Submission #46279

# Submission time Handle Problem Language Result Execution time Memory
46279 2018-04-18T17:26:47 Z fredbr Art Exhibition (JOI18_art) C++17
50 / 100
1000 ms 24080 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];

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);

	int n;
	cin >> n;

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

	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++) {

		for (int j = i; j <= n; j++) {

			ans = max(ans, a[i]+b[j]);
		}
	}


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

	cout << ans << "\n";
}
# Verdict Execution time Memory 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 512 KB Output is correct
5 Correct 2 ms 564 KB Output is correct
6 Correct 2 ms 564 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 2 ms 600 KB Output is correct
9 Correct 2 ms 648 KB Output is correct
10 Correct 2 ms 648 KB Output is correct
11 Correct 2 ms 648 KB Output is correct
# Verdict Execution time Memory 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 512 KB Output is correct
5 Correct 2 ms 564 KB Output is correct
6 Correct 2 ms 564 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 2 ms 600 KB Output is correct
9 Correct 2 ms 648 KB Output is correct
10 Correct 2 ms 648 KB Output is correct
11 Correct 2 ms 648 KB Output is correct
12 Correct 2 ms 648 KB Output is correct
13 Correct 2 ms 680 KB Output is correct
14 Correct 2 ms 680 KB Output is correct
15 Correct 2 ms 680 KB Output is correct
16 Correct 2 ms 680 KB Output is correct
17 Correct 2 ms 680 KB Output is correct
18 Correct 2 ms 680 KB Output is correct
19 Correct 2 ms 680 KB Output is correct
20 Correct 2 ms 680 KB Output is correct
21 Correct 2 ms 680 KB Output is correct
22 Correct 2 ms 680 KB Output is correct
23 Correct 2 ms 680 KB Output is correct
24 Correct 2 ms 680 KB Output is correct
25 Correct 2 ms 680 KB Output is correct
26 Correct 2 ms 680 KB Output is correct
# Verdict Execution time Memory 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 512 KB Output is correct
5 Correct 2 ms 564 KB Output is correct
6 Correct 2 ms 564 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 2 ms 600 KB Output is correct
9 Correct 2 ms 648 KB Output is correct
10 Correct 2 ms 648 KB Output is correct
11 Correct 2 ms 648 KB Output is correct
12 Correct 2 ms 648 KB Output is correct
13 Correct 2 ms 680 KB Output is correct
14 Correct 2 ms 680 KB Output is correct
15 Correct 2 ms 680 KB Output is correct
16 Correct 2 ms 680 KB Output is correct
17 Correct 2 ms 680 KB Output is correct
18 Correct 2 ms 680 KB Output is correct
19 Correct 2 ms 680 KB Output is correct
20 Correct 2 ms 680 KB Output is correct
21 Correct 2 ms 680 KB Output is correct
22 Correct 2 ms 680 KB Output is correct
23 Correct 2 ms 680 KB Output is correct
24 Correct 2 ms 680 KB Output is correct
25 Correct 2 ms 680 KB Output is correct
26 Correct 2 ms 680 KB Output is correct
27 Correct 16 ms 868 KB Output is correct
28 Correct 15 ms 868 KB Output is correct
29 Correct 15 ms 868 KB Output is correct
30 Correct 15 ms 868 KB Output is correct
31 Correct 16 ms 868 KB Output is correct
32 Correct 15 ms 992 KB Output is correct
33 Correct 16 ms 992 KB Output is correct
34 Correct 17 ms 992 KB Output is correct
35 Correct 17 ms 992 KB Output is correct
36 Correct 15 ms 992 KB Output is correct
37 Correct 16 ms 992 KB Output is correct
38 Correct 16 ms 992 KB Output is correct
39 Correct 16 ms 992 KB Output is correct
40 Correct 16 ms 992 KB Output is correct
41 Correct 16 ms 992 KB Output is correct
42 Correct 20 ms 992 KB Output is correct
43 Correct 16 ms 992 KB Output is correct
44 Correct 17 ms 992 KB Output is correct
45 Correct 16 ms 992 KB Output is correct
46 Correct 16 ms 992 KB Output is correct
47 Correct 22 ms 992 KB Output is correct
48 Correct 16 ms 992 KB Output is correct
49 Correct 16 ms 992 KB Output is correct
50 Correct 16 ms 992 KB Output is correct
51 Correct 17 ms 992 KB Output is correct
# Verdict Execution time Memory 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 512 KB Output is correct
5 Correct 2 ms 564 KB Output is correct
6 Correct 2 ms 564 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 2 ms 600 KB Output is correct
9 Correct 2 ms 648 KB Output is correct
10 Correct 2 ms 648 KB Output is correct
11 Correct 2 ms 648 KB Output is correct
12 Correct 2 ms 648 KB Output is correct
13 Correct 2 ms 680 KB Output is correct
14 Correct 2 ms 680 KB Output is correct
15 Correct 2 ms 680 KB Output is correct
16 Correct 2 ms 680 KB Output is correct
17 Correct 2 ms 680 KB Output is correct
18 Correct 2 ms 680 KB Output is correct
19 Correct 2 ms 680 KB Output is correct
20 Correct 2 ms 680 KB Output is correct
21 Correct 2 ms 680 KB Output is correct
22 Correct 2 ms 680 KB Output is correct
23 Correct 2 ms 680 KB Output is correct
24 Correct 2 ms 680 KB Output is correct
25 Correct 2 ms 680 KB Output is correct
26 Correct 2 ms 680 KB Output is correct
27 Correct 16 ms 868 KB Output is correct
28 Correct 15 ms 868 KB Output is correct
29 Correct 15 ms 868 KB Output is correct
30 Correct 15 ms 868 KB Output is correct
31 Correct 16 ms 868 KB Output is correct
32 Correct 15 ms 992 KB Output is correct
33 Correct 16 ms 992 KB Output is correct
34 Correct 17 ms 992 KB Output is correct
35 Correct 17 ms 992 KB Output is correct
36 Correct 15 ms 992 KB Output is correct
37 Correct 16 ms 992 KB Output is correct
38 Correct 16 ms 992 KB Output is correct
39 Correct 16 ms 992 KB Output is correct
40 Correct 16 ms 992 KB Output is correct
41 Correct 16 ms 992 KB Output is correct
42 Correct 20 ms 992 KB Output is correct
43 Correct 16 ms 992 KB Output is correct
44 Correct 17 ms 992 KB Output is correct
45 Correct 16 ms 992 KB Output is correct
46 Correct 16 ms 992 KB Output is correct
47 Correct 22 ms 992 KB Output is correct
48 Correct 16 ms 992 KB Output is correct
49 Correct 16 ms 992 KB Output is correct
50 Correct 16 ms 992 KB Output is correct
51 Correct 17 ms 992 KB Output is correct
52 Execution timed out 1083 ms 24080 KB Time limit exceeded
53 Halted 0 ms 0 KB -