답안 #202302

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
202302	2020-02-15T08:34:22 Z	amoo_safar	Collecting Stamps 3 (JOI20_ho_t3)	C++14	100 / 100	145 ms	145528 KB

ho_t3

#include <bits/stdc++.h>

#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'

using namespace std;

typedef long long ll;
typedef long double ld;
typedef string str;
typedef pair<ll, ll> pll;

const int N = 2e2 + 10;
const ll Inf = 1e15;
const int Mx = 1e9 + 1;

ll n, L;
ll x[N], t[N], dp[N][N][N][2];

ll Dis(ll i, ll j){
	return min(abs(i - j), L - abs(i - j));
}

int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n >> L;
	for(int i = 0; i < n; i++)
		cin >> x[i];
	for(int i = 0; i < n; i++)
		cin >> t[i];
	ll ans = 0;
	memset(dp, 31, sizeof dp);
	dp[0][0][0][0] = 0;
	dp[0][0][0][1] = 0;
	ll T, I, J;
	for(int i = 0; i < n; i++){
		I = (i ? x[i - 1] : 0);
		for(int j = 0; i + j < n; j++){
			J = (j ? x[n - j] : 0);
			for(int k = 0; k <= i + j; k++){
				T = dp[i][j][k][0] + Dis(I, x[i]);
				dp[i + 1][j][k + (T <= t[i])][0] = min(dp[i + 1][j][k + (T <= t[i])][0], T);

				T = dp[i][j][k][0] + Dis(I, x[n - j - 1]);
				dp[i][j + 1][k + (T <= t[n - j - 1])][1] = min(dp[i][j + 1][k + (T <= t[n - j - 1])][1], T);
				
				T = dp[i][j][k][1] + Dis(J, x[i]);
				dp[i + 1][j][k + (T <= t[i])][0] = min(dp[i + 1][j][k + (T <= t[i])][0], T);
				
				T = dp[i][j][k][1] + Dis(J, x[n - j - 1]);
				dp[i][j + 1][k + (T <= t[n - j - 1])][1] = min(dp[i][j + 1][k + (T <= t[n - j - 1])][1], T);
			}
		}
	}
	for(int i = 0; i <= n; i++)
		for(int k = 0; k <= n; k++)
			if(min(dp[i][n - i][k][0], dp[i][n - i][k][1]) < Inf) ans = max(ans, (ll) k);
	cout << ans << '\n';
	return 0;
}
/*
10 87
9 23 33 38 42 44 45 62 67 78
15 91 7 27 31 53 12 91 89 4
*/

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	75 ms	145272 KB	Output is correct
2	Correct	73 ms	145272 KB	Output is correct
3	Correct	73 ms	145400 KB	Output is correct
4	Correct	72 ms	145276 KB	Output is correct
5	Correct	72 ms	145272 KB	Output is correct
6	Correct	71 ms	145308 KB	Output is correct
7	Correct	72 ms	145272 KB	Output is correct
8	Correct	75 ms	145272 KB	Output is correct
9	Correct	74 ms	145400 KB	Output is correct
10	Correct	71 ms	145400 KB	Output is correct
11	Correct	71 ms	145272 KB	Output is correct
12	Correct	72 ms	145272 KB	Output is correct
13	Correct	72 ms	145272 KB	Output is correct
14	Correct	70 ms	145272 KB	Output is correct
15	Correct	72 ms	145272 KB	Output is correct
16	Correct	72 ms	145400 KB	Output is correct
17	Correct	74 ms	145344 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	75 ms	145272 KB	Output is correct
2	Correct	73 ms	145272 KB	Output is correct
3	Correct	73 ms	145400 KB	Output is correct
4	Correct	72 ms	145276 KB	Output is correct
5	Correct	72 ms	145272 KB	Output is correct
6	Correct	71 ms	145308 KB	Output is correct
7	Correct	72 ms	145272 KB	Output is correct
8	Correct	75 ms	145272 KB	Output is correct
9	Correct	74 ms	145400 KB	Output is correct
10	Correct	71 ms	145400 KB	Output is correct
11	Correct	71 ms	145272 KB	Output is correct
12	Correct	72 ms	145272 KB	Output is correct
13	Correct	72 ms	145272 KB	Output is correct
14	Correct	70 ms	145272 KB	Output is correct
15	Correct	72 ms	145272 KB	Output is correct
16	Correct	72 ms	145400 KB	Output is correct
17	Correct	74 ms	145344 KB	Output is correct
18	Correct	71 ms	145272 KB	Output is correct
19	Correct	72 ms	145272 KB	Output is correct
20	Correct	74 ms	145272 KB	Output is correct
21	Correct	71 ms	145272 KB	Output is correct
22	Correct	74 ms	145272 KB	Output is correct
23	Correct	73 ms	145272 KB	Output is correct
24	Correct	75 ms	145272 KB	Output is correct
25	Correct	71 ms	145400 KB	Output is correct
26	Correct	71 ms	145272 KB	Output is correct
27	Correct	73 ms	145272 KB	Output is correct
28	Correct	72 ms	145276 KB	Output is correct
29	Correct	80 ms	145272 KB	Output is correct
30	Correct	73 ms	145400 KB	Output is correct
31	Correct	72 ms	145272 KB	Output is correct
32	Correct	73 ms	145272 KB	Output is correct
33	Correct	72 ms	145272 KB	Output is correct
34	Correct	73 ms	145400 KB	Output is correct
35	Correct	74 ms	145272 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	75 ms	145272 KB	Output is correct
2	Correct	73 ms	145272 KB	Output is correct
3	Correct	73 ms	145400 KB	Output is correct
4	Correct	72 ms	145276 KB	Output is correct
5	Correct	72 ms	145272 KB	Output is correct
6	Correct	71 ms	145308 KB	Output is correct
7	Correct	72 ms	145272 KB	Output is correct
8	Correct	75 ms	145272 KB	Output is correct
9	Correct	74 ms	145400 KB	Output is correct
10	Correct	71 ms	145400 KB	Output is correct
11	Correct	71 ms	145272 KB	Output is correct
12	Correct	72 ms	145272 KB	Output is correct
13	Correct	72 ms	145272 KB	Output is correct
14	Correct	70 ms	145272 KB	Output is correct
15	Correct	72 ms	145272 KB	Output is correct
16	Correct	72 ms	145400 KB	Output is correct
17	Correct	74 ms	145344 KB	Output is correct
18	Correct	113 ms	145400 KB	Output is correct
19	Correct	86 ms	145400 KB	Output is correct
20	Correct	82 ms	145324 KB	Output is correct
21	Correct	95 ms	145272 KB	Output is correct
22	Correct	102 ms	145272 KB	Output is correct
23	Correct	79 ms	145400 KB	Output is correct
24	Correct	78 ms	145272 KB	Output is correct
25	Correct	78 ms	145276 KB	Output is correct
26	Correct	79 ms	145400 KB	Output is correct
27	Correct	81 ms	145272 KB	Output is correct
28	Correct	79 ms	145272 KB	Output is correct
29	Correct	83 ms	145272 KB	Output is correct
30	Correct	78 ms	145272 KB	Output is correct
31	Correct	78 ms	145272 KB	Output is correct
32	Correct	75 ms	145272 KB	Output is correct
33	Correct	80 ms	145272 KB	Output is correct
34	Correct	73 ms	145272 KB	Output is correct
35	Correct	78 ms	145272 KB	Output is correct
36	Correct	74 ms	145400 KB	Output is correct
37	Correct	80 ms	145272 KB	Output is correct
38	Correct	76 ms	145272 KB	Output is correct
39	Correct	81 ms	145336 KB	Output is correct
40	Correct	76 ms	145272 KB	Output is correct
41	Correct	139 ms	145272 KB	Output is correct
42	Correct	106 ms	145272 KB	Output is correct
43	Correct	137 ms	145400 KB	Output is correct
44	Correct	100 ms	145276 KB	Output is correct
45	Correct	134 ms	145272 KB	Output is correct
46	Correct	107 ms	145272 KB	Output is correct

Subtask #4
75.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	75 ms	145272 KB	Output is correct
2	Correct	73 ms	145272 KB	Output is correct
3	Correct	73 ms	145400 KB	Output is correct
4	Correct	72 ms	145276 KB	Output is correct
5	Correct	72 ms	145272 KB	Output is correct
6	Correct	71 ms	145308 KB	Output is correct
7	Correct	72 ms	145272 KB	Output is correct
8	Correct	75 ms	145272 KB	Output is correct
9	Correct	74 ms	145400 KB	Output is correct
10	Correct	71 ms	145400 KB	Output is correct
11	Correct	71 ms	145272 KB	Output is correct
12	Correct	72 ms	145272 KB	Output is correct
13	Correct	72 ms	145272 KB	Output is correct
14	Correct	70 ms	145272 KB	Output is correct
15	Correct	72 ms	145272 KB	Output is correct
16	Correct	72 ms	145400 KB	Output is correct
17	Correct	74 ms	145344 KB	Output is correct
18	Correct	71 ms	145272 KB	Output is correct
19	Correct	72 ms	145272 KB	Output is correct
20	Correct	74 ms	145272 KB	Output is correct
21	Correct	71 ms	145272 KB	Output is correct
22	Correct	74 ms	145272 KB	Output is correct
23	Correct	73 ms	145272 KB	Output is correct
24	Correct	75 ms	145272 KB	Output is correct
25	Correct	71 ms	145400 KB	Output is correct
26	Correct	71 ms	145272 KB	Output is correct
27	Correct	73 ms	145272 KB	Output is correct
28	Correct	72 ms	145276 KB	Output is correct
29	Correct	80 ms	145272 KB	Output is correct
30	Correct	73 ms	145400 KB	Output is correct
31	Correct	72 ms	145272 KB	Output is correct
32	Correct	73 ms	145272 KB	Output is correct
33	Correct	72 ms	145272 KB	Output is correct
34	Correct	73 ms	145400 KB	Output is correct
35	Correct	74 ms	145272 KB	Output is correct
36	Correct	113 ms	145400 KB	Output is correct
37	Correct	86 ms	145400 KB	Output is correct
38	Correct	82 ms	145324 KB	Output is correct
39	Correct	95 ms	145272 KB	Output is correct
40	Correct	102 ms	145272 KB	Output is correct
41	Correct	79 ms	145400 KB	Output is correct
42	Correct	78 ms	145272 KB	Output is correct
43	Correct	78 ms	145276 KB	Output is correct
44	Correct	79 ms	145400 KB	Output is correct
45	Correct	81 ms	145272 KB	Output is correct
46	Correct	79 ms	145272 KB	Output is correct
47	Correct	83 ms	145272 KB	Output is correct
48	Correct	78 ms	145272 KB	Output is correct
49	Correct	78 ms	145272 KB	Output is correct
50	Correct	75 ms	145272 KB	Output is correct
51	Correct	80 ms	145272 KB	Output is correct
52	Correct	73 ms	145272 KB	Output is correct
53	Correct	78 ms	145272 KB	Output is correct
54	Correct	74 ms	145400 KB	Output is correct
55	Correct	80 ms	145272 KB	Output is correct
56	Correct	76 ms	145272 KB	Output is correct
57	Correct	81 ms	145336 KB	Output is correct
58	Correct	76 ms	145272 KB	Output is correct
59	Correct	139 ms	145272 KB	Output is correct
60	Correct	106 ms	145272 KB	Output is correct
61	Correct	137 ms	145400 KB	Output is correct
62	Correct	100 ms	145276 KB	Output is correct
63	Correct	134 ms	145272 KB	Output is correct
64	Correct	107 ms	145272 KB	Output is correct
65	Correct	127 ms	145380 KB	Output is correct
66	Correct	110 ms	145388 KB	Output is correct
67	Correct	122 ms	145272 KB	Output is correct
68	Correct	99 ms	145272 KB	Output is correct
69	Correct	125 ms	145400 KB	Output is correct
70	Correct	124 ms	145360 KB	Output is correct
71	Correct	121 ms	145400 KB	Output is correct
72	Correct	119 ms	145384 KB	Output is correct
73	Correct	108 ms	145400 KB	Output is correct
74	Correct	114 ms	145372 KB	Output is correct
75	Correct	108 ms	145400 KB	Output is correct
76	Correct	133 ms	145400 KB	Output is correct
77	Correct	134 ms	145528 KB	Output is correct
78	Correct	102 ms	145528 KB	Output is correct
79	Correct	113 ms	145272 KB	Output is correct
80	Correct	145 ms	145272 KB	Output is correct
81	Correct	103 ms	145292 KB	Output is correct
82	Correct	113 ms	145436 KB	Output is correct
83	Correct	133 ms	145272 KB	Output is correct
84	Correct	124 ms	145272 KB	Output is correct
85	Correct	116 ms	145272 KB	Output is correct
86	Correct	127 ms	145272 KB	Output is correct
87	Correct	120 ms	145272 KB	Output is correct
88	Correct	135 ms	145400 KB	Output is correct
89	Correct	138 ms	145444 KB	Output is correct
90	Correct	122 ms	145272 KB	Output is correct
91	Correct	134 ms	145272 KB	Output is correct
92	Correct	134 ms	145272 KB	Output is correct
93	Correct	136 ms	145400 KB	Output is correct

답안 #202302

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