답안 #203338

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
203338	2020-02-20T09:07:38 Z	staniewzki	Collecting Stamps 3 (JOI20_ho_t3)	C++17	100 / 100	641 ms	448888 KB

ho_t3

#include<bits/stdc++.h>
using namespace std;
 
#define REP(i, n) for(int i = 0; i < n; i++)

template<class T> auto create(T x) { return x; }
template<class... Ts> auto create(int n, Ts... x) {
	return vector(n, create(x...));
}

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

	int n, len;
	cin >> n >> len;
	vector<int> x(n), t(n);
	REP(i, n) cin >> x[i];
	REP(i, n) cin >> t[i];

	auto dp = create(n + 1, n + 1, n + 1, 2, (long long) 1e9 + 1);

	vector<int> d(n + 2);
	REP(i, n) d[i + 1] = x[i];
	d[n + 1] = len;

	auto left = [&](int a, int b) { return d[b] - d[a]; };
	auto right = [&](int a, int b) { return d[n + 1 - a] - d[n + 1 - b]; };

	dp[0][0][0][0] = 0;
	dp[0][0][0][1] = 0;
	int ans = 0;

	REP(l, n + 1) REP(r, n + 1) {
		if(l + r > n) break;
		REP(k, n + 1) {
			if(l) {
				dp[l][r][k][0] = min(dp[l][r][k][0], dp[l - 1][r][k][0] + left(l - 1, l));
				dp[l][r][k][0] = min(dp[l][r][k][0], dp[l - 1][r][k][1] + left(0, l) + right(0, r));
			}
			if(r) {
				dp[l][r][k][1] = min(dp[l][r][k][1], dp[l][r - 1][k][1] + right(r - 1, r));
				dp[l][r][k][1] = min(dp[l][r][k][1], dp[l][r - 1][k][0] + left(0, l) + right(0, r));
			}
		}

		for(int k = n; k >= 1; k--) {
			if(l && dp[l][r][k - 1][0] <= t[l - 1]) {
				dp[l][r][k][0] = dp[l][r][k - 1][0];
				ans = max(ans, k);
			}
			if(r && dp[l][r][k - 1][1] <= t[n - r]) {
				dp[l][r][k][1] = dp[l][r][k - 1][1];
				ans = max(ans, k);
			}
		}
	}

	cout << ans << "\n";
}

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	376 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	504 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	408 KB	Output is correct
9	Correct	6 ms	632 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	504 KB	Output is correct
13	Correct	5 ms	504 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	504 KB	Output is correct
17	Correct	5 ms	508 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	376 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	504 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	408 KB	Output is correct
9	Correct	6 ms	632 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	504 KB	Output is correct
13	Correct	5 ms	504 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	504 KB	Output is correct
17	Correct	5 ms	508 KB	Output is correct
18	Correct	5 ms	504 KB	Output is correct
19	Correct	5 ms	376 KB	Output is correct
20	Correct	7 ms	504 KB	Output is correct
21	Correct	5 ms	504 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	6 ms	504 KB	Output is correct
24	Correct	5 ms	504 KB	Output is correct
25	Correct	5 ms	504 KB	Output is correct
26	Correct	5 ms	504 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	376 KB	Output is correct
29	Correct	5 ms	504 KB	Output is correct
30	Correct	5 ms	504 KB	Output is correct
31	Correct	5 ms	504 KB	Output is correct
32	Correct	5 ms	504 KB	Output is correct
33	Correct	5 ms	504 KB	Output is correct
34	Correct	5 ms	504 KB	Output is correct
35	Correct	5 ms	504 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	376 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	504 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	408 KB	Output is correct
9	Correct	6 ms	632 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	504 KB	Output is correct
13	Correct	5 ms	504 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	504 KB	Output is correct
17	Correct	5 ms	508 KB	Output is correct
18	Correct	458 ms	323108 KB	Output is correct
19	Correct	223 ms	152592 KB	Output is correct
20	Correct	90 ms	59512 KB	Output is correct
21	Correct	202 ms	140024 KB	Output is correct
22	Correct	297 ms	206560 KB	Output is correct
23	Correct	75 ms	46712 KB	Output is correct
24	Correct	51 ms	32248 KB	Output is correct
25	Correct	68 ms	45176 KB	Output is correct
26	Correct	19 ms	10744 KB	Output is correct
27	Correct	72 ms	48124 KB	Output is correct
28	Correct	51 ms	29048 KB	Output is correct
29	Correct	77 ms	49656 KB	Output is correct
30	Correct	54 ms	34552 KB	Output is correct
31	Correct	71 ms	45176 KB	Output is correct
32	Correct	29 ms	17272 KB	Output is correct
33	Correct	71 ms	45304 KB	Output is correct
34	Correct	18 ms	9720 KB	Output is correct
35	Correct	66 ms	43768 KB	Output is correct
36	Correct	25 ms	14328 KB	Output is correct
37	Correct	71 ms	48120 KB	Output is correct
38	Correct	34 ms	19576 KB	Output is correct
39	Correct	77 ms	51192 KB	Output is correct
40	Correct	37 ms	23036 KB	Output is correct
41	Correct	609 ms	442616 KB	Output is correct
42	Correct	339 ms	244600 KB	Output is correct
43	Correct	624 ms	442484 KB	Output is correct
44	Correct	339 ms	239864 KB	Output is correct
45	Correct	641 ms	442488 KB	Output is correct
46	Correct	345 ms	244728 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	376 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	504 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	408 KB	Output is correct
9	Correct	6 ms	632 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	504 KB	Output is correct
13	Correct	5 ms	504 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	504 KB	Output is correct
17	Correct	5 ms	508 KB	Output is correct
18	Correct	5 ms	504 KB	Output is correct
19	Correct	5 ms	376 KB	Output is correct
20	Correct	7 ms	504 KB	Output is correct
21	Correct	5 ms	504 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	6 ms	504 KB	Output is correct
24	Correct	5 ms	504 KB	Output is correct
25	Correct	5 ms	504 KB	Output is correct
26	Correct	5 ms	504 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	376 KB	Output is correct
29	Correct	5 ms	504 KB	Output is correct
30	Correct	5 ms	504 KB	Output is correct
31	Correct	5 ms	504 KB	Output is correct
32	Correct	5 ms	504 KB	Output is correct
33	Correct	5 ms	504 KB	Output is correct
34	Correct	5 ms	504 KB	Output is correct
35	Correct	5 ms	504 KB	Output is correct
36	Correct	458 ms	323108 KB	Output is correct
37	Correct	223 ms	152592 KB	Output is correct
38	Correct	90 ms	59512 KB	Output is correct
39	Correct	202 ms	140024 KB	Output is correct
40	Correct	297 ms	206560 KB	Output is correct
41	Correct	75 ms	46712 KB	Output is correct
42	Correct	51 ms	32248 KB	Output is correct
43	Correct	68 ms	45176 KB	Output is correct
44	Correct	19 ms	10744 KB	Output is correct
45	Correct	72 ms	48124 KB	Output is correct
46	Correct	51 ms	29048 KB	Output is correct
47	Correct	77 ms	49656 KB	Output is correct
48	Correct	54 ms	34552 KB	Output is correct
49	Correct	71 ms	45176 KB	Output is correct
50	Correct	29 ms	17272 KB	Output is correct
51	Correct	71 ms	45304 KB	Output is correct
52	Correct	18 ms	9720 KB	Output is correct
53	Correct	66 ms	43768 KB	Output is correct
54	Correct	25 ms	14328 KB	Output is correct
55	Correct	71 ms	48120 KB	Output is correct
56	Correct	34 ms	19576 KB	Output is correct
57	Correct	77 ms	51192 KB	Output is correct
58	Correct	37 ms	23036 KB	Output is correct
59	Correct	609 ms	442616 KB	Output is correct
60	Correct	339 ms	244600 KB	Output is correct
61	Correct	624 ms	442484 KB	Output is correct
62	Correct	339 ms	239864 KB	Output is correct
63	Correct	641 ms	442488 KB	Output is correct
64	Correct	345 ms	244728 KB	Output is correct
65	Correct	533 ms	379640 KB	Output is correct
66	Correct	469 ms	334072 KB	Output is correct
67	Correct	449 ms	312488 KB	Output is correct
68	Correct	400 ms	276856 KB	Output is correct
69	Correct	542 ms	373368 KB	Output is correct
70	Correct	504 ms	350200 KB	Output is correct
71	Correct	484 ms	356216 KB	Output is correct
72	Correct	519 ms	361720 KB	Output is correct
73	Correct	458 ms	322888 KB	Output is correct
74	Correct	429 ms	291832 KB	Output is correct
75	Correct	466 ms	339064 KB	Output is correct
76	Correct	579 ms	416632 KB	Output is correct
77	Correct	584 ms	416760 KB	Output is correct
78	Correct	396 ms	281976 KB	Output is correct
79	Correct	427 ms	296820 KB	Output is correct
80	Correct	576 ms	403908 KB	Output is correct
81	Correct	419 ms	302072 KB	Output is correct
82	Correct	468 ms	328056 KB	Output is correct
83	Correct	607 ms	442696 KB	Output is correct
84	Correct	493 ms	350328 KB	Output is correct
85	Correct	548 ms	397560 KB	Output is correct
86	Correct	532 ms	385400 KB	Output is correct
87	Correct	481 ms	339064 KB	Output is correct
88	Correct	630 ms	448760 KB	Output is correct
89	Correct	634 ms	448760 KB	Output is correct
90	Correct	511 ms	344952 KB	Output is correct
91	Correct	628 ms	448888 KB	Output is correct
92	Correct	615 ms	448760 KB	Output is correct
93	Correct	619 ms	435680 KB	Output is correct

답안 #203338

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