB	Output is correct
30	Correct	3 ms	868 KB	Output is correct
31	Correct	3 ms	868 KB	Output is correct
32	Correct	3 ms	948 KB	Output is correct
33	Correct	3 ms	948 KB	Output is correct
34	Correct	4 ms	948 KB	Output is correct
35	Correct	3 ms	948 KB	Output is correct
36	Correct	3 ms	948 KB	Output is correct
37	Correct	3 ms	948 KB	Output is correct
38	Correct	3 ms	992 KB	Output is correct
39	Correct	3 ms	992 KB	Output is correct
40	Correct	4 ms	992 KB	Output is correct
41	Correct	3 ms	992 KB	Output is correct
42	Correct	3 ms	992 KB	Output is correct
43	Correct	3 ms	992 KB	Output is correct
44	Correct	3 ms	992 KB	Output is correct
45	Correct	3 ms	992 KB	Output is correct
46	Correct	3 ms	992 KB	Output is correct
47	Correct	3 ms	992 KB	Output is correct
48	Correct	3 ms	992 KB	Output is correct
49	Correct	3 ms	992 KB	Output is correct
50	Correct	3 ms	992 KB	Output is correct
51	Correct	3 ms	992 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	2 ms	480 KB	Output is correct
5	Correct	2 ms	520 KB	Output is correct
6	Correct	1 ms	520 KB	Output is correct
7	Correct	2 ms	616 KB	Output is correct
8	Correct	2 ms	616 KB	Output is correct
9	Correct	2 ms	616 KB	Output is correct
10	Correct	2 ms	616 KB	Output is correct
11	Correct	2 ms	616 KB	Output is correct
12	Correct	2 ms	616 KB	Output is correct
13	Correct	2 ms	616 KB	Output is correct
14	Correct	2 ms	616 KB	Output is correct
15	Correct	2 ms	616 KB	Output is correct
16	Correct	2 ms	716 KB	Output is correct
17	Correct	2 ms	716 KB	Output is correct
18	Correct	2 ms	724 KB	Output is correct
19	Correct	2 ms	724 KB	Output is correct
20	Correct	2 ms	724 KB	Output is correct
21	Correct	2 ms	724 KB	Output is correct
22	Correct	2 ms	724 KB	Output is correct
23	Correct	2 ms	724 KB	Output is correct
24	Correct	2 ms	724 KB	Output is correct
25	Correct	2 ms	724 KB	Output is correct
26	Correct	2 ms	724 KB	Output is correct
27	Correct	3 ms	868 KB	Output is correct
28	Correct	3 ms	868 KB	Output is correct
29	Correct	3 ms	868 KB	Output is correct
30	Correct	3 ms	868 KB	Output is correct
31	Correct	3 ms	868 KB	Output is correct
32	Correct	3 ms	948 KB	Output is correct
33	Correct	3 ms	948 KB	Output is correct
34	Correct	4 ms	948 KB	Output is correct
35	Correct	3 ms	948 KB	Output is correct
36	Correct	3 ms	948 KB	Output is correct
37	Correct	3 ms	948 KB	Output is correct
38	Correct	3 ms	992 KB	Output is correct
39	Correct	3 ms	992 KB	Output is correct
40	Correct	4 ms	992 KB	Output is correct
41	Correct	3 ms	992 KB	Output is correct
42	Correct	3 ms	992 KB	Output is correct
43	Correct	3 ms	992 KB	Output is correct
44	Correct	3 ms	992 KB	Output is correct
45	Correct	3 ms	992 KB	Output is correct
46	Correct	3 ms	992 KB	Output is correct
47	Correct	3 ms	992 KB	Output is correct
48	Correct	3 ms	992 KB	Output is correct
49	Correct	3 ms	992 KB	Output is correct
50	Correct	3 ms	992 KB	Output is correct
51	Correct	3 ms	992 KB	Output is correct
52	Correct	118 ms	24056 KB	Output is correct
53	Correct	116 ms	24056 KB	Output is correct
54	Correct	113 ms	24136 KB	Output is correct
55	Correct	113 ms	24136 KB	Output is correct
56	Correct	112 ms	24136 KB	Output is correct
57	Correct	115 ms	24136 KB	Output is correct
58	Correct	118 ms	24136 KB	Output is correct
59	Correct	115 ms	24136 KB	Output is correct
60	Correct	112 ms	24136 KB	Output is correct
61	Correct	113 ms	24136 KB	Output is correct
62	Correct	114 ms	24136 KB	Output is correct
63	Correct	118 ms	24136 KB	Output is correct
64	Correct	111 ms	24136 KB	Output is correct
65	Correct	116 ms	24136 KB	Output is correct
66	Correct	113 ms	24136 KB	Output is correct
67	Correct	118 ms	24136 KB	Output is correct
68	Correct	128 ms	24204 KB	Output is correct

답안 #46281

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