답안 #989402

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
989402	2024-05-28T06:20:48 Z	PenguinsAreCute	Cake 3 (JOI19_cake3)	C++17	100 / 100	890 ms	80580 KB

cake3

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define whatis(x) cout<<"line "<<__LINE__<<": "<<#x<<" is "<<(x)<<endl
//#define whatis(x) 1210
int v[201210], c[201210];
using ii = pair<int,int>;
struct topm {
	int m = 0, ans = 0, sz = 0; multiset<int> s1, s2;
	priority_queue<ii> pq1, pq2;
	bitset<201210> in1, in2;
	topm() {}
	void push(int x) {
		pq1.push({-v[x],x});
		++sz;
		ans += v[x];
		in1[x] = 1;
	}
	void pop(int x) {
		in2[x]=0;
		if(in1[x]) ans-=v[x],in1[x]=0,--sz;
	}
	int val() {
		while(sz<m && pq2.size()) {
			while(pq2.size()&&!in2[pq2.top().second]) pq2.pop();
			if(!pq2.size()) break;
			ans += pq2.top().first;
			pq1.push({-pq2.top().first,pq2.top().second});
			++sz;
			in2[pq2.top().second]=0;in1[pq2.top().second]=1;
			pq2.pop();
		}
		while(sz>m) {
			while(pq1.size()&&!in1[pq1.top().second]) pq1.pop();
			ans += pq1.top().first;
			pq2.push({-pq1.top().first,pq1.top().second});
			in1[pq1.top().second]=0;in2[pq1.top().second]=1;
			pq1.pop();
			--sz;
		}
		return (sz>=m?ans:-1e10);
	}
} idk;
int l = 0, r = -1, m, ans = 0;
int qry(int x, int y) {
	while(r<y) idk.push(++r);
	while(l>x) idk.push(--l);
	while(r>y) idk.pop(r--);
	while(l<x) idk.pop(l++);
	return idk.val()+2*(c[x]-c[y]);
}
int dp[201210];
void dnc(int l, int r, int optl, int optr) {
	if(l>r) return;
	int mi = l+r>>1;
	pair<int,int> best = {-1e10,-1};
	for(int k=optl;k<=min(mi,optr);k++) best=max(best,{qry(k,mi),k});
	dp[mi]=best.first;
	int opt=best.second;
	dnc(l,mi-1,optl,opt);
	dnc(mi+1,r,opt,optr);
}
signed main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	int n; cin >> n >> m;
	idk.m = m;
	pair<int,int> stuff[n];
	for(int i=0;i<n;i++) cin>>stuff[i].second>>stuff[i].first;
	sort(stuff,stuff+n);
	for(int i=0;i<n;i++) v[i]=stuff[i].second,c[i]=stuff[i].first;
	dnc(m-1,n-1,0,n-1);
	cout << *max_element(dp+m-1,dp+n);
}

Compilation message

cake3.cpp: In function 'void dnc(long long int, long long int, long long int, long long int)':
cake3.cpp:55:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   55 |  int mi = l+r>>1;
      |           ~^~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4440 KB	Output is correct
4	Correct	1 ms	4440 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4568 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4444 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	1 ms	4696 KB	Output is correct
12	Correct	1 ms	4444 KB	Output is correct
13	Correct	1 ms	4444 KB	Output is correct
14	Correct	1 ms	4440 KB	Output is correct
15	Correct	1 ms	4444 KB	Output is correct
16	Correct	1 ms	4444 KB	Output is correct
17	Correct	1 ms	4444 KB	Output is correct
18	Correct	1 ms	4444 KB	Output is correct
19	Correct	1 ms	4444 KB	Output is correct
20	Correct	1 ms	4444 KB	Output is correct
21	Correct	1 ms	4444 KB	Output is correct
22	Correct	1 ms	4444 KB	Output is correct
23	Correct	1 ms	4444 KB	Output is correct
24	Correct	1 ms	4444 KB	Output is correct
25	Correct	1 ms	4444 KB	Output is correct
26	Correct	1 ms	4444 KB	Output is correct
27	Correct	1 ms	4444 KB	Output is correct
28	Correct	1 ms	4444 KB	Output is correct
29	Correct	1 ms	4444 KB	Output is correct
30	Correct	1 ms	4444 KB	Output is correct
31	Correct	1 ms	4444 KB	Output is correct
32	Correct	1 ms	4444 KB	Output is correct
33	Correct	1 ms	4444 KB	Output is correct
34	Correct	1 ms	4444 KB	Output is correct
35	Correct	1 ms	4444 KB	Output is correct
36	Correct	1 ms	4444 KB	Output is correct
37	Correct	1 ms	4444 KB	Output is correct

Subtask #2
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4440 KB	Output is correct
4	Correct	1 ms	4440 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4568 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4444 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	1 ms	4696 KB	Output is correct
12	Correct	1 ms	4444 KB	Output is correct
13	Correct	1 ms	4444 KB	Output is correct
14	Correct	1 ms	4440 KB	Output is correct
15	Correct	1 ms	4444 KB	Output is correct
16	Correct	1 ms	4444 KB	Output is correct
17	Correct	1 ms	4444 KB	Output is correct
18	Correct	1 ms	4444 KB	Output is correct
19	Correct	1 ms	4444 KB	Output is correct
20	Correct	1 ms	4444 KB	Output is correct
21	Correct	1 ms	4444 KB	Output is correct
22	Correct	1 ms	4444 KB	Output is correct
23	Correct	1 ms	4444 KB	Output is correct
24	Correct	1 ms	4444 KB	Output is correct
25	Correct	1 ms	4444 KB	Output is correct
26	Correct	1 ms	4444 KB	Output is correct
27	Correct	1 ms	4444 KB	Output is correct
28	Correct	1 ms	4444 KB	Output is correct
29	Correct	1 ms	4444 KB	Output is correct
30	Correct	1 ms	4444 KB	Output is correct
31	Correct	1 ms	4444 KB	Output is correct
32	Correct	1 ms	4444 KB	Output is correct
33	Correct	1 ms	4444 KB	Output is correct
34	Correct	1 ms	4444 KB	Output is correct
35	Correct	1 ms	4444 KB	Output is correct
36	Correct	1 ms	4444 KB	Output is correct
37	Correct	1 ms	4444 KB	Output is correct
38	Correct	5 ms	4700 KB	Output is correct
39	Correct	5 ms	4956 KB	Output is correct
40	Correct	4 ms	4952 KB	Output is correct
41	Correct	4 ms	4956 KB	Output is correct
42	Correct	3 ms	4956 KB	Output is correct
43	Correct	3 ms	4956 KB	Output is correct
44	Correct	4 ms	4956 KB	Output is correct
45	Correct	5 ms	4956 KB	Output is correct
46	Correct	4 ms	4956 KB	Output is correct
47	Correct	4 ms	4956 KB	Output is correct
48	Correct	4 ms	4956 KB	Output is correct
49	Correct	3 ms	5300 KB	Output is correct
50	Correct	3 ms	5116 KB	Output is correct
51	Correct	4 ms	5116 KB	Output is correct
52	Correct	3 ms	5100 KB	Output is correct
53	Correct	3 ms	5100 KB	Output is correct
54	Correct	2 ms	5100 KB	Output is correct
55	Correct	2 ms	5092 KB	Output is correct
56	Correct	2 ms	5092 KB	Output is correct
57	Correct	2 ms	5100 KB	Output is correct
58	Correct	2 ms	5100 KB	Output is correct
59	Correct	2 ms	5116 KB	Output is correct
60	Correct	4 ms	5116 KB	Output is correct
61	Correct	3 ms	5292 KB	Output is correct
62	Correct	2 ms	5100 KB	Output is correct
63	Correct	4 ms	4956 KB	Output is correct
64	Correct	3 ms	5116 KB	Output is correct
65	Correct	4 ms	4956 KB	Output is correct
66	Correct	3 ms	4956 KB	Output is correct
67	Correct	4 ms	4956 KB	Output is correct
68	Correct	4 ms	4956 KB	Output is correct
69	Correct	4 ms	5116 KB	Output is correct
70	Correct	3 ms	5116 KB	Output is correct
71	Correct	3 ms	4956 KB	Output is correct
72	Correct	2 ms	5100 KB	Output is correct
73	Correct	3 ms	4700 KB	Output is correct
74	Correct	1 ms	4700 KB	Output is correct

Subtask #3
76.0 / 76.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4440 KB	Output is correct
4	Correct	1 ms	4440 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4568 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4444 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	1 ms	4696 KB	Output is correct
12	Correct	1 ms	4444 KB	Output is correct
13	Correct	1 ms	4444 KB	Output is correct
14	Correct	1 ms	4440 KB	Output is correct
15	Correct	1 ms	4444 KB	Output is correct
16	Correct	1 ms	4444 KB	Output is correct
17	Correct	1 ms	4444 KB	Output is correct
18	Correct	1 ms	4444 KB	Output is correct
19	Correct	1 ms	4444 KB	Output is correct
20	Correct	1 ms	4444 KB	Output is correct
21	Correct	1 ms	4444 KB	Output is correct
22	Correct	1 ms	4444 KB	Output is correct
23	Correct	1 ms	4444 KB	Output is correct
24	Correct	1 ms	4444 KB	Output is correct
25	Correct	1 ms	4444 KB	Output is correct
26	Correct	1 ms	4444 KB	Output is correct
27	Correct	1 ms	4444 KB	Output is correct
28	Correct	1 ms	4444 KB	Output is correct
29	Correct	1 ms	4444 KB	Output is correct
30	Correct	1 ms	4444 KB	Output is correct
31	Correct	1 ms	4444 KB	Output is correct
32	Correct	1 ms	4444 KB	Output is correct
33	Correct	1 ms	4444 KB	Output is correct
34	Correct	1 ms	4444 KB	Output is correct
35	Correct	1 ms	4444 KB	Output is correct
36	Correct	1 ms	4444 KB	Output is correct
37	Correct	1 ms	4444 KB	Output is correct
38	Correct	5 ms	4700 KB	Output is correct
39	Correct	5 ms	4956 KB	Output is correct
40	Correct	4 ms	4952 KB	Output is correct
41	Correct	4 ms	4956 KB	Output is correct
42	Correct	3 ms	4956 KB	Output is correct
43	Correct	3 ms	4956 KB	Output is correct
44	Correct	4 ms	4956 KB	Output is correct
45	Correct	5 ms	4956 KB	Output is correct
46	Correct	4 ms	4956 KB	Output is correct
47	Correct	4 ms	4956 KB	Output is correct
48	Correct	4 ms	4956 KB	Output is correct
49	Correct	3 ms	5300 KB	Output is correct
50	Correct	3 ms	5116 KB	Output is correct
51	Correct	4 ms	5116 KB	Output is correct
52	Correct	3 ms	5100 KB	Output is correct
53	Correct	3 ms	5100 KB	Output is correct
54	Correct	2 ms	5100 KB	Output is correct
55	Correct	2 ms	5092 KB	Output is correct
56	Correct	2 ms	5092 KB	Output is correct
57	Correct	2 ms	5100 KB	Output is correct
58	Correct	2 ms	5100 KB	Output is correct
59	Correct	2 ms	5116 KB	Output is correct
60	Correct	4 ms	5116 KB	Output is correct
61	Correct	3 ms	5292 KB	Output is correct
62	Correct	2 ms	5100 KB	Output is correct
63	Correct	4 ms	4956 KB	Output is correct
64	Correct	3 ms	5116 KB	Output is correct
65	Correct	4 ms	4956 KB	Output is correct
66	Correct	3 ms	4956 KB	Output is correct
67	Correct	4 ms	4956 KB	Output is correct
68	Correct	4 ms	4956 KB	Output is correct
69	Correct	4 ms	5116 KB	Output is correct
70	Correct	3 ms	5116 KB	Output is correct
71	Correct	3 ms	4956 KB	Output is correct
72	Correct	2 ms	5100 KB	Output is correct
73	Correct	3 ms	4700 KB	Output is correct
74	Correct	1 ms	4700 KB	Output is correct
75	Correct	796 ms	51852 KB	Output is correct
76	Correct	890 ms	31532 KB	Output is correct
77	Correct	684 ms	49552 KB	Output is correct
78	Correct	738 ms	52264 KB	Output is correct
79	Correct	105 ms	46516 KB	Output is correct
80	Correct	200 ms	77480 KB	Output is correct
81	Correct	639 ms	78460 KB	Output is correct
82	Correct	809 ms	48932 KB	Output is correct
83	Correct	742 ms	78680 KB	Output is correct
84	Correct	775 ms	79904 KB	Output is correct
85	Correct	674 ms	79532 KB	Output is correct
86	Correct	359 ms	77928 KB	Output is correct
87	Correct	346 ms	78024 KB	Output is correct
88	Correct	592 ms	79784 KB	Output is correct
89	Correct	515 ms	78808 KB	Output is correct
90	Correct	349 ms	79528 KB	Output is correct
91	Correct	246 ms	79020 KB	Output is correct
92	Correct	246 ms	78032 KB	Output is correct
93	Correct	286 ms	77988 KB	Output is correct
94	Correct	233 ms	77320 KB	Output is correct
95	Correct	342 ms	79784 KB	Output is correct
96	Correct	313 ms	77984 KB	Output is correct
97	Correct	316 ms	78752 KB	Output is correct
98	Correct	341 ms	79404 KB	Output is correct
99	Correct	300 ms	79784 KB	Output is correct
100	Correct	267 ms	77948 KB	Output is correct
101	Correct	265 ms	77992 KB	Output is correct
102	Correct	778 ms	46640 KB	Output is correct
103	Correct	683 ms	50644 KB	Output is correct
104	Correct	763 ms	45968 KB	Output is correct
105	Correct	508 ms	79268 KB	Output is correct
106	Correct	561 ms	79512 KB	Output is correct
107	Correct	503 ms	79524 KB	Output is correct
108	Correct	705 ms	49068 KB	Output is correct
109	Correct	562 ms	80580 KB	Output is correct
110	Correct	296 ms	77476 KB	Output is correct
111	Correct	435 ms	76844 KB	Output is correct
112	Correct	375 ms	45504 KB	Output is correct
113	Correct	49 ms	16840 KB	Output is correct

답안 #989402

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 19.0 / 19.0

Subtask #3 76.0 / 76.0

Subtask #1
5.0 / 5.0

Subtask #2
19.0 / 19.0

Subtask #3
76.0 / 76.0