oj.uz

Submission #910127

# Submission time Handle Problem Language Result Execution time Memory
910127 2024-01-17T23:35:35 Z OAleksa Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 70 ms 140160 KB 
#include <bits/stdc++.h>
//ako ovaj vaso daso misli da me pobedjuje.....
using namespace std;
#define int long long
#define f first
#define s second
const int N = 210;
const int inf = 1e18;
int n, l, x[N], t[N], dp[N][N][N][2];
//prvih i, poslednjih j, pokupio, i/j
signed main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int tt = 1;
  //cin >> tt;
  while (tt--) {
  	cin >> n >> l;
  	for (int i = 1;i <= n;i++) {
  		cin >> x[i];
  	}
  	for (int i = 1;i <= n;i++) {
  		cin >> t[i];
  	}
  	x[n + 1] = l;
  	for (int i = 0;i <= n;i++) {
  		for (int j = 0;j <= n;j++) {
  			for (int k = 0;k <= n;k++)
  				dp[i][j][k][0] = dp[i][j][k][1] = inf;
  		}
  	}
  	dp[0][0][0][0] = dp[0][0][0][1] = 0;
  	int ans = 0;
  	for (int cnt = 0;cnt <= n;cnt++) {
  		for (int i = 0;i <= n;i++) {
  			for (int j = 0;j <= n;j++) {
  				if (i + j > n)
  					break;
  				if (i > 0) {
  					dp[i][j][cnt][0] = min(dp[i][j][cnt][0], dp[i - 1][j][cnt][0] + x[i] - x[i - 1]);
  					dp[i][j][cnt][0] = min(dp[i][j][cnt][0], dp[i - 1][j][cnt][1] + x[i] + (l - x[n - j + 1]));
  					if (cnt > 0) {
  						int time1 = dp[i - 1][j][cnt - 1][0] + x[i] - x[i - 1];
  						int time2 = dp[i - 1][j][cnt - 1][1] + x[i] + (l - x[n - j + 1]);
  						int time = min(time1, time2);
  						if (time <= t[i])
  							dp[i][j][cnt][0] = min(dp[i][j][cnt][0], time);
  					}
  				}
  				if (j > 0) {
  					dp[i][j][cnt][1] = min(dp[i][j][cnt][1], dp[i][j - 1][cnt][1] + x[n - j + 2] - x[n - j + 1]);
  					dp[i][j][cnt][1] = min(dp[i][j][cnt][1], dp[i][j - 1][cnt][0] + x[i] + (l - x[n - j + 1]));
  					if (cnt > 0) {
	  					int time1 = dp[i][j - 1][cnt - 1][1] + x[n - j + 2] - x[n - j + 1];
	  					int time2 = dp[i][j - 1][cnt - 1][0] + x[i] + (l - x[n - j + 1]);
	  					int time = min(time1, time2);
	  					if (time <= t[n - j + 1])
	  						dp[i][j][cnt][1] = min(dp[i][j][cnt][1], time);
  					}
  				}
  				if (dp[i][j][cnt][0] != inf || dp[i][j][cnt][1] != inf)
  					ans = cnt;
  			}
  		}
  	}
  	cout << ans;
	}
  return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 6488 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 2 ms 8540 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 2 ms 8540 KB Output is correct
13 Correct 2 ms 8540 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 2 ms 8540 KB Output is correct
17 Correct 2 ms 8540 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 6488 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 2 ms 8540 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 2 ms 8540 KB Output is correct
13 Correct 2 ms 8540 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 2 ms 8540 KB Output is correct
17 Correct 2 ms 8540 KB Output is correct
18 Correct 2 ms 10588 KB Output is correct
19 Correct 2 ms 8540 KB Output is correct
20 Correct 2 ms 8540 KB Output is correct
21 Correct 2 ms 10840 KB Output is correct
22 Correct 1 ms 6640 KB Output is correct
23 Correct 2 ms 10588 KB Output is correct
24 Correct 2 ms 10756 KB Output is correct
25 Correct 2 ms 10588 KB Output is correct
26 Correct 2 ms 10588 KB Output is correct
27 Correct 2 ms 6488 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Correct 2 ms 10588 KB Output is correct
30 Correct 2 ms 10588 KB Output is correct
31 Correct 2 ms 10588 KB Output is correct
32 Correct 2 ms 10588 KB Output is correct
33 Correct 3 ms 10588 KB Output is correct
34 Correct 2 ms 10588 KB Output is correct
35 Correct 2 ms 10712 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 6488 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 2 ms 8540 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 2 ms 8540 KB Output is correct
13 Correct 2 ms 8540 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 2 ms 8540 KB Output is correct
17 Correct 2 ms 8540 KB Output is correct
18 Correct 51 ms 125816 KB Output is correct
19 Correct 35 ms 96860 KB Output is correct
20 Correct 18 ms 72288 KB Output is correct
21 Correct 29 ms 94816 KB Output is correct
22 Correct 38 ms 107352 KB Output is correct
23 Correct 15 ms 66144 KB Output is correct
24 Correct 12 ms 57952 KB Output is correct
25 Correct 14 ms 66320 KB Output is correct
26 Correct 7 ms 39528 KB Output is correct
27 Correct 15 ms 66244 KB Output is correct
28 Correct 13 ms 55896 KB Output is correct
29 Correct 16 ms 68188 KB Output is correct
30 Correct 13 ms 60008 KB Output is correct
31 Correct 16 ms 66188 KB Output is correct
32 Correct 9 ms 47708 KB Output is correct
33 Correct 16 ms 66140 KB Output is correct
34 Correct 7 ms 39512 KB Output is correct
35 Correct 14 ms 64088 KB Output is correct
36 Correct 8 ms 43612 KB Output is correct
37 Correct 15 ms 66140 KB Output is correct
38 Correct 9 ms 49756 KB Output is correct
39 Correct 16 ms 68188 KB Output is correct
40 Correct 10 ms 51804 KB Output is correct
41 Correct 66 ms 140112 KB Output is correct
42 Correct 45 ms 115800 KB Output is correct
43 Correct 68 ms 139952 KB Output is correct
44 Correct 41 ms 113500 KB Output is correct
45 Correct 65 ms 139912 KB Output is correct
46 Correct 42 ms 115548 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 6488 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 2 ms 8540 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 2 ms 8540 KB Output is correct
13 Correct 2 ms 8540 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 2 ms 8540 KB Output is correct
17 Correct 2 ms 8540 KB Output is correct
18 Correct 2 ms 10588 KB Output is correct
19 Correct 2 ms 8540 KB Output is correct
20 Correct 2 ms 8540 KB Output is correct
21 Correct 2 ms 10840 KB Output is correct
22 Correct 1 ms 6640 KB Output is correct
23 Correct 2 ms 10588 KB Output is correct
24 Correct 2 ms 10756 KB Output is correct
25 Correct 2 ms 10588 KB Output is correct
26 Correct 2 ms 10588 KB Output is correct
27 Correct 2 ms 6488 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Correct 2 ms 10588 KB Output is correct
30 Correct 2 ms 10588 KB Output is correct
31 Correct 2 ms 10588 KB Output is correct
32 Correct 2 ms 10588 KB Output is correct
33 Correct 3 ms 10588 KB Output is correct
34 Correct 2 ms 10588 KB Output is correct
35 Correct 2 ms 10712 KB Output is correct
36 Correct 51 ms 125816 KB Output is correct
37 Correct 35 ms 96860 KB Output is correct
38 Correct 18 ms 72288 KB Output is correct
39 Correct 29 ms 94816 KB Output is correct
40 Correct 38 ms 107352 KB Output is correct
41 Correct 15 ms 66144 KB Output is correct
42 Correct 12 ms 57952 KB Output is correct
43 Correct 14 ms 66320 KB Output is correct
44 Correct 7 ms 39528 KB Output is correct
45 Correct 15 ms 66244 KB Output is correct
46 Correct 13 ms 55896 KB Output is correct
47 Correct 16 ms 68188 KB Output is correct
48 Correct 13 ms 60008 KB Output is correct
49 Correct 16 ms 66188 KB Output is correct
50 Correct 9 ms 47708 KB Output is correct
51 Correct 16 ms 66140 KB Output is correct
52 Correct 7 ms 39512 KB Output is correct
53 Correct 14 ms 64088 KB Output is correct
54 Correct 8 ms 43612 KB Output is correct
55 Correct 15 ms 66140 KB Output is correct
56 Correct 9 ms 49756 KB Output is correct
57 Correct 16 ms 68188 KB Output is correct
58 Correct 10 ms 51804 KB Output is correct
59 Correct 66 ms 140112 KB Output is correct
60 Correct 45 ms 115800 KB Output is correct
61 Correct 68 ms 139952 KB Output is correct
62 Correct 41 ms 113500 KB Output is correct
63 Correct 65 ms 139912 KB Output is correct
64 Correct 42 ms 115548 KB Output is correct
65 Correct 56 ms 131920 KB Output is correct
66 Correct 53 ms 127828 KB Output is correct
67 Correct 51 ms 123744 KB Output is correct
68 Correct 45 ms 119640 KB Output is correct
69 Correct 60 ms 131952 KB Output is correct
70 Correct 55 ms 129872 KB Output is correct
71 Correct 54 ms 129868 KB Output is correct
72 Correct 56 ms 129876 KB Output is correct
73 Correct 52 ms 125800 KB Output is correct
74 Correct 49 ms 121692 KB Output is correct
75 Correct 54 ms 127836 KB Output is correct
76 Correct 61 ms 136016 KB Output is correct
77 Correct 63 ms 136020 KB Output is correct
78 Correct 50 ms 119640 KB Output is correct
79 Correct 55 ms 121692 KB Output is correct
80 Correct 65 ms 136020 KB Output is correct
81 Correct 49 ms 123744 KB Output is correct
82 Correct 51 ms 125776 KB Output is correct
83 Correct 70 ms 140112 KB Output is correct
84 Correct 54 ms 129876 KB Output is correct
85 Correct 60 ms 134004 KB Output is correct
86 Correct 58 ms 133980 KB Output is correct
87 Correct 53 ms 127848 KB Output is correct
88 Correct 66 ms 140160 KB Output is correct
89 Correct 63 ms 140124 KB Output is correct
90 Correct 53 ms 127608 KB Output is correct
91 Correct 65 ms 140112 KB Output is correct
92 Correct 64 ms 140120 KB Output is correct
93 Correct 64 ms 138076 KB Output is correct