답안 #197027

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
197027 2020-01-18T07:40:46 Z Juney Art Exhibition (JOI18_art) C++14
100 / 100
298 ms 24708 KB
#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 5e5 + 5;

int N;
ll A[MAXN], V[MAXN], S[MAXN], ans;
pll in[MAXN];

void f(int s, int e, int l, int r) {
	if(r < l) return;
	int mid = l + r >> 1;
	int k = -1;
	ll val = 0;
	for(int i=max(s, mid); i<=e; i++) {
		if(val < S[i] - S[mid-1] - A[i] + A[mid]) {
			val = S[i] - S[mid-1] - A[i] + A[mid];
			k = i;
		}
	}
	ans = max(ans, val);
	f(s, k, l, mid-1); f(k, e, mid+1, r);
}

int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	cin >> N;
	for(int i=1; i<=N; i++) cin >> in[i].fi >> in[i].se;
	sort(in+1, in+1+N);
	for(int i=1; i<=N; i++) A[i] = in[i].fi, V[i] = in[i].se, S[i] = S[i-1] + V[i];
	f(1, N, 1, N);
	cout << ans;
}

Compilation message

art.cpp: In function 'void f(int, int, int, int)':
art.cpp:19:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid = l + r >> 1;
            ~~^~~
# 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 248 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 0 ms 376 KB Output is correct
10 Correct 2 ms 380 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 248 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 0 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 404 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 3 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 1 ms 324 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 248 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 0 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 404 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 3 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 1 ms 324 KB Output is correct
27 Correct 5 ms 632 KB Output is correct
28 Correct 5 ms 760 KB Output is correct
29 Correct 5 ms 632 KB Output is correct
30 Correct 5 ms 632 KB Output is correct
31 Correct 5 ms 760 KB Output is correct
32 Correct 5 ms 760 KB Output is correct
33 Correct 5 ms 632 KB Output is correct
34 Correct 5 ms 760 KB Output is correct
35 Correct 5 ms 636 KB Output is correct
36 Correct 5 ms 760 KB Output is correct
37 Correct 4 ms 732 KB Output is correct
38 Correct 3 ms 760 KB Output is correct
39 Correct 5 ms 760 KB Output is correct
40 Correct 5 ms 760 KB Output is correct
41 Correct 5 ms 760 KB Output is correct
42 Correct 5 ms 632 KB Output is correct
43 Correct 5 ms 632 KB Output is correct
44 Correct 5 ms 632 KB Output is correct
45 Correct 6 ms 672 KB Output is correct
46 Correct 5 ms 632 KB Output is correct
47 Correct 6 ms 760 KB Output is correct
48 Correct 6 ms 760 KB Output is correct
49 Correct 5 ms 632 KB Output is correct
50 Correct 5 ms 760 KB Output is correct
51 Correct 6 ms 760 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 248 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 0 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 404 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 3 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 1 ms 324 KB Output is correct
27 Correct 5 ms 632 KB Output is correct
28 Correct 5 ms 760 KB Output is correct
29 Correct 5 ms 632 KB Output is correct
30 Correct 5 ms 632 KB Output is correct
31 Correct 5 ms 760 KB Output is correct
32 Correct 5 ms 760 KB Output is correct
33 Correct 5 ms 632 KB Output is correct
34 Correct 5 ms 760 KB Output is correct
35 Correct 5 ms 636 KB Output is correct
36 Correct 5 ms 760 KB Output is correct
37 Correct 4 ms 732 KB Output is correct
38 Correct 3 ms 760 KB Output is correct
39 Correct 5 ms 760 KB Output is correct
40 Correct 5 ms 760 KB Output is correct
41 Correct 5 ms 760 KB Output is correct
42 Correct 5 ms 632 KB Output is correct
43 Correct 5 ms 632 KB Output is correct
44 Correct 5 ms 632 KB Output is correct
45 Correct 6 ms 672 KB Output is correct
46 Correct 5 ms 632 KB Output is correct
47 Correct 6 ms 760 KB Output is correct
48 Correct 6 ms 760 KB Output is correct
49 Correct 5 ms 632 KB Output is correct
50 Correct 5 ms 760 KB Output is correct
51 Correct 6 ms 760 KB Output is correct
52 Correct 263 ms 24708 KB Output is correct
53 Correct 271 ms 24464 KB Output is correct
54 Correct 269 ms 24440 KB Output is correct
55 Correct 268 ms 24572 KB Output is correct
56 Correct 277 ms 24444 KB Output is correct
57 Correct 267 ms 24444 KB Output is correct
58 Correct 287 ms 24524 KB Output is correct
59 Correct 275 ms 24528 KB Output is correct
60 Correct 278 ms 24500 KB Output is correct
61 Correct 272 ms 24464 KB Output is correct
62 Correct 272 ms 24420 KB Output is correct
63 Correct 282 ms 24396 KB Output is correct
64 Correct 297 ms 24432 KB Output is correct
65 Correct 298 ms 24440 KB Output is correct
66 Correct 289 ms 24440 KB Output is correct
67 Correct 268 ms 24440 KB Output is correct
68 Correct 268 ms 24440 KB Output is correct