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Submission #262199

# Submission time Handle Problem Language Result Execution time Memory
262199 2020-08-12T13:18:15 Z sahil_k Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 170 ms 135416 KB 
#include <iostream>
using namespace std;
#define MAXN 210
int n;
long long l;
long long dist[MAXN];
long long tm[MAXN];
long long dp[MAXN][MAXN][2][MAXN];
int o = 0;
int main () {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cin >> n >> l;
	for (int i=1; i<=n; i++) {
		cin >> dist[i];
	}
	dist[n+1] = l;
	for (int i=1; i<=n; i++) {
		cin >> tm[i];
	}
	for (int i=0; i<=n+1; i++) {
		for (int j=0; j<=n+1; j++) {
			for (int k=0; k<=n+1; k++) {
				dp[i][j][0][k] = dp[i][j][1][k] = 1e16;
			}
		}
	}
	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++) {
				long long d1 = min(dp[i][j][0][k]+dist[i+1]-dist[i], dp[i][j][1][k]+dist[i+1]+l-dist[j]);
				dp[i+1][j][0][k+(d1<=tm[i+1])] = min(dp[i+1][j][0][k+(d1<=tm[i+1])], d1);
				long long d2 = min(dp[i][j][1][k]+dist[j]-dist[j-1], dp[i][j][0][k]+dist[i]+l-dist[j-1]);
				dp[i][j-1][1][k+(d2<=tm[j-1])] = min(dp[i][j-1][1][k+(d2<=tm[j-1])], d2);
			}
		}
	}
	for (int i=0; i<=n+1; i++) {
		for (int j=0; j<=n+1; j++) {
			for (int k=0; k<=n; k++) {
				if (dp[i][j][0][k] < 1e16 || dp[i][j][1][k] < 1e16) {
					o = max(o, k);
				}
 			}
		}
	}
	cout << o << endl;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 0 ms 512 KB Output is correct
3 Correct 1 ms 768 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 0 ms 640 KB Output is correct
6 Correct 1 ms 1024 KB Output is correct
7 Correct 1 ms 640 KB Output is correct
8 Correct 1 ms 896 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 1024 KB Output is correct
13 Correct 1 ms 1024 KB Output is correct
14 Correct 1 ms 640 KB Output is correct
15 Correct 1 ms 640 KB Output is correct
16 Correct 1 ms 1024 KB Output is correct
17 Correct 1 ms 1024 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 0 ms 512 KB Output is correct
3 Correct 1 ms 768 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 0 ms 640 KB Output is correct
6 Correct 1 ms 1024 KB Output is correct
7 Correct 1 ms 640 KB Output is correct
8 Correct 1 ms 896 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 1024 KB Output is correct
13 Correct 1 ms 1024 KB Output is correct
14 Correct 1 ms 640 KB Output is correct
15 Correct 1 ms 640 KB Output is correct
16 Correct 1 ms 1024 KB Output is correct
17 Correct 1 ms 1024 KB Output is correct
18 Correct 1 ms 1280 KB Output is correct
19 Correct 1 ms 896 KB Output is correct
20 Correct 0 ms 1024 KB Output is correct
21 Correct 1 ms 1280 KB Output is correct
22 Correct 1 ms 768 KB Output is correct
23 Correct 1 ms 1280 KB Output is correct
24 Correct 1 ms 1152 KB Output is correct
25 Correct 1 ms 1280 KB Output is correct
26 Correct 1 ms 1280 KB Output is correct
27 Correct 1 ms 640 KB Output is correct
28 Correct 1 ms 768 KB Output is correct
29 Correct 1 ms 1280 KB Output is correct
30 Correct 1 ms 1280 KB Output is correct
31 Correct 1 ms 1280 KB Output is correct
32 Correct 1 ms 1152 KB Output is correct
33 Correct 1 ms 1280 KB Output is correct
34 Correct 1 ms 1280 KB Output is correct
35 Correct 1 ms 1408 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 0 ms 512 KB Output is correct
3 Correct 1 ms 768 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 0 ms 640 KB Output is correct
6 Correct 1 ms 1024 KB Output is correct
7 Correct 1 ms 640 KB Output is correct
8 Correct 1 ms 896 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 1024 KB Output is correct
13 Correct 1 ms 1024 KB Output is correct
14 Correct 1 ms 640 KB Output is correct
15 Correct 1 ms 640 KB Output is correct
16 Correct 1 ms 1024 KB Output is correct
17 Correct 1 ms 1024 KB Output is correct
18 Correct 122 ms 108800 KB Output is correct
19 Correct 71 ms 66168 KB Output is correct
20 Correct 33 ms 35584 KB Output is correct
21 Correct 64 ms 62584 KB Output is correct
22 Correct 86 ms 80888 KB Output is correct
23 Correct 27 ms 30336 KB Output is correct
24 Correct 21 ms 23808 KB Output is correct
25 Correct 27 ms 29696 KB Output is correct
26 Correct 9 ms 11648 KB Output is correct
27 Correct 28 ms 30976 KB Output is correct
28 Correct 20 ms 22144 KB Output is correct
29 Correct 29 ms 31616 KB Output is correct
30 Correct 23 ms 24960 KB Output is correct
31 Correct 27 ms 29696 KB Output is correct
32 Correct 13 ms 15744 KB Output is correct
33 Correct 27 ms 29696 KB Output is correct
34 Correct 8 ms 10912 KB Output is correct
35 Correct 26 ms 29184 KB Output is correct
36 Correct 12 ms 14080 KB Output is correct
37 Correct 28 ms 30976 KB Output is correct
38 Correct 14 ms 17152 KB Output is correct
39 Correct 30 ms 32256 KB Output is correct
40 Correct 17 ms 19072 KB Output is correct
41 Correct 160 ms 134008 KB Output is correct
42 Correct 101 ms 90488 KB Output is correct
43 Correct 166 ms 134120 KB Output is correct
44 Correct 108 ms 89464 KB Output is correct
45 Correct 160 ms 134008 KB Output is correct
46 Correct 99 ms 90540 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 0 ms 512 KB Output is correct
3 Correct 1 ms 768 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 0 ms 640 KB Output is correct
6 Correct 1 ms 1024 KB Output is correct
7 Correct 1 ms 640 KB Output is correct
8 Correct 1 ms 896 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 1024 KB Output is correct
13 Correct 1 ms 1024 KB Output is correct
14 Correct 1 ms 640 KB Output is correct
15 Correct 1 ms 640 KB Output is correct
16 Correct 1 ms 1024 KB Output is correct
17 Correct 1 ms 1024 KB Output is correct
18 Correct 1 ms 1280 KB Output is correct
19 Correct 1 ms 896 KB Output is correct
20 Correct 0 ms 1024 KB Output is correct
21 Correct 1 ms 1280 KB Output is correct
22 Correct 1 ms 768 KB Output is correct
23 Correct 1 ms 1280 KB Output is correct
24 Correct 1 ms 1152 KB Output is correct
25 Correct 1 ms 1280 KB Output is correct
26 Correct 1 ms 1280 KB Output is correct
27 Correct 1 ms 640 KB Output is correct
28 Correct 1 ms 768 KB Output is correct
29 Correct 1 ms 1280 KB Output is correct
30 Correct 1 ms 1280 KB Output is correct
31 Correct 1 ms 1280 KB Output is correct
32 Correct 1 ms 1152 KB Output is correct
33 Correct 1 ms 1280 KB Output is correct
34 Correct 1 ms 1280 KB Output is correct
35 Correct 1 ms 1408 KB Output is correct
36 Correct 122 ms 108800 KB Output is correct
37 Correct 71 ms 66168 KB Output is correct
38 Correct 33 ms 35584 KB Output is correct
39 Correct 64 ms 62584 KB Output is correct
40 Correct 86 ms 80888 KB Output is correct
41 Correct 27 ms 30336 KB Output is correct
42 Correct 21 ms 23808 KB Output is correct
43 Correct 27 ms 29696 KB Output is correct
44 Correct 9 ms 11648 KB Output is correct
45 Correct 28 ms 30976 KB Output is correct
46 Correct 20 ms 22144 KB Output is correct
47 Correct 29 ms 31616 KB Output is correct
48 Correct 23 ms 24960 KB Output is correct
49 Correct 27 ms 29696 KB Output is correct
50 Correct 13 ms 15744 KB Output is correct
51 Correct 27 ms 29696 KB Output is correct
52 Correct 8 ms 10912 KB Output is correct
53 Correct 26 ms 29184 KB Output is correct
54 Correct 12 ms 14080 KB Output is correct
55 Correct 28 ms 30976 KB Output is correct
56 Correct 14 ms 17152 KB Output is correct
57 Correct 30 ms 32256 KB Output is correct
58 Correct 17 ms 19072 KB Output is correct
59 Correct 160 ms 134008 KB Output is correct
60 Correct 101 ms 90488 KB Output is correct
61 Correct 166 ms 134120 KB Output is correct
62 Correct 108 ms 89464 KB Output is correct
63 Correct 160 ms 134008 KB Output is correct
64 Correct 99 ms 90540 KB Output is correct
65 Correct 142 ms 121080 KB Output is correct
66 Correct 127 ms 111096 KB Output is correct
67 Correct 128 ms 106488 KB Output is correct
68 Correct 111 ms 98328 KB Output is correct
69 Correct 129 ms 119804 KB Output is correct
70 Correct 132 ms 114808 KB Output is correct
71 Correct 134 ms 116096 KB Output is correct
72 Correct 128 ms 117240 KB Output is correct
73 Correct 121 ms 108920 KB Output is correct
74 Correct 105 ms 101752 KB Output is correct
75 Correct 119 ms 112376 KB Output is correct
76 Correct 151 ms 128760 KB Output is correct
77 Correct 157 ms 128764 KB Output is correct
78 Correct 110 ms 99448 KB Output is correct
79 Correct 115 ms 102904 KB Output is correct
80 Correct 150 ms 126072 KB Output is correct
81 Correct 118 ms 104056 KB Output is correct
82 Correct 128 ms 109944 KB Output is correct
83 Correct 170 ms 134136 KB Output is correct
84 Correct 132 ms 114808 KB Output is correct
85 Correct 145 ms 124792 KB Output is correct
86 Correct 143 ms 122232 KB Output is correct
87 Correct 129 ms 112376 KB Output is correct
88 Correct 160 ms 135292 KB Output is correct
89 Correct 164 ms 135416 KB Output is correct
90 Correct 137 ms 113648 KB Output is correct
91 Correct 153 ms 135288 KB Output is correct
92 Correct 160 ms 135336 KB Output is correct
93 Correct 159 ms 132600 KB Output is correct