답안 #363890

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
363890	2021-02-07T12:53:19 Z	wind_reaper	Collecting Stamps 3 (JOI20_ho_t3)	C++17	100 / 100	188 ms	129552 KB

ho_t3

#include <bits/stdc++.h>

using namespace std;

const int64_t INF = 1e16;

template<typename T> 
void smin(T &a, T b){
	a = min(a, b);
}
int32_t main(){
	ios_base::sync_with_stdio(false); 
	cin.tie(NULL); 
	
	int n; 
	int64_t l; 
	cin >> n >> l; 

	vector<int64_t> pos(n+2), t(n+2);

	for(int i = 1; i <= n; i++)
		cin >> pos[i];

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

	t[0] = 0;
	pos[0] = 0;
	pos[n+1] = l;
	t[n+1] = 0; 
	int64_t dp[n+2][n+2][2][n+2];
	for(int i = 0; i < n + 2; i++)
		for(int j = 0; j < n + 2; j++)
			for(int k = 0; k < n + 2; k++)
				dp[i][j][0][k] = dp[i][j][1][k] = INF; 

	dp[0][n+1][0][0] = dp[0][n+1][1][0] = 0;
	for(int i = 0; i <= n; i++){
		for(int j = n+1; j > i + 1; --j){
			for(int k = 0; k < n; k++){
				int64_t min_time = min(dp[i][j][0][k]+pos[i+1]-pos[i], dp[i][j][1][k]+l-pos[j]+pos[i+1]);
				smin(dp[i+1][j][0][k+(min_time<=t[i+1] ? 1 : 0)], min_time);
				min_time = min(dp[i][j][0][k]+l-pos[j-1]+pos[i], dp[i][j][1][k]+pos[j]-pos[j-1]);
				smin(dp[i][j-1][1][k+(min_time<=t[j-1] ? 1 : 0)], min_time);
			}
		}
	}

	int ans = 0; 
	for(int i = 0; i <= n+1; i++)
		for(int j = 0; j <= n+1; j++)
			for(int k = 0; k <= n+1; k++)
				for(int z = 0; z < 2; z++)
					if(dp[i][j][z][k] <= 1000000000){
						ans = max(ans, k);
					}

	cout << ans << '\n';
	return 0; 
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	0 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	0 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	0 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	508 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	0 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	0 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	0 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	508 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	0 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	0 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	0 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	508 KB	Output is correct
18	Correct	120 ms	93292 KB	Output is correct
19	Correct	58 ms	44268 KB	Output is correct
20	Correct	23 ms	17388 KB	Output is correct
21	Correct	53 ms	40556 KB	Output is correct
22	Correct	83 ms	59884 KB	Output is correct
23	Correct	18 ms	13804 KB	Output is correct
24	Correct	13 ms	9580 KB	Output is correct
25	Correct	17 ms	13292 KB	Output is correct
26	Correct	4 ms	3436 KB	Output is correct
27	Correct	19 ms	14316 KB	Output is correct
28	Correct	11 ms	8684 KB	Output is correct
29	Correct	19 ms	14572 KB	Output is correct
30	Correct	13 ms	10220 KB	Output is correct
31	Correct	18 ms	13292 KB	Output is correct
32	Correct	7 ms	5228 KB	Output is correct
33	Correct	17 ms	13292 KB	Output is correct
34	Correct	4 ms	3052 KB	Output is correct
35	Correct	17 ms	12908 KB	Output is correct
36	Correct	6 ms	4460 KB	Output is correct
37	Correct	20 ms	14188 KB	Output is correct
38	Correct	9 ms	5868 KB	Output is correct
39	Correct	20 ms	15084 KB	Output is correct
40	Correct	9 ms	6892 KB	Output is correct
41	Correct	164 ms	127468 KB	Output is correct
42	Correct	90 ms	70636 KB	Output is correct
43	Correct	171 ms	127596 KB	Output is correct
44	Correct	89 ms	69356 KB	Output is correct
45	Correct	156 ms	127468 KB	Output is correct
46	Correct	93 ms	70804 KB	Output is correct

Subtask #4
75.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	0 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	0 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	0 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	508 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	120 ms	93292 KB	Output is correct
37	Correct	58 ms	44268 KB	Output is correct
38	Correct	23 ms	17388 KB	Output is correct
39	Correct	53 ms	40556 KB	Output is correct
40	Correct	83 ms	59884 KB	Output is correct
41	Correct	18 ms	13804 KB	Output is correct
42	Correct	13 ms	9580 KB	Output is correct
43	Correct	17 ms	13292 KB	Output is correct
44	Correct	4 ms	3436 KB	Output is correct
45	Correct	19 ms	14316 KB	Output is correct
46	Correct	11 ms	8684 KB	Output is correct
47	Correct	19 ms	14572 KB	Output is correct
48	Correct	13 ms	10220 KB	Output is correct
49	Correct	18 ms	13292 KB	Output is correct
50	Correct	7 ms	5228 KB	Output is correct
51	Correct	17 ms	13292 KB	Output is correct
52	Correct	4 ms	3052 KB	Output is correct
53	Correct	17 ms	12908 KB	Output is correct
54	Correct	6 ms	4460 KB	Output is correct
55	Correct	20 ms	14188 KB	Output is correct
56	Correct	9 ms	5868 KB	Output is correct
57	Correct	20 ms	15084 KB	Output is correct
58	Correct	9 ms	6892 KB	Output is correct
59	Correct	164 ms	127468 KB	Output is correct
60	Correct	90 ms	70636 KB	Output is correct
61	Correct	171 ms	127596 KB	Output is correct
62	Correct	89 ms	69356 KB	Output is correct
63	Correct	156 ms	127468 KB	Output is correct
64	Correct	93 ms	70804 KB	Output is correct
65	Correct	138 ms	109420 KB	Output is correct
66	Correct	141 ms	96364 KB	Output is correct
67	Correct	117 ms	90220 KB	Output is correct
68	Correct	104 ms	79980 KB	Output is correct
69	Correct	137 ms	107756 KB	Output is correct
70	Correct	134 ms	101100 KB	Output is correct
71	Correct	138 ms	102892 KB	Output is correct
72	Correct	127 ms	104300 KB	Output is correct
73	Correct	146 ms	93164 KB	Output is correct
74	Correct	113 ms	84296 KB	Output is correct
75	Correct	126 ms	98028 KB	Output is correct
76	Correct	155 ms	120044 KB	Output is correct
77	Correct	154 ms	120044 KB	Output is correct
78	Correct	110 ms	81388 KB	Output is correct
79	Correct	116 ms	85740 KB	Output is correct
80	Correct	149 ms	116460 KB	Output is correct
81	Correct	114 ms	87276 KB	Output is correct
82	Correct	137 ms	94700 KB	Output is correct
83	Correct	164 ms	127468 KB	Output is correct
84	Correct	131 ms	101228 KB	Output is correct
85	Correct	166 ms	114796 KB	Output is correct
86	Correct	149 ms	111084 KB	Output is correct
87	Correct	126 ms	97900 KB	Output is correct
88	Correct	188 ms	129388 KB	Output is correct
89	Correct	167 ms	129552 KB	Output is correct
90	Correct	128 ms	99436 KB	Output is correct
91	Correct	165 ms	129388 KB	Output is correct
92	Correct	167 ms	129516 KB	Output is correct
93	Correct	162 ms	125548 KB	Output is correct

답안 #363890

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