Submission #682002

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
682002	2023-01-15T07:56:18 Z	dsyz	Let's Win the Election (JOI22_ho_t3)	C++17	100 / 100	1681 ms	4428 KB

Main

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#define MAXN (300005)
int main() {
	ios_base::sync_with_stdio(false);cin.tie(0);
	ll N,K;
	cin>>N>>K;
	deque<pair<ll,ll> > arr;
	for(ll i = 1;i <= N;i++){
		ll a,b;
		cin>>a>>b;
		if(b == -1) b = 1e18;
		arr.push_back(make_pair(b,a));
	}
	sort(arr.begin(),arr.end());
	arr.push_front(make_pair(0,0));
	ld A[N + 1], B[N + 1]; //1-indexed
	A[0] = 0;
	B[0] = 0;
	for(ll i = 1;i <= N;i++){
		A[i] = arr[i].second;
		B[i] = arr[i].first;
	}
	ld dp[N + 5][N + 5]; //first i states considered, j of them belong in B[i] = -1
	ld ans = 1e18;
	for(ll m = 0;m <= K;m++){ //m collaborators gained in total
		for(ll i = 0;i <= N;i++){
			for(ll j = 0;j <= N;j++){
				dp[i][j] = 1e18;
			}
		}
		dp[0][0] = 0;
		for(ll i = 1;i <= N;i++){ //first i states considered
			for(ll j = 0;j <= i;j++){ //j states are non-collaborators
				ld valA = A[i] / (m + 1);
				ld valB = B[i] / min(i - j,m);
				dp[i][j] = min(dp[i][j],dp[i - 1][j] + valB);
				if(i - j > m) dp[i][j] = min(dp[i][j],dp[i - 1][j]);
				if(j >= 1) dp[i][j] = min(dp[i][j],dp[i - 1][j - 1] + valA);
			}
		}
		ans = min(ans,dp[N][K - m]);
	}
	cout<<fixed<<setprecision(10);
	cout<<ans<<'\n';
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	312 KB	Output is correct
3	Correct	0 ms	324 KB	Output is correct
4	Correct	1 ms	316 KB	Output is correct
5	Correct	178 ms	4316 KB	Output is correct
6	Correct	431 ms	4428 KB	Output is correct
7	Correct	828 ms	4312 KB	Output is correct
8	Correct	1231 ms	4312 KB	Output is correct
9	Correct	1586 ms	4320 KB	Output is correct
10	Correct	1263 ms	4328 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	312 KB	Output is correct
3	Correct	0 ms	324 KB	Output is correct
4	Correct	1 ms	316 KB	Output is correct
5	Correct	178 ms	4316 KB	Output is correct
6	Correct	431 ms	4428 KB	Output is correct
7	Correct	828 ms	4312 KB	Output is correct
8	Correct	1231 ms	4312 KB	Output is correct
9	Correct	1586 ms	4320 KB	Output is correct
10	Correct	1263 ms	4328 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	536 ms	4316 KB	Output is correct
13	Correct	518 ms	4316 KB	Output is correct
14	Correct	535 ms	4316 KB	Output is correct
15	Correct	1126 ms	4320 KB	Output is correct
16	Correct	1183 ms	4316 KB	Output is correct
17	Correct	1135 ms	4316 KB	Output is correct
18	Correct	1633 ms	4312 KB	Output is correct
19	Correct	1681 ms	4316 KB	Output is correct
20	Correct	1574 ms	4316 KB	Output is correct

Subtask #3
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	0 ms	320 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct

Subtask #4
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	0 ms	320 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	320 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 ms	212 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct

Subtask #5
33.0 / 33.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	0 ms	320 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	320 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 ms	212 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	3 ms	468 KB	Output is correct
42	Correct	3 ms	468 KB	Output is correct
43	Correct	6 ms	496 KB	Output is correct
44	Correct	5 ms	468 KB	Output is correct
45	Correct	9 ms	492 KB	Output is correct
46	Correct	8 ms	468 KB	Output is correct
47	Correct	10 ms	496 KB	Output is correct
48	Correct	9 ms	496 KB	Output is correct
49	Correct	11 ms	468 KB	Output is correct
50	Correct	11 ms	444 KB	Output is correct
51	Correct	14 ms	468 KB	Output is correct
52	Correct	14 ms	496 KB	Output is correct
53	Correct	9 ms	492 KB	Output is correct
54	Correct	10 ms	492 KB	Output is correct
55	Correct	10 ms	468 KB	Output is correct
56	Correct	11 ms	568 KB	Output is correct
57	Correct	9 ms	504 KB	Output is correct
58	Correct	9 ms	468 KB	Output is correct
59	Correct	9 ms	496 KB	Output is correct
60	Correct	10 ms	496 KB	Output is correct

Subtask #6
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1558 ms	4316 KB	Output is correct
2	Correct	1607 ms	4312 KB	Output is correct
3	Correct	1586 ms	4316 KB	Output is correct
4	Correct	1634 ms	4316 KB	Output is correct
5	Correct	1599 ms	4328 KB	Output is correct
6	Correct	1577 ms	4316 KB	Output is correct
7	Correct	1574 ms	4332 KB	Output is correct

Subtask #7
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	312 KB	Output is correct
3	Correct	0 ms	324 KB	Output is correct
4	Correct	1 ms	316 KB	Output is correct
5	Correct	178 ms	4316 KB	Output is correct
6	Correct	431 ms	4428 KB	Output is correct
7	Correct	828 ms	4312 KB	Output is correct
8	Correct	1231 ms	4312 KB	Output is correct
9	Correct	1586 ms	4320 KB	Output is correct
10	Correct	1263 ms	4328 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	536 ms	4316 KB	Output is correct
13	Correct	518 ms	4316 KB	Output is correct
14	Correct	535 ms	4316 KB	Output is correct
15	Correct	1126 ms	4320 KB	Output is correct
16	Correct	1183 ms	4316 KB	Output is correct
17	Correct	1135 ms	4316 KB	Output is correct
18	Correct	1633 ms	4312 KB	Output is correct
19	Correct	1681 ms	4316 KB	Output is correct
20	Correct	1574 ms	4316 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	324 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	1 ms	320 KB	Output is correct
34	Correct	0 ms	320 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 ms	212 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	1 ms	212 KB	Output is correct
42	Correct	1 ms	320 KB	Output is correct
43	Correct	1 ms	212 KB	Output is correct
44	Correct	1 ms	212 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	1 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	1 ms	212 KB	Output is correct
52	Correct	1 ms	212 KB	Output is correct
53	Correct	1 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	1 ms	212 KB	Output is correct
56	Correct	1 ms	212 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	1 ms	212 KB	Output is correct
59	Correct	1 ms	212 KB	Output is correct
60	Correct	1 ms	212 KB	Output is correct
61	Correct	3 ms	468 KB	Output is correct
62	Correct	3 ms	468 KB	Output is correct
63	Correct	6 ms	496 KB	Output is correct
64	Correct	5 ms	468 KB	Output is correct
65	Correct	9 ms	492 KB	Output is correct
66	Correct	8 ms	468 KB	Output is correct
67	Correct	10 ms	496 KB	Output is correct
68	Correct	9 ms	496 KB	Output is correct
69	Correct	11 ms	468 KB	Output is correct
70	Correct	11 ms	444 KB	Output is correct
71	Correct	14 ms	468 KB	Output is correct
72	Correct	14 ms	496 KB	Output is correct
73	Correct	9 ms	492 KB	Output is correct
74	Correct	10 ms	492 KB	Output is correct
75	Correct	10 ms	468 KB	Output is correct
76	Correct	11 ms	568 KB	Output is correct
77	Correct	9 ms	504 KB	Output is correct
78	Correct	9 ms	468 KB	Output is correct
79	Correct	9 ms	496 KB	Output is correct
80	Correct	10 ms	496 KB	Output is correct
81	Correct	1558 ms	4316 KB	Output is correct
82	Correct	1607 ms	4312 KB	Output is correct
83	Correct	1586 ms	4316 KB	Output is correct
84	Correct	1634 ms	4316 KB	Output is correct
85	Correct	1599 ms	4328 KB	Output is correct
86	Correct	1577 ms	4316 KB	Output is correct
87	Correct	1574 ms	4332 KB	Output is correct
88	Correct	171 ms	4312 KB	Output is correct
89	Correct	178 ms	4316 KB	Output is correct
90	Correct	434 ms	4308 KB	Output is correct
91	Correct	427 ms	4428 KB	Output is correct
92	Correct	804 ms	4320 KB	Output is correct
93	Correct	806 ms	4316 KB	Output is correct
94	Correct	1186 ms	4316 KB	Output is correct
95	Correct	1202 ms	4316 KB	Output is correct
96	Correct	1397 ms	4320 KB	Output is correct
97	Correct	1410 ms	4308 KB	Output is correct
98	Correct	1114 ms	4320 KB	Output is correct
99	Correct	1135 ms	4428 KB	Output is correct
100	Correct	1109 ms	4316 KB	Output is correct
101	Correct	1108 ms	4428 KB	Output is correct
102	Correct	1124 ms	4308 KB	Output is correct
103	Correct	1124 ms	4428 KB	Output is correct
104	Correct	1109 ms	4428 KB	Output is correct
105	Correct	1117 ms	4316 KB	Output is correct

Submission #682002

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 5.0 / 5.0

Subtask #3 11.0 / 11.0

Subtask #4 12.0 / 12.0

Subtask #5 33.0 / 33.0

Subtask #6 11.0 / 11.0

Subtask #7 23.0 / 23.0

Subtask #1
5.0 / 5.0

Subtask #2
5.0 / 5.0

Subtask #3
11.0 / 11.0

Subtask #4
12.0 / 12.0

Subtask #5
33.0 / 33.0

Subtask #6
11.0 / 11.0

Subtask #7
23.0 / 23.0