답안 #861017

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
861017	2023-10-15T06:49:05 Z	phoenix0423	Collecting Stamps 3 (JOI20_ho_t3)	C++17	100 / 100	30 ms	67028 KB

ho_t3

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pll;
#define fastio ios::sync_with_stdio(false), cin.tie(0)
#pragma GCC optimize("Ofast")
#define pb push_back
#define eb emplace_back
#define f first
#define s second
#define lowbit(x) x&-x
#define ckmin(a, b) a = min(a, b)
#define ckmax(a, b) a = max(a, b)
const int maxn = 4e5 + 5;
const int INF = 1e9 + 7;
int dp[205][205][2][205]; // 0 = l, 1 = r
int x[205], t[205];

int main(void){
	fastio;
	int n, l;
	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 i = 0; i <= n + 1; i++) for(int j = 0; j <= n + 1; j++) for(int d = 0; d < 2; d++) for(int k = 0; k <= n; k++) dp[i][j][d][k] = INF;
	dp[1][n + 1][0][(x[1] <= t[1])] = x[1];
	dp[0][n][1][(l - x[n] <= t[n])] = l - x[n];
	x[0] = x[n] - l, x[n + 1] = x[1] + l;
	for(int len = 1; len <= n; len++){
		for(int i = 0; i <= len; i++){
			int j = n + 1 - (len - i);
			for(int cnt = 0; cnt <= len; cnt++){
				int t1 = dp[i][j][0][cnt], t2 = dp[i][j][1][cnt];
				ckmin(dp[i + 1][j][0][cnt + (t1 + (x[i + 1] - x[i]) <= t[i + 1])], t1 + (x[i + 1] - x[i]));
				ckmin(dp[i + 1][j][0][cnt + (t2 + (l - x[j] + x[i + 1]) <= t[i + 1])], t2 + (l - x[j] + x[i + 1]));
				ckmin(dp[i][j - 1][1][cnt + (t1 + (x[i] + l - x[j - 1]) <= t[j - 1])], t1 + (x[i] + l - x[j - 1]));
				ckmin(dp[i][j - 1][1][cnt + (t2 + (x[j] - x[j - 1]) <= t[j - 1])], t2 + (x[j] - x[j - 1]));
			}
		}
	}
	int ans = 0;
	for(int i = 0; i <= n; i++){
		for(int d = 0; d < 2; d++){
			for(int cnt = 1; cnt <= n; cnt++){
				if(dp[i][i + 1][d][cnt] < INF) ans = max(ans, cnt);
			}
		}
	}
	cout<<ans<<"\n";
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	4564 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	6492 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	6492 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	6488 KB	Output is correct
13	Correct	1 ms	6604 KB	Output is correct
14	Correct	1 ms	4444 KB	Output is correct
15	Correct	1 ms	4444 KB	Output is correct
16	Correct	1 ms	6632 KB	Output is correct
17	Correct	1 ms	6492 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	4564 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	6492 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	6492 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	6488 KB	Output is correct
13	Correct	1 ms	6604 KB	Output is correct
14	Correct	1 ms	4444 KB	Output is correct
15	Correct	1 ms	4444 KB	Output is correct
16	Correct	1 ms	6632 KB	Output is correct
17	Correct	1 ms	6492 KB	Output is correct
18	Correct	1 ms	6492 KB	Output is correct
19	Correct	1 ms	4440 KB	Output is correct
20	Correct	1 ms	6492 KB	Output is correct
21	Correct	1 ms	6492 KB	Output is correct
22	Correct	1 ms	4444 KB	Output is correct
23	Correct	1 ms	6492 KB	Output is correct
24	Correct	1 ms	6492 KB	Output is correct
25	Correct	1 ms	6492 KB	Output is correct
26	Correct	1 ms	6492 KB	Output is correct
27	Correct	1 ms	4440 KB	Output is correct
28	Correct	1 ms	4444 KB	Output is correct
29	Correct	1 ms	6492 KB	Output is correct
30	Correct	1 ms	6492 KB	Output is correct
31	Correct	1 ms	6608 KB	Output is correct
32	Correct	1 ms	6492 KB	Output is correct
33	Correct	1 ms	6488 KB	Output is correct
34	Correct	1 ms	6492 KB	Output is correct
35	Correct	1 ms	6492 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	4564 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	6492 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	6492 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	6488 KB	Output is correct
13	Correct	1 ms	6604 KB	Output is correct
14	Correct	1 ms	4444 KB	Output is correct
15	Correct	1 ms	4444 KB	Output is correct
16	Correct	1 ms	6632 KB	Output is correct
17	Correct	1 ms	6492 KB	Output is correct
18	Correct	21 ms	60036 KB	Output is correct
19	Correct	12 ms	47708 KB	Output is correct
20	Correct	7 ms	35508 KB	Output is correct
21	Correct	12 ms	45660 KB	Output is correct
22	Correct	15 ms	51804 KB	Output is correct
23	Correct	7 ms	33368 KB	Output is correct
24	Correct	5 ms	29276 KB	Output is correct
25	Correct	6 ms	31324 KB	Output is correct
26	Correct	3 ms	20828 KB	Output is correct
27	Correct	6 ms	33372 KB	Output is correct
28	Correct	4 ms	27228 KB	Output is correct
29	Correct	6 ms	33372 KB	Output is correct
30	Correct	5 ms	29276 KB	Output is correct
31	Correct	6 ms	31324 KB	Output is correct
32	Correct	4 ms	23128 KB	Output is correct
33	Correct	7 ms	31324 KB	Output is correct
34	Correct	3 ms	18992 KB	Output is correct
35	Correct	5 ms	31324 KB	Output is correct
36	Correct	3 ms	23128 KB	Output is correct
37	Correct	6 ms	33372 KB	Output is correct
38	Correct	4 ms	25180 KB	Output is correct
39	Correct	6 ms	33372 KB	Output is correct
40	Correct	5 ms	25180 KB	Output is correct
41	Correct	30 ms	66536 KB	Output is correct
42	Correct	17 ms	56048 KB	Output is correct
43	Correct	26 ms	66396 KB	Output is correct
44	Correct	18 ms	56048 KB	Output is correct
45	Correct	26 ms	66396 KB	Output is correct
46	Correct	17 ms	56048 KB	Output is correct

Subtask #4
75.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	4564 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	6492 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	6492 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	6488 KB	Output is correct
13	Correct	1 ms	6604 KB	Output is correct
14	Correct	1 ms	4444 KB	Output is correct
15	Correct	1 ms	4444 KB	Output is correct
16	Correct	1 ms	6632 KB	Output is correct
17	Correct	1 ms	6492 KB	Output is correct
18	Correct	1 ms	6492 KB	Output is correct
19	Correct	1 ms	4440 KB	Output is correct
20	Correct	1 ms	6492 KB	Output is correct
21	Correct	1 ms	6492 KB	Output is correct
22	Correct	1 ms	4444 KB	Output is correct
23	Correct	1 ms	6492 KB	Output is correct
24	Correct	1 ms	6492 KB	Output is correct
25	Correct	1 ms	6492 KB	Output is correct
26	Correct	1 ms	6492 KB	Output is correct
27	Correct	1 ms	4440 KB	Output is correct
28	Correct	1 ms	4444 KB	Output is correct
29	Correct	1 ms	6492 KB	Output is correct
30	Correct	1 ms	6492 KB	Output is correct
31	Correct	1 ms	6608 KB	Output is correct
32	Correct	1 ms	6492 KB	Output is correct
33	Correct	1 ms	6488 KB	Output is correct
34	Correct	1 ms	6492 KB	Output is correct
35	Correct	1 ms	6492 KB	Output is correct
36	Correct	21 ms	60036 KB	Output is correct
37	Correct	12 ms	47708 KB	Output is correct
38	Correct	7 ms	35508 KB	Output is correct
39	Correct	12 ms	45660 KB	Output is correct
40	Correct	15 ms	51804 KB	Output is correct
41	Correct	7 ms	33368 KB	Output is correct
42	Correct	5 ms	29276 KB	Output is correct
43	Correct	6 ms	31324 KB	Output is correct
44	Correct	3 ms	20828 KB	Output is correct
45	Correct	6 ms	33372 KB	Output is correct
46	Correct	4 ms	27228 KB	Output is correct
47	Correct	6 ms	33372 KB	Output is correct
48	Correct	5 ms	29276 KB	Output is correct
49	Correct	6 ms	31324 KB	Output is correct
50	Correct	4 ms	23128 KB	Output is correct
51	Correct	7 ms	31324 KB	Output is correct
52	Correct	3 ms	18992 KB	Output is correct
53	Correct	5 ms	31324 KB	Output is correct
54	Correct	3 ms	23128 KB	Output is correct
55	Correct	6 ms	33372 KB	Output is correct
56	Correct	4 ms	25180 KB	Output is correct
57	Correct	6 ms	33372 KB	Output is correct
58	Correct	5 ms	25180 KB	Output is correct
59	Correct	30 ms	66536 KB	Output is correct
60	Correct	17 ms	56048 KB	Output is correct
61	Correct	26 ms	66396 KB	Output is correct
62	Correct	18 ms	56048 KB	Output is correct
63	Correct	26 ms	66396 KB	Output is correct
64	Correct	17 ms	56048 KB	Output is correct
65	Correct	23 ms	64192 KB	Output is correct
66	Correct	22 ms	62044 KB	Output is correct
67	Correct	22 ms	60132 KB	Output is correct
68	Correct	19 ms	58104 KB	Output is correct
69	Correct	26 ms	64092 KB	Output is correct
70	Correct	22 ms	62044 KB	Output is correct
71	Correct	23 ms	62044 KB	Output is correct
72	Correct	26 ms	64252 KB	Output is correct
73	Correct	21 ms	59992 KB	Output is correct
74	Correct	22 ms	57948 KB	Output is correct
75	Correct	22 ms	62044 KB	Output is correct
76	Correct	25 ms	66140 KB	Output is correct
77	Correct	27 ms	66212 KB	Output is correct
78	Correct	19 ms	57948 KB	Output is correct
79	Correct	20 ms	59996 KB	Output is correct
80	Correct	24 ms	66140 KB	Output is correct
81	Correct	22 ms	60252 KB	Output is correct
82	Correct	21 ms	62044 KB	Output is correct
83	Correct	27 ms	66396 KB	Output is correct
84	Correct	22 ms	62184 KB	Output is correct
85	Correct	24 ms	66312 KB	Output is correct
86	Correct	23 ms	64088 KB	Output is correct
87	Correct	22 ms	62044 KB	Output is correct
88	Correct	27 ms	66652 KB	Output is correct
89	Correct	29 ms	67028 KB	Output is correct
90	Correct	22 ms	62040 KB	Output is correct
91	Correct	26 ms	66904 KB	Output is correct
92	Correct	29 ms	66908 KB	Output is correct
93	Correct	26 ms	66392 KB	Output is correct

답안 #861017

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 10.0 / 10.0

Subtask #4 75.0 / 75.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
10.0 / 10.0

Subtask #4
75.0 / 75.0