답안 #93777

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
93777 2019-01-11T05:23:09 Z silxikys Art Exhibition (JOI18_art) C++14
100 / 100
214 ms 20984 KB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int maxn = 5e5+5;
int N;
pair<ll,ll> a[maxn];

ll f(int l, int r) {
	if (l > r) return 0;
	if (l == r) {
		return a[l].second;
	}	
	int m = (l+r)/2;
	//get max of arrays that go thru mid
	ll lmax = 0, lcurr = 0;
	for (int i = m; i >= l; i--) {
		lcurr += a[i].second;
		lmax = max(lmax,lcurr-(a[m].first-a[i].first));
	}
	ll rmax = 0, rcurr = 0;
	for (int i = m + 1; i <= r; i++) {
		rcurr += a[i].second;
		rmax = max(rmax,rcurr-(a[i].first-a[m].first));
	}
	return max(lmax+rmax,max(f(l,m),f(m+1,r)));
}

int main()
{
    ios_base::sync_with_stdio(false); cin.tie(NULL);
    cin >> N;
    for (int i = 0; i < N; i++) {
    	cin >> a[i].first >> a[i].second;
    }
    sort(a,a+N);
    ll ans = f(0,N-1);
    cout << ans << '\n';

    return 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 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
# 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 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
# 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 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 3 ms 508 KB Output is correct
28 Correct 4 ms 508 KB Output is correct
29 Correct 4 ms 504 KB Output is correct
30 Correct 3 ms 504 KB Output is correct
31 Correct 4 ms 504 KB Output is correct
32 Correct 4 ms 508 KB Output is correct
33 Correct 4 ms 504 KB Output is correct
34 Correct 4 ms 632 KB Output is correct
35 Correct 4 ms 504 KB Output is correct
36 Correct 4 ms 504 KB Output is correct
37 Correct 4 ms 508 KB Output is correct
38 Correct 4 ms 504 KB Output is correct
39 Correct 5 ms 504 KB Output is correct
40 Correct 4 ms 504 KB Output is correct
41 Correct 4 ms 508 KB Output is correct
42 Correct 3 ms 504 KB Output is correct
43 Correct 4 ms 632 KB Output is correct
44 Correct 3 ms 504 KB Output is correct
45 Correct 4 ms 504 KB Output is correct
46 Correct 4 ms 504 KB Output is correct
47 Correct 4 ms 504 KB Output is correct
48 Correct 4 ms 504 KB Output is correct
49 Correct 4 ms 504 KB Output is correct
50 Correct 4 ms 508 KB Output is correct
51 Correct 4 ms 632 KB Output is correct
# 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 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 3 ms 508 KB Output is correct
28 Correct 4 ms 508 KB Output is correct
29 Correct 4 ms 504 KB Output is correct
30 Correct 3 ms 504 KB Output is correct
31 Correct 4 ms 504 KB Output is correct
32 Correct 4 ms 508 KB Output is correct
33 Correct 4 ms 504 KB Output is correct
34 Correct 4 ms 632 KB Output is correct
35 Correct 4 ms 504 KB Output is correct
36 Correct 4 ms 504 KB Output is correct
37 Correct 4 ms 508 KB Output is correct
38 Correct 4 ms 504 KB Output is correct
39 Correct 5 ms 504 KB Output is correct
40 Correct 4 ms 504 KB Output is correct
41 Correct 4 ms 508 KB Output is correct
42 Correct 3 ms 504 KB Output is correct
43 Correct 4 ms 632 KB Output is correct
44 Correct 3 ms 504 KB Output is correct
45 Correct 4 ms 504 KB Output is correct
46 Correct 4 ms 504 KB Output is correct
47 Correct 4 ms 504 KB Output is correct
48 Correct 4 ms 504 KB Output is correct
49 Correct 4 ms 504 KB Output is correct
50 Correct 4 ms 508 KB Output is correct
51 Correct 4 ms 632 KB Output is correct
52 Correct 209 ms 20896 KB Output is correct
53 Correct 202 ms 20856 KB Output is correct
54 Correct 214 ms 20856 KB Output is correct
55 Correct 206 ms 20792 KB Output is correct
56 Correct 199 ms 20856 KB Output is correct
57 Correct 206 ms 20884 KB Output is correct
58 Correct 207 ms 20984 KB Output is correct
59 Correct 206 ms 20856 KB Output is correct
60 Correct 205 ms 20888 KB Output is correct
61 Correct 207 ms 20728 KB Output is correct
62 Correct 205 ms 20916 KB Output is correct
63 Correct 205 ms 20760 KB Output is correct
64 Correct 199 ms 20804 KB Output is correct
65 Correct 202 ms 20932 KB Output is correct
66 Correct 205 ms 20728 KB Output is correct
67 Correct 205 ms 20728 KB Output is correct
68 Correct 210 ms 20836 KB Output is correct