답안 #206660

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
206660	2020-03-04T11:50:59 Z	davitmarg	Collecting Stamps 3 (JOI20_ho_t3)	C++17	100 / 100	170 ms	65912 KB

ho_t3

/*DavitMarg*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <unordered_map>
#include <set>
#include <queue>
#include <iomanip>
#include <bitset>
#include <stack>
#include <cassert>
#include <iterator>
#include <fstream>
#define mod 1000000007ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
#define all(v) v.begin(), v.end()
using namespace std;

const int N = 205;

int n, L, x[N], t[N], ans;
int dp[N][N][N][2];

int sf(int x)
{
	return n - x + 1;
}

int main()
{
	cin >> n >> L;
	for (int i = 1; i <= n; i++)
		cin >> x[i];
	for (int i = 1; i <= n; i++)
		cin >> t[i];

	for (int s = 0; s <= n; s++)
		for (int p = 0; p <= n; p++)
			for (int i = 0; i <= n; i++)
				dp[p][s][i][0] = dp[p][s][i][1] = mod;

	dp[0][0][0][1] = dp[0][0][0][0] = 0;
	x[n + 1] = L;
	for (int c = 0; c < n; c++)
		for (int p = 0; p <= c; p++)
			for (int C = 0; C < n; C++)
			{
				int s = c - p;

				int T;

				//left
				T = dp[p][s][C][0];
				dp[p + 1][s][C + (T + x[p + 1] - x[p] <= t[p + 1])][0] = min(dp[p + 1][s][C + (T + x[p + 1] - x[p] <= t[p + 1])][0],T + x[p + 1] - x[p]);
				dp[p][s + 1][C + (T + x[p] + L - x[sf(s + 1)] <= t[sf(s + 1)])][1] = min(dp[p][s + 1][C + (T + x[p] + L - x[sf(s + 1)] <= t[sf(s + 1)])][1],T + x[p] + L - x[sf(s + 1)]);


				//right
				T = dp[p][s][C][1];
				dp[p][s + 1][C + (T + x[sf(s)] - x[sf(s + 1)] <= t[sf(s + 1)])][1] = min(dp[p][s + 1][C + (T + x[sf(s)] - x[sf(s + 1)] <= t[sf(s + 1)])][1], T + x[sf(s)] - x[sf(s + 1)]);
				dp[p + 1][s][C + (T + x[p + 1] + L - x[sf(s)] <= t[p + 1])][0] = min(dp[p + 1][s][C + (T + x[p + 1] + L - x[sf(s)] <= t[p + 1])][0], T + x[p + 1] + L - x[sf(s)]);
			}

	for (int c = 0; c <= n; c++)
		for (int p = 0; p <= n; p++)
			for (int s = 0; s <= n; s++)
				for (int d = 0; d <= 1; d++)
					if (dp[p][s][c][d] != mod)
						ans = c;

	cout << ans << endl;
	return 0;
}

/*

5
1 2 3 4 5
5 4 3 2 1


*/

Subtask #1

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	504 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	632 KB	Output is correct
7	Correct	5 ms	504 KB	Output is correct
8	Correct	5 ms	504 KB	Output is correct
9	Correct	5 ms	632 KB	Output is correct
10	Correct	4 ms	376 KB	Output is correct
11	Correct	5 ms	380 KB	Output is correct
12	Correct	5 ms	632 KB	Output is correct
13	Correct	5 ms	632 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	504 KB	Output is correct
16	Correct	5 ms	760 KB	Output is correct
17	Correct	5 ms	632 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	504 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	632 KB	Output is correct
7	Correct	5 ms	504 KB	Output is correct
8	Correct	5 ms	504 KB	Output is correct
9	Correct	5 ms	632 KB	Output is correct
10	Correct	4 ms	376 KB	Output is correct
11	Correct	5 ms	380 KB	Output is correct
12	Correct	5 ms	632 KB	Output is correct
13	Correct	5 ms	632 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	504 KB	Output is correct
16	Correct	5 ms	760 KB	Output is correct
17	Correct	5 ms	632 KB	Output is correct
18	Correct	5 ms	760 KB	Output is correct
19	Correct	5 ms	632 KB	Output is correct
20	Correct	5 ms	632 KB	Output is correct
21	Correct	5 ms	760 KB	Output is correct
22	Correct	5 ms	504 KB	Output is correct
23	Correct	5 ms	760 KB	Output is correct
24	Correct	5 ms	632 KB	Output is correct
25	Correct	5 ms	760 KB	Output is correct
26	Correct	5 ms	760 KB	Output is correct
27	Correct	5 ms	504 KB	Output is correct
28	Correct	5 ms	504 KB	Output is correct
29	Correct	5 ms	760 KB	Output is correct
30	Correct	5 ms	760 KB	Output is correct
31	Correct	5 ms	760 KB	Output is correct
32	Correct	5 ms	760 KB	Output is correct
33	Correct	5 ms	760 KB	Output is correct
34	Correct	5 ms	760 KB	Output is correct
35	Correct	5 ms	760 KB	Output is correct

Subtask #3

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	504 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	632 KB	Output is correct
7	Correct	5 ms	504 KB	Output is correct
8	Correct	5 ms	504 KB	Output is correct
9	Correct	5 ms	632 KB	Output is correct
10	Correct	4 ms	376 KB	Output is correct
11	Correct	5 ms	380 KB	Output is correct
12	Correct	5 ms	632 KB	Output is correct
13	Correct	5 ms	632 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	504 KB	Output is correct
16	Correct	5 ms	760 KB	Output is correct
17	Correct	5 ms	632 KB	Output is correct
18	Correct	122 ms	52984 KB	Output is correct
19	Correct	63 ms	32248 KB	Output is correct
20	Correct	30 ms	17400 KB	Output is correct
21	Correct	60 ms	30588 KB	Output is correct
22	Correct	82 ms	39416 KB	Output is correct
23	Correct	25 ms	14840 KB	Output is correct
24	Correct	19 ms	11640 KB	Output is correct
25	Correct	25 ms	14460 KB	Output is correct
26	Correct	10 ms	5752 KB	Output is correct
27	Correct	26 ms	15096 KB	Output is correct
28	Correct	17 ms	10872 KB	Output is correct
29	Correct	27 ms	15480 KB	Output is correct
30	Correct	20 ms	12152 KB	Output is correct
31	Correct	25 ms	14584 KB	Output is correct
32	Correct	13 ms	7800 KB	Output is correct
33	Correct	25 ms	14456 KB	Output is correct
34	Correct	9 ms	5368 KB	Output is correct
35	Correct	24 ms	14200 KB	Output is correct
36	Correct	12 ms	6904 KB	Output is correct
37	Correct	26 ms	15096 KB	Output is correct
38	Correct	16 ms	8440 KB	Output is correct
39	Correct	27 ms	15736 KB	Output is correct
40	Correct	16 ms	9336 KB	Output is correct
41	Correct	166 ms	65272 KB	Output is correct
42	Correct	96 ms	44152 KB	Output is correct
43	Correct	167 ms	65272 KB	Output is correct
44	Correct	96 ms	43512 KB	Output is correct
45	Correct	166 ms	65352 KB	Output is correct
46	Correct	97 ms	44156 KB	Output is correct

Subtask #4

75.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	504 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	632 KB	Output is correct
7	Correct	5 ms	504 KB	Output is correct
8	Correct	5 ms	504 KB	Output is correct
9	Correct	5 ms	632 KB	Output is correct
10	Correct	4 ms	376 KB	Output is correct
11	Correct	5 ms	380 KB	Output is correct
12	Correct	5 ms	632 KB	Output is correct
13	Correct	5 ms	632 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	504 KB	Output is correct
16	Correct	5 ms	760 KB	Output is correct
17	Correct	5 ms	632 KB	Output is correct
18	Correct	5 ms	760 KB	Output is correct
19	Correct	5 ms	632 KB	Output is correct
20	Correct	5 ms	632 KB	Output is correct
21	Correct	5 ms	760 KB	Output is correct
22	Correct	5 ms	504 KB	Output is correct
23	Correct	5 ms	760 KB	Output is correct
24	Correct	5 ms	632 KB	Output is correct
25	Correct	5 ms	760 KB	Output is correct
26	Correct	5 ms	760 KB	Output is correct
27	Correct	5 ms	504 KB	Output is correct
28	Correct	5 ms	504 KB	Output is correct
29	Correct	5 ms	760 KB	Output is correct
30	Correct	5 ms	760 KB	Output is correct
31	Correct	5 ms	760 KB	Output is correct
32	Correct	5 ms	760 KB	Output is correct
33	Correct	5 ms	760 KB	Output is correct
34	Correct	5 ms	760 KB	Output is correct
35	Correct	5 ms	760 KB	Output is correct
36	Correct	122 ms	52984 KB	Output is correct
37	Correct	63 ms	32248 KB	Output is correct
38	Correct	30 ms	17400 KB	Output is correct
39	Correct	60 ms	30588 KB	Output is correct
40	Correct	82 ms	39416 KB	Output is correct
41	Correct	25 ms	14840 KB	Output is correct
42	Correct	19 ms	11640 KB	Output is correct
43	Correct	25 ms	14460 KB	Output is correct
44	Correct	10 ms	5752 KB	Output is correct
45	Correct	26 ms	15096 KB	Output is correct
46	Correct	17 ms	10872 KB	Output is correct
47	Correct	27 ms	15480 KB	Output is correct
48	Correct	20 ms	12152 KB	Output is correct
49	Correct	25 ms	14584 KB	Output is correct
50	Correct	13 ms	7800 KB	Output is correct
51	Correct	25 ms	14456 KB	Output is correct
52	Correct	9 ms	5368 KB	Output is correct
53	Correct	24 ms	14200 KB	Output is correct
54	Correct	12 ms	6904 KB	Output is correct
55	Correct	26 ms	15096 KB	Output is correct
56	Correct	16 ms	8440 KB	Output is correct
57	Correct	27 ms	15736 KB	Output is correct
58	Correct	16 ms	9336 KB	Output is correct
59	Correct	166 ms	65272 KB	Output is correct
60	Correct	96 ms	44152 KB	Output is correct
61	Correct	167 ms	65272 KB	Output is correct
62	Correct	96 ms	43512 KB	Output is correct
63	Correct	166 ms	65352 KB	Output is correct
64	Correct	97 ms	44156 KB	Output is correct
65	Correct	143 ms	59000 KB	Output is correct
66	Correct	130 ms	54240 KB	Output is correct
67	Correct	121 ms	51832 KB	Output is correct
68	Correct	105 ms	47864 KB	Output is correct
69	Correct	140 ms	58360 KB	Output is correct
70	Correct	137 ms	55928 KB	Output is correct
71	Correct	135 ms	56568 KB	Output is correct
72	Correct	137 ms	57212 KB	Output is correct
73	Correct	123 ms	52984 KB	Output is correct
74	Correct	119 ms	49528 KB	Output is correct
75	Correct	130 ms	54776 KB	Output is correct
76	Correct	155 ms	62716 KB	Output is correct
77	Correct	154 ms	62712 KB	Output is correct
78	Correct	110 ms	48376 KB	Output is correct
79	Correct	114 ms	50168 KB	Output is correct
80	Correct	152 ms	61432 KB	Output is correct
81	Correct	115 ms	50680 KB	Output is correct
82	Correct	125 ms	53624 KB	Output is correct
83	Correct	170 ms	65360 KB	Output is correct
84	Correct	133 ms	55928 KB	Output is correct
85	Correct	152 ms	60792 KB	Output is correct
86	Correct	147 ms	59640 KB	Output is correct
87	Correct	127 ms	54776 KB	Output is correct
88	Correct	170 ms	65912 KB	Output is correct
89	Correct	169 ms	65912 KB	Output is correct
90	Correct	133 ms	55420 KB	Output is correct
91	Correct	167 ms	65912 KB	Output is correct
92	Correct	169 ms	65912 KB	Output is correct
93	Correct	168 ms	64760 KB	Output is correct