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Submission #959815

# Submission time Handle Problem Language Result Execution time Memory
959815 2024-04-09T07:15:30 Z happy_node Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 71 ms 135368 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int MX=205;

ll N,L;
ll X[MX], T[MX], dp[MX][MX][MX][2];

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

	for(int i=0;i<MX;i++)
		for(int j=0;j<MX;j++)
			for(int x=0;x<MX;x++)
				for(int k=0;k<2;k++)
					dp[i][j][x][k]=1e18;

	cin>>N>>L;
	for(int i=1;i<=N;i++) cin>>X[i];
	for(int i=1;i<=N;i++) cin>>T[i];

	dp[0][N+1][0][0]=0;
	dp[0][N+1][0][1]=0;
	X[N+1]=L;

	for(int l=0;l<=N;l++) {
		for(int r=N+1;r>l;r--) {
			for(int x=0;x<=N;x++) {
				// gerakin kanan
				ll nxt=dp[l][r][x][0]+X[l+1]-X[l];
				if(nxt<=T[l+1])
					dp[l+1][r][x+1][0]=min(dp[l+1][r][x+1][0],nxt);
				else
					dp[l+1][r][x][0]=min(dp[l+1][r][x][0],nxt);

				nxt=dp[l][r][x][1]+L-X[r]+X[l+1];
				if(nxt<=T[l+1])
					dp[l+1][r][x+1][0]=min(dp[l+1][r][x+1][0],nxt);
				else
					dp[l+1][r][x][0]=min(dp[l+1][r][x][0],nxt);

				// gerakin kiri
				nxt=dp[l][r][x][1]+X[r]-X[r-1];
				if(nxt<=T[r-1]) 
					dp[l][r-1][x+1][1]=min(dp[l][r-1][x+1][1],nxt);
				else
					dp[l][r-1][x][1]=min(dp[l][r-1][x][1],nxt);

				nxt=dp[l][r][x][0]+X[l]+L-X[r-1];
				if(nxt<=T[r-1])
					dp[l][r-1][x+1][1]=min(dp[l][r-1][x+1][1],nxt);
				else
					dp[l][r-1][x][1]=min(dp[l][r-1][x][1],nxt);
			}
		}
	}
	
	int ans=0;

	for(int l=0;l<=N;l++) {
		for(int r=N+1;r>l;r--) {
			for(int x=0;x<=N;x++) {
				if(min(dp[l][r][x][0],dp[l][r][x][1])!=1e18)
					ans=max(ans,x);
			}
		}
	}

	cout<<ans<<'\n';
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 135252 KB Output is correct
2 Correct 25 ms 135252 KB Output is correct
3 Correct 25 ms 135256 KB Output is correct
4 Correct 31 ms 135248 KB Output is correct
5 Correct 24 ms 135252 KB Output is correct
6 Correct 27 ms 135296 KB Output is correct
7 Correct 27 ms 135332 KB Output is correct
8 Correct 24 ms 135148 KB Output is correct
9 Correct 24 ms 135332 KB Output is correct
10 Correct 24 ms 135260 KB Output is correct
11 Correct 26 ms 135220 KB Output is correct
12 Correct 27 ms 135200 KB Output is correct
13 Correct 23 ms 135260 KB Output is correct
14 Correct 24 ms 135132 KB Output is correct
15 Correct 25 ms 135252 KB Output is correct
16 Correct 24 ms 135332 KB Output is correct
17 Correct 26 ms 135260 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 135252 KB Output is correct
2 Correct 25 ms 135252 KB Output is correct
3 Correct 25 ms 135256 KB Output is correct
4 Correct 31 ms 135248 KB Output is correct
5 Correct 24 ms 135252 KB Output is correct
6 Correct 27 ms 135296 KB Output is correct
7 Correct 27 ms 135332 KB Output is correct
8 Correct 24 ms 135148 KB Output is correct
9 Correct 24 ms 135332 KB Output is correct
10 Correct 24 ms 135260 KB Output is correct
11 Correct 26 ms 135220 KB Output is correct
12 Correct 27 ms 135200 KB Output is correct
13 Correct 23 ms 135260 KB Output is correct
14 Correct 24 ms 135132 KB Output is correct
15 Correct 25 ms 135252 KB Output is correct
16 Correct 24 ms 135332 KB Output is correct
17 Correct 26 ms 135260 KB Output is correct
18 Correct 25 ms 135180 KB Output is correct
19 Correct 25 ms 135160 KB Output is correct
20 Correct 30 ms 135280 KB Output is correct
21 Correct 25 ms 135248 KB Output is correct
22 Correct 24 ms 135268 KB Output is correct
23 Correct 27 ms 135152 KB Output is correct
24 Correct 25 ms 135256 KB Output is correct
25 Correct 23 ms 135252 KB Output is correct
26 Correct 24 ms 135112 KB Output is correct
27 Correct 24 ms 135332 KB Output is correct
28 Correct 26 ms 135260 KB Output is correct
29 Correct 26 ms 135260 KB Output is correct
30 Correct 26 ms 135260 KB Output is correct
31 Correct 24 ms 135084 KB Output is correct
32 Correct 25 ms 135256 KB Output is correct
33 Correct 24 ms 135148 KB Output is correct
34 Correct 25 ms 135260 KB Output is correct
35 Correct 24 ms 135252 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 135252 KB Output is correct
2 Correct 25 ms 135252 KB Output is correct
3 Correct 25 ms 135256 KB Output is correct
4 Correct 31 ms 135248 KB Output is correct
5 Correct 24 ms 135252 KB Output is correct
6 Correct 27 ms 135296 KB Output is correct
7 Correct 27 ms 135332 KB Output is correct
8 Correct 24 ms 135148 KB Output is correct
9 Correct 24 ms 135332 KB Output is correct
10 Correct 24 ms 135260 KB Output is correct
11 Correct 26 ms 135220 KB Output is correct
12 Correct 27 ms 135200 KB Output is correct
13 Correct 23 ms 135260 KB Output is correct
14 Correct 24 ms 135132 KB Output is correct
15 Correct 25 ms 135252 KB Output is correct
16 Correct 24 ms 135332 KB Output is correct
17 Correct 26 ms 135260 KB Output is correct
18 Correct 56 ms 135316 KB Output is correct
19 Correct 40 ms 135268 KB Output is correct
20 Correct 30 ms 135260 KB Output is correct
21 Correct 40 ms 135320 KB Output is correct
22 Correct 48 ms 135368 KB Output is correct
23 Correct 28 ms 135260 KB Output is correct
24 Correct 34 ms 135252 KB Output is correct
25 Correct 30 ms 135236 KB Output is correct
26 Correct 28 ms 135156 KB Output is correct
27 Correct 29 ms 135100 KB Output is correct
28 Correct 28 ms 135276 KB Output is correct
29 Correct 30 ms 135252 KB Output is correct
30 Correct 28 ms 135264 KB Output is correct
31 Correct 29 ms 135116 KB Output is correct
32 Correct 27 ms 135204 KB Output is correct
33 Correct 31 ms 135260 KB Output is correct
34 Correct 31 ms 135148 KB Output is correct
35 Correct 28 ms 135140 KB Output is correct
36 Correct 30 ms 135260 KB Output is correct
37 Correct 29 ms 135264 KB Output is correct
38 Correct 32 ms 135340 KB Output is correct
39 Correct 29 ms 135268 KB Output is correct
40 Correct 27 ms 135272 KB Output is correct
41 Correct 58 ms 135296 KB Output is correct
42 Correct 48 ms 135260 KB Output is correct
43 Correct 67 ms 135316 KB Output is correct
44 Correct 43 ms 135092 KB Output is correct
45 Correct 58 ms 135264 KB Output is correct
46 Correct 44 ms 135252 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 135252 KB Output is correct
2 Correct 25 ms 135252 KB Output is correct
3 Correct 25 ms 135256 KB Output is correct
4 Correct 31 ms 135248 KB Output is correct
5 Correct 24 ms 135252 KB Output is correct
6 Correct 27 ms 135296 KB Output is correct
7 Correct 27 ms 135332 KB Output is correct
8 Correct 24 ms 135148 KB Output is correct
9 Correct 24 ms 135332 KB Output is correct
10 Correct 24 ms 135260 KB Output is correct
11 Correct 26 ms 135220 KB Output is correct
12 Correct 27 ms 135200 KB Output is correct
13 Correct 23 ms 135260 KB Output is correct
14 Correct 24 ms 135132 KB Output is correct
15 Correct 25 ms 135252 KB Output is correct
16 Correct 24 ms 135332 KB Output is correct
17 Correct 26 ms 135260 KB Output is correct
18 Correct 25 ms 135180 KB Output is correct
19 Correct 25 ms 135160 KB Output is correct
20 Correct 30 ms 135280 KB Output is correct
21 Correct 25 ms 135248 KB Output is correct
22 Correct 24 ms 135268 KB Output is correct
23 Correct 27 ms 135152 KB Output is correct
24 Correct 25 ms 135256 KB Output is correct
25 Correct 23 ms 135252 KB Output is correct
26 Correct 24 ms 135112 KB Output is correct
27 Correct 24 ms 135332 KB Output is correct
28 Correct 26 ms 135260 KB Output is correct
29 Correct 26 ms 135260 KB Output is correct
30 Correct 26 ms 135260 KB Output is correct
31 Correct 24 ms 135084 KB Output is correct
32 Correct 25 ms 135256 KB Output is correct
33 Correct 24 ms 135148 KB Output is correct
34 Correct 25 ms 135260 KB Output is correct
35 Correct 24 ms 135252 KB Output is correct
36 Correct 56 ms 135316 KB Output is correct
37 Correct 40 ms 135268 KB Output is correct
38 Correct 30 ms 135260 KB Output is correct
39 Correct 40 ms 135320 KB Output is correct
40 Correct 48 ms 135368 KB Output is correct
41 Correct 28 ms 135260 KB Output is correct
42 Correct 34 ms 135252 KB Output is correct
43 Correct 30 ms 135236 KB Output is correct
44 Correct 28 ms 135156 KB Output is correct
45 Correct 29 ms 135100 KB Output is correct
46 Correct 28 ms 135276 KB Output is correct
47 Correct 30 ms 135252 KB Output is correct
48 Correct 28 ms 135264 KB Output is correct
49 Correct 29 ms 135116 KB Output is correct
50 Correct 27 ms 135204 KB Output is correct
51 Correct 31 ms 135260 KB Output is correct
52 Correct 31 ms 135148 KB Output is correct
53 Correct 28 ms 135140 KB Output is correct
54 Correct 30 ms 135260 KB Output is correct
55 Correct 29 ms 135264 KB Output is correct
56 Correct 32 ms 135340 KB Output is correct
57 Correct 29 ms 135268 KB Output is correct
58 Correct 27 ms 135272 KB Output is correct
59 Correct 58 ms 135296 KB Output is correct
60 Correct 48 ms 135260 KB Output is correct
61 Correct 67 ms 135316 KB Output is correct
62 Correct 43 ms 135092 KB Output is correct
63 Correct 58 ms 135264 KB Output is correct
64 Correct 44 ms 135252 KB Output is correct
65 Correct 55 ms 135320 KB Output is correct
66 Correct 54 ms 135192 KB Output is correct
67 Correct 52 ms 135160 KB Output is correct
68 Correct 46 ms 135220 KB Output is correct
69 Correct 61 ms 135108 KB Output is correct
70 Correct 53 ms 135332 KB Output is correct
71 Correct 59 ms 135320 KB Output is correct
72 Correct 56 ms 135316 KB Output is correct
73 Correct 54 ms 135144 KB Output is correct
74 Correct 53 ms 135312 KB Output is correct
75 Correct 58 ms 135312 KB Output is correct
76 Correct 60 ms 135316 KB Output is correct
77 Correct 62 ms 135260 KB Output is correct
78 Correct 50 ms 135272 KB Output is correct
79 Correct 52 ms 135336 KB Output is correct
80 Correct 58 ms 135320 KB Output is correct
81 Correct 51 ms 135260 KB Output is correct
82 Correct 54 ms 135216 KB Output is correct
83 Correct 64 ms 135108 KB Output is correct
84 Correct 52 ms 135316 KB Output is correct
85 Correct 62 ms 135312 KB Output is correct
86 Correct 59 ms 135260 KB Output is correct
87 Correct 59 ms 135184 KB Output is correct
88 Correct 61 ms 135256 KB Output is correct
89 Correct 68 ms 135108 KB Output is correct
90 Correct 58 ms 135316 KB Output is correct
91 Correct 71 ms 135248 KB Output is correct
92 Correct 65 ms 135256 KB Output is correct
93 Correct 63 ms 135316 KB Output is correct