Submission #900023

# Submission time Handle Problem Language Result Execution time Memory
900023 2024-01-07T12:28:44 Z DEQK Cake 3 (JOI19_cake3) C++17
100 / 100
2888 ms 12420 KB
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define sz(a) ((int) a.size())
#define F first
#define S second
const int N = 3e5 + 15;
int n, K;
pair<int, int> a[N];
ll ans = -1e18;
int L = 1, R = 0;
ll cur = 0;
set<pair<int, int>> sm, bg;
void add(int p) {
	if(sz(bg) < K) {
		cur += a[p].S;
		bg.insert({a[p].S, p});
	} else {
		assert(sz(bg) == K);
		if(a[p].S > (*(bg.begin())).F) {
			cur -= (*bg.begin()).F;
			sm.insert(*bg.begin());
			bg.erase(bg.begin());
			bg.insert({a[p].S, p});
			cur += a[p].S;
		} else {
			sm.insert({a[p].S, p});
		}
	}
}
void del(int p) {
	if(bg.count({a[p].S, p})) {
		cur -= a[p].S;
		bg.erase({a[p].S, p});
		if(sz(sm)) {
			auto it = sm.end();
			it--;
			cur += (*it).F;
			bg.insert(*it);
			sm.erase(it);
		}
	} else {
		assert(sm.find({a[p].S, p}) != sm.end());
		sm.erase(sm.find({a[p].S, p}));
	}
}
void dnc(int l, int r, int tl, int tr) {
	if(l > r) {
		return;
	}
	int m = (l + r) / 2;
	int pt = tr;
	ll mx = -1e18;
	//cout << l << ' ' << r << ' ' << tl << ' ' << tr << '\n';
	for(int k = max(m, tl); k <= tr; k++) {
		while(R < k) {
			add(++R);
		}
		while(L > m) {
			add(--L);
		}
		while(R > k) {
			del(R--);
		}
		while(L < m) {
			del(L++);
		}
		if(sz(bg) == K && mx <= cur - 2 * (a[k].F - a[m].F)) {
			mx = cur - 2 * (a[k].F - a[m].F);
			pt = k;
		}
	}
	ans = max(ans, mx);
	dnc(l, m - 1, tl, pt);
	dnc(m + 1, r, pt, tr);
}
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> K;
	for(int i = 1; i <= n; i++) {
		cin >> a[i].S;
		cin >> a[i].F;
	}
	sort(a + 1, a + n + 1);
	dnc(1, n, 1, n);
	cout << ans << '\n';
}

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 712 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 712 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 8 ms 348 KB Output is correct
39 Correct 9 ms 448 KB Output is correct
40 Correct 8 ms 560 KB Output is correct
41 Correct 8 ms 560 KB Output is correct
42 Correct 7 ms 348 KB Output is correct
43 Correct 7 ms 348 KB Output is correct
44 Correct 8 ms 348 KB Output is correct
45 Correct 8 ms 348 KB Output is correct
46 Correct 9 ms 348 KB Output is correct
47 Correct 8 ms 348 KB Output is correct
48 Correct 8 ms 348 KB Output is correct
49 Correct 8 ms 348 KB Output is correct
50 Correct 10 ms 348 KB Output is correct
51 Correct 8 ms 348 KB Output is correct
52 Correct 8 ms 552 KB Output is correct
53 Correct 8 ms 348 KB Output is correct
54 Correct 8 ms 348 KB Output is correct
55 Correct 7 ms 568 KB Output is correct
56 Correct 7 ms 564 KB Output is correct
57 Correct 7 ms 348 KB Output is correct
58 Correct 9 ms 348 KB Output is correct
59 Correct 4 ms 348 KB Output is correct
60 Correct 5 ms 348 KB Output is correct
61 Correct 4 ms 348 KB Output is correct
62 Correct 4 ms 344 KB Output is correct
63 Correct 5 ms 344 KB Output is correct
64 Correct 4 ms 348 KB Output is correct
65 Correct 8 ms 348 KB Output is correct
66 Correct 8 ms 348 KB Output is correct
67 Correct 8 ms 600 KB Output is correct
68 Correct 8 ms 344 KB Output is correct
69 Correct 8 ms 348 KB Output is correct
70 Correct 8 ms 560 KB Output is correct
71 Correct 9 ms 348 KB Output is correct
72 Correct 7 ms 348 KB Output is correct
73 Correct 4 ms 348 KB Output is correct
74 Correct 7 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 712 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 8 ms 348 KB Output is correct
39 Correct 9 ms 448 KB Output is correct
40 Correct 8 ms 560 KB Output is correct
41 Correct 8 ms 560 KB Output is correct
42 Correct 7 ms 348 KB Output is correct
43 Correct 7 ms 348 KB Output is correct
44 Correct 8 ms 348 KB Output is correct
45 Correct 8 ms 348 KB Output is correct
46 Correct 9 ms 348 KB Output is correct
47 Correct 8 ms 348 KB Output is correct
48 Correct 8 ms 348 KB Output is correct
49 Correct 8 ms 348 KB Output is correct
50 Correct 10 ms 348 KB Output is correct
51 Correct 8 ms 348 KB Output is correct
52 Correct 8 ms 552 KB Output is correct
53 Correct 8 ms 348 KB Output is correct
54 Correct 8 ms 348 KB Output is correct
55 Correct 7 ms 568 KB Output is correct
56 Correct 7 ms 564 KB Output is correct
57 Correct 7 ms 348 KB Output is correct
58 Correct 9 ms 348 KB Output is correct
59 Correct 4 ms 348 KB Output is correct
60 Correct 5 ms 348 KB Output is correct
61 Correct 4 ms 348 KB Output is correct
62 Correct 4 ms 344 KB Output is correct
63 Correct 5 ms 344 KB Output is correct
64 Correct 4 ms 348 KB Output is correct
65 Correct 8 ms 348 KB Output is correct
66 Correct 8 ms 348 KB Output is correct
67 Correct 8 ms 600 KB Output is correct
68 Correct 8 ms 344 KB Output is correct
69 Correct 8 ms 348 KB Output is correct
70 Correct 8 ms 560 KB Output is correct
71 Correct 9 ms 348 KB Output is correct
72 Correct 7 ms 348 KB Output is correct
73 Correct 4 ms 348 KB Output is correct
74 Correct 7 ms 348 KB Output is correct
75 Correct 2841 ms 11656 KB Output is correct
76 Correct 2645 ms 11176 KB Output is correct
77 Correct 2652 ms 11368 KB Output is correct
78 Correct 2744 ms 11996 KB Output is correct
79 Correct 2208 ms 11600 KB Output is correct
80 Correct 2208 ms 11376 KB Output is correct
81 Correct 2717 ms 9864 KB Output is correct
82 Correct 2706 ms 9392 KB Output is correct
83 Correct 2808 ms 9840 KB Output is correct
84 Correct 2792 ms 9844 KB Output is correct
85 Correct 2673 ms 9956 KB Output is correct
86 Correct 2319 ms 10212 KB Output is correct
87 Correct 2391 ms 10116 KB Output is correct
88 Correct 2469 ms 9800 KB Output is correct
89 Correct 2762 ms 10348 KB Output is correct
90 Correct 2565 ms 10900 KB Output is correct
91 Correct 2268 ms 10352 KB Output is correct
92 Correct 2246 ms 10320 KB Output is correct
93 Correct 2382 ms 10480 KB Output is correct
94 Correct 2518 ms 11408 KB Output is correct
95 Correct 2599 ms 10836 KB Output is correct
96 Correct 731 ms 9104 KB Output is correct
97 Correct 750 ms 9688 KB Output is correct
98 Correct 728 ms 9588 KB Output is correct
99 Correct 738 ms 10104 KB Output is correct
100 Correct 722 ms 10324 KB Output is correct
101 Correct 721 ms 10124 KB Output is correct
102 Correct 1934 ms 9212 KB Output is correct
103 Correct 1834 ms 9848 KB Output is correct
104 Correct 1979 ms 9476 KB Output is correct
105 Correct 1961 ms 10580 KB Output is correct
106 Correct 1964 ms 10576 KB Output is correct
107 Correct 1772 ms 10500 KB Output is correct
108 Correct 2784 ms 11716 KB Output is correct
109 Correct 2888 ms 12420 KB Output is correct
110 Correct 1388 ms 10340 KB Output is correct
111 Correct 1542 ms 9556 KB Output is correct
112 Correct 833 ms 11132 KB Output is correct
113 Correct 2188 ms 11988 KB Output is correct