oj.uz

Submission #206660

# Submission time Handle Problem Language Result Execution time Memory
206660 2020-03-04T11:50:59 Z davitmarg Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 170 ms 65912 KB 
/*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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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