답안 #770386

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
770386	2023-07-01T06:42:25 Z	Trisanu_Das	Let's Win the Election (JOI22_ho_t3)	C++17	100 / 100	304 ms	2316 KB

Main

#include <bits/stdc++.h>
using namespace std;
#define a second
#define b first
 
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	int n, k; cin >> n >> k;
	vector<pair<int, int> > st(n);
	for (int i = 0; i < n; ++i) {
		cin >> st[i].a >> st[i].b;
		if (st[i].b == -1) st[i].b = 1'000'000'000;
	}
	sort(begin(st), end(st));
 
	double ans = 1e18;
	for (int x = 0; x < k + 1; x++) {
		vector< vector<double> > dp(n + 1, vector<double>(k - x + 1, 1e18));
		dp[0][0] = 0;
		for (int i = 0; i < n; ++i)
			for (int j = 0; j < k - x + 1; ++j) {
				if (j < k - x) dp[i + 1][j + 1] = min(dp[i + 1][j + 1], dp[i][j] + (double) st[i].a / (x + 1));
				dp[i + 1][j] = min(dp[i + 1][j], dp[i][j] + (i - j < x ? (double) st[i].b / (i - j + 1) : .0));
			}
		ans = min(ans, dp[n][k - x]);
	}
 
	cout << setprecision(9) << fixed << ans << '\n';
	return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	3 ms	524 KB	Output is correct
6	Correct	15 ms	832 KB	Output is correct
7	Correct	61 ms	1316 KB	Output is correct
8	Correct	152 ms	2008 KB	Output is correct
9	Correct	271 ms	2300 KB	Output is correct
10	Correct	124 ms	1676 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	3 ms	524 KB	Output is correct
6	Correct	15 ms	832 KB	Output is correct
7	Correct	61 ms	1316 KB	Output is correct
8	Correct	152 ms	2008 KB	Output is correct
9	Correct	271 ms	2300 KB	Output is correct
10	Correct	124 ms	1676 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	22 ms	892 KB	Output is correct
13	Correct	25 ms	1036 KB	Output is correct
14	Correct	23 ms	916 KB	Output is correct
15	Correct	125 ms	1700 KB	Output is correct
16	Correct	128 ms	1704 KB	Output is correct
17	Correct	126 ms	1716 KB	Output is correct
18	Correct	293 ms	2308 KB	Output is correct
19	Correct	272 ms	2312 KB	Output is correct
20	Correct	278 ms	2308 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	316 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	316 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	316 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	316 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	320 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	316 KB	Output is correct
21	Correct	1 ms	320 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 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	0 ms	320 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	316 KB	Output is correct
33	Correct	1 ms	316 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	0 ms	212 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	1 ms	216 KB	Output is correct
40	Correct	1 ms	316 KB	Output is correct

Subtask #5
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	316 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	316 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	320 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	316 KB	Output is correct
21	Correct	1 ms	320 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 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	0 ms	320 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	316 KB	Output is correct
33	Correct	1 ms	316 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	0 ms	212 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	1 ms	216 KB	Output is correct
40	Correct	1 ms	316 KB	Output is correct
41	Correct	1 ms	212 KB	Output is correct
42	Correct	1 ms	324 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	2 ms	340 KB	Output is correct
46	Correct	1 ms	320 KB	Output is correct
47	Correct	1 ms	340 KB	Output is correct
48	Correct	1 ms	340 KB	Output is correct
49	Correct	2 ms	340 KB	Output is correct
50	Correct	2 ms	340 KB	Output is correct
51	Correct	2 ms	468 KB	Output is correct
52	Correct	2 ms	468 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	1 ms	340 KB	Output is correct
55	Correct	1 ms	340 KB	Output is correct
56	Correct	2 ms	340 KB	Output is correct
57	Correct	1 ms	324 KB	Output is correct
58	Correct	1 ms	324 KB	Output is correct
59	Correct	1 ms	340 KB	Output is correct
60	Correct	2 ms	340 KB	Output is correct

Subtask #6
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	272 ms	2296 KB	Output is correct
2	Correct	278 ms	2316 KB	Output is correct
3	Correct	273 ms	2316 KB	Output is correct
4	Correct	272 ms	2308 KB	Output is correct
5	Correct	271 ms	2308 KB	Output is correct
6	Correct	304 ms	2308 KB	Output is correct
7	Correct	279 ms	2296 KB	Output is correct

Subtask #7
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	3 ms	524 KB	Output is correct
6	Correct	15 ms	832 KB	Output is correct
7	Correct	61 ms	1316 KB	Output is correct
8	Correct	152 ms	2008 KB	Output is correct
9	Correct	271 ms	2300 KB	Output is correct
10	Correct	124 ms	1676 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	22 ms	892 KB	Output is correct
13	Correct	25 ms	1036 KB	Output is correct
14	Correct	23 ms	916 KB	Output is correct
15	Correct	125 ms	1700 KB	Output is correct
16	Correct	128 ms	1704 KB	Output is correct
17	Correct	126 ms	1716 KB	Output is correct
18	Correct	293 ms	2308 KB	Output is correct
19	Correct	272 ms	2312 KB	Output is correct
20	Correct	278 ms	2308 KB	Output is correct
21	Correct	0 ms	316 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	316 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	0 ms	212 KB	Output is correct
38	Correct	1 ms	320 KB	Output is correct
39	Correct	0 ms	212 KB	Output is correct
40	Correct	0 ms	316 KB	Output is correct
41	Correct	1 ms	320 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	1 ms	212 KB	Output is correct
44	Correct	0 ms	212 KB	Output is correct
45	Correct	0 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	1 ms	212 KB	Output is correct
49	Correct	1 ms	212 KB	Output is correct
50	Correct	0 ms	320 KB	Output is correct
51	Correct	0 ms	212 KB	Output is correct
52	Correct	1 ms	316 KB	Output is correct
53	Correct	1 ms	316 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	0 ms	212 KB	Output is correct
58	Correct	0 ms	212 KB	Output is correct
59	Correct	1 ms	216 KB	Output is correct
60	Correct	1 ms	316 KB	Output is correct
61	Correct	1 ms	212 KB	Output is correct
62	Correct	1 ms	324 KB	Output is correct
63	Correct	1 ms	340 KB	Output is correct
64	Correct	1 ms	340 KB	Output is correct
65	Correct	2 ms	340 KB	Output is correct
66	Correct	1 ms	320 KB	Output is correct
67	Correct	1 ms	340 KB	Output is correct
68	Correct	1 ms	340 KB	Output is correct
69	Correct	2 ms	340 KB	Output is correct
70	Correct	2 ms	340 KB	Output is correct
71	Correct	2 ms	468 KB	Output is correct
72	Correct	2 ms	468 KB	Output is correct
73	Correct	1 ms	340 KB	Output is correct
74	Correct	1 ms	340 KB	Output is correct
75	Correct	1 ms	340 KB	Output is correct
76	Correct	2 ms	340 KB	Output is correct
77	Correct	1 ms	324 KB	Output is correct
78	Correct	1 ms	324 KB	Output is correct
79	Correct	1 ms	340 KB	Output is correct
80	Correct	2 ms	340 KB	Output is correct
81	Correct	272 ms	2296 KB	Output is correct
82	Correct	278 ms	2316 KB	Output is correct
83	Correct	273 ms	2316 KB	Output is correct
84	Correct	272 ms	2308 KB	Output is correct
85	Correct	271 ms	2308 KB	Output is correct
86	Correct	304 ms	2308 KB	Output is correct
87	Correct	279 ms	2296 KB	Output is correct
88	Correct	5 ms	524 KB	Output is correct
89	Correct	3 ms	544 KB	Output is correct
90	Correct	17 ms	1012 KB	Output is correct
91	Correct	15 ms	840 KB	Output is correct
92	Correct	62 ms	1316 KB	Output is correct
93	Correct	61 ms	1324 KB	Output is correct
94	Correct	153 ms	1792 KB	Output is correct
95	Correct	146 ms	1816 KB	Output is correct
96	Correct	214 ms	2112 KB	Output is correct
97	Correct	254 ms	2100 KB	Output is correct
98	Correct	128 ms	1700 KB	Output is correct
99	Correct	125 ms	1732 KB	Output is correct
100	Correct	125 ms	1716 KB	Output is correct
101	Correct	127 ms	1732 KB	Output is correct
102	Correct	129 ms	1720 KB	Output is correct
103	Correct	124 ms	1716 KB	Output is correct
104	Correct	131 ms	1700 KB	Output is correct
105	Correct	125 ms	1728 KB	Output is correct

답안 #770386

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