Submission #529595

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
529595	2022-02-23T08:52:28 Z	fhvirus	Let's Win the Election (JOI22_ho_t3)	C++17	100 / 100	395 ms	2344 KB

Main

#include <bits/stdc++.h>
using namespace std;

int main() {
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

	int N, K; cin >> N >> K;
	vector< pair<int, int> > states(N);
	for (int i = 0; i < N; ++i) {
		cin >> states[i].second >> states[i].first;
		if (states[i].first == -1)
			states[i].first = 1'000'000'000;
	}
	sort(begin(states), end(states));

	double ans = 1e18;
	for (int g = 0; g <= K; ++g) {
		vector< vector<double> > dp(N + 1, vector<double>(K - g + 1, 1e18));
		dp[0][0] = 0;
		for (int i = 0; i < N; ++i)
			for (int j = 0; j <= K - g; ++j) {
				if (j < K - g)
					dp[i + 1][j + 1] = min(dp[i + 1][j + 1], dp[i][j] + (double) states[i].second / (g + 1));
				dp[i + 1][j] = min(dp[i + 1][j], dp[i][j] + (i - j < g ? (double) states[i].first / (i - j + 1) : .0));
			}
		ans = min(ans, dp[N][K - g]);
	}

	cout << setprecision(9) << fixed << ans << '\n';
	return 0;
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	4 ms	516 KB	Output is correct
6	Correct	21 ms	808 KB	Output is correct
7	Correct	82 ms	1316 KB	Output is correct
8	Correct	181 ms	1808 KB	Output is correct
9	Correct	348 ms	2288 KB	Output is correct
10	Correct	154 ms	1692 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	4 ms	516 KB	Output is correct
6	Correct	21 ms	808 KB	Output is correct
7	Correct	82 ms	1316 KB	Output is correct
8	Correct	181 ms	1808 KB	Output is correct
9	Correct	348 ms	2288 KB	Output is correct
10	Correct	154 ms	1692 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	27 ms	908 KB	Output is correct
13	Correct	27 ms	908 KB	Output is correct
14	Correct	30 ms	908 KB	Output is correct
15	Correct	165 ms	1696 KB	Output is correct
16	Correct	169 ms	1708 KB	Output is correct
17	Correct	163 ms	1668 KB	Output is correct
18	Correct	378 ms	2284 KB	Output is correct
19	Correct	380 ms	2288 KB	Output is correct
20	Correct	351 ms	2296 KB	Output is correct

Subtask #3
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct

Subtask #4
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	0 ms	204 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	0 ms	204 KB	Output is correct

Subtask #5
33.0 / 33.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	0 ms	204 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	0 ms	204 KB	Output is correct
41	Correct	0 ms	204 KB	Output is correct
42	Correct	1 ms	204 KB	Output is correct
43	Correct	2 ms	332 KB	Output is correct
44	Correct	1 ms	332 KB	Output is correct
45	Correct	1 ms	332 KB	Output is correct
46	Correct	2 ms	356 KB	Output is correct
47	Correct	4 ms	332 KB	Output is correct
48	Correct	2 ms	332 KB	Output is correct
49	Correct	2 ms	332 KB	Output is correct
50	Correct	2 ms	332 KB	Output is correct
51	Correct	3 ms	460 KB	Output is correct
52	Correct	3 ms	460 KB	Output is correct
53	Correct	2 ms	384 KB	Output is correct
54	Correct	2 ms	332 KB	Output is correct
55	Correct	2 ms	332 KB	Output is correct
56	Correct	1 ms	332 KB	Output is correct
57	Correct	2 ms	332 KB	Output is correct
58	Correct	2 ms	332 KB	Output is correct
59	Correct	2 ms	332 KB	Output is correct
60	Correct	1 ms	332 KB	Output is correct

Subtask #6
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	395 ms	2296 KB	Output is correct
2	Correct	349 ms	2288 KB	Output is correct
3	Correct	335 ms	2280 KB	Output is correct
4	Correct	372 ms	2344 KB	Output is correct
5	Correct	361 ms	2288 KB	Output is correct
6	Correct	373 ms	2292 KB	Output is correct
7	Correct	341 ms	2300 KB	Output is correct

Subtask #7
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	4 ms	516 KB	Output is correct
6	Correct	21 ms	808 KB	Output is correct
7	Correct	82 ms	1316 KB	Output is correct
8	Correct	181 ms	1808 KB	Output is correct
9	Correct	348 ms	2288 KB	Output is correct
10	Correct	154 ms	1692 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	27 ms	908 KB	Output is correct
13	Correct	27 ms	908 KB	Output is correct
14	Correct	30 ms	908 KB	Output is correct
15	Correct	165 ms	1696 KB	Output is correct
16	Correct	169 ms	1708 KB	Output is correct
17	Correct	163 ms	1668 KB	Output is correct
18	Correct	378 ms	2284 KB	Output is correct
19	Correct	380 ms	2288 KB	Output is correct
20	Correct	351 ms	2296 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	0 ms	204 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	0 ms	204 KB	Output is correct
39	Correct	0 ms	204 KB	Output is correct
40	Correct	0 ms	204 KB	Output is correct
41	Correct	0 ms	204 KB	Output is correct
42	Correct	1 ms	204 KB	Output is correct
43	Correct	1 ms	204 KB	Output is correct
44	Correct	0 ms	204 KB	Output is correct
45	Correct	1 ms	204 KB	Output is correct
46	Correct	1 ms	204 KB	Output is correct
47	Correct	0 ms	204 KB	Output is correct
48	Correct	0 ms	204 KB	Output is correct
49	Correct	0 ms	204 KB	Output is correct
50	Correct	0 ms	204 KB	Output is correct
51	Correct	1 ms	204 KB	Output is correct
52	Correct	1 ms	204 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	0 ms	204 KB	Output is correct
55	Correct	1 ms	204 KB	Output is correct
56	Correct	0 ms	204 KB	Output is correct
57	Correct	0 ms	204 KB	Output is correct
58	Correct	1 ms	204 KB	Output is correct
59	Correct	1 ms	204 KB	Output is correct
60	Correct	0 ms	204 KB	Output is correct
61	Correct	0 ms	204 KB	Output is correct
62	Correct	1 ms	204 KB	Output is correct
63	Correct	2 ms	332 KB	Output is correct
64	Correct	1 ms	332 KB	Output is correct
65	Correct	1 ms	332 KB	Output is correct
66	Correct	2 ms	356 KB	Output is correct
67	Correct	4 ms	332 KB	Output is correct
68	Correct	2 ms	332 KB	Output is correct
69	Correct	2 ms	332 KB	Output is correct
70	Correct	2 ms	332 KB	Output is correct
71	Correct	3 ms	460 KB	Output is correct
72	Correct	3 ms	460 KB	Output is correct
73	Correct	2 ms	384 KB	Output is correct
74	Correct	2 ms	332 KB	Output is correct
75	Correct	2 ms	332 KB	Output is correct
76	Correct	1 ms	332 KB	Output is correct
77	Correct	2 ms	332 KB	Output is correct
78	Correct	2 ms	332 KB	Output is correct
79	Correct	2 ms	332 KB	Output is correct
80	Correct	1 ms	332 KB	Output is correct
81	Correct	395 ms	2296 KB	Output is correct
82	Correct	349 ms	2288 KB	Output is correct
83	Correct	335 ms	2280 KB	Output is correct
84	Correct	372 ms	2344 KB	Output is correct
85	Correct	361 ms	2288 KB	Output is correct
86	Correct	373 ms	2292 KB	Output is correct
87	Correct	341 ms	2300 KB	Output is correct
88	Correct	3 ms	516 KB	Output is correct
89	Correct	4 ms	516 KB	Output is correct
90	Correct	18 ms	824 KB	Output is correct
91	Correct	30 ms	808 KB	Output is correct
92	Correct	85 ms	1276 KB	Output is correct
93	Correct	81 ms	1308 KB	Output is correct
94	Correct	185 ms	1812 KB	Output is correct
95	Correct	181 ms	1804 KB	Output is correct
96	Correct	278 ms	2108 KB	Output is correct
97	Correct	273 ms	2096 KB	Output is correct
98	Correct	157 ms	1712 KB	Output is correct
99	Correct	158 ms	1700 KB	Output is correct
100	Correct	154 ms	1692 KB	Output is correct
101	Correct	154 ms	1700 KB	Output is correct
102	Correct	160 ms	1692 KB	Output is correct
103	Correct	152 ms	1676 KB	Output is correct
104	Correct	177 ms	1668 KB	Output is correct
105	Correct	153 ms	1708 KB	Output is correct

Submission #529595

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