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Submission #972567

# Submission time Handle Problem Language Result Execution time Memory
972567 2024-04-30T15:53:31 Z happy_node Copy and Paste 3 (JOI22_copypaste3) C++17
57 / 100
 3000 ms 74952 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

const int MX=2505;

int N, A, B, C;
string s;
ll dp[MX][MX];
ll ndp[MX];

const int P=1e9+93, mod=2'147'483'647;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

ll hsh[MX][MX], pw[MX], key[MX];

bool ok(int a, int b, int l, int r) {
	if(l<=b) return false;
	return hsh[a][b]==hsh[l][r];
}

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

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

	pw[0]=1;
	for(int i=1;i<MX;i++) pw[i]=pw[i-1]*P%mod;

	cin>>N;
	cin>>s;
	cin>>A>>B>>C;

	s='#'+s;

	for(int c=0;c<26;c++) key[c]=rng()%mod;

	for(int l=1;l<=N;l++) {
		for(int r=l;r<=N;r++) {
			int p=r-l+1;
			hsh[l][r]=hsh[l][r-1]+pw[p]*(key[s[r]-'a'])%mod;
			hsh[l][r]%=mod;
		}
	}

	for(int l=N;l>0;l--) {
		for(int r=l;r<=N;r++) {
			dp[l][r]=min(dp[l][r],dp[l][r-1]+A);

			for(int k=r;k<=N;k++) ndp[k]=2e18;
			
			int len=r-l+1;
			ndp[r]=min(dp[l][r]+B+C,dp[l][r]+B+dp[l][r]);

			for(int k=r+1;k<=N;k++) {
				if(ok(l,r,k-len+1,k)) ndp[k]=min(ndp[k],ndp[k-len]+C);
				ndp[k]=min(ndp[k],ndp[k-1]+A);
			}
			for(int k=r+1;k<=N;k++) {
				dp[l][k]=min(dp[l][k],ndp[k]);
			}

			dp[l-1][r]=min(dp[l-1][r],dp[l][r]+A);
		}
	}

	cout<<dp[1][N]<<'\n';

}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 50008 KB Output is correct
2 Correct 7 ms 50012 KB Output is correct
3 Correct 7 ms 50012 KB Output is correct
4 Correct 7 ms 50104 KB Output is correct
5 Correct 8 ms 50012 KB Output is correct
6 Correct 8 ms 50008 KB Output is correct
7 Correct 7 ms 50012 KB Output is correct
8 Correct 7 ms 50012 KB Output is correct
9 Correct 7 ms 50012 KB Output is correct
10 Correct 7 ms 49892 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 50012 KB Output is correct
2 Correct 7 ms 50012 KB Output is correct
3 Execution timed out 3097 ms 74952 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 50008 KB Output is correct
2 Correct 7 ms 50012 KB Output is correct
3 Correct 7 ms 50012 KB Output is correct
4 Correct 7 ms 50104 KB Output is correct
5 Correct 8 ms 50012 KB Output is correct
6 Correct 8 ms 50008 KB Output is correct
7 Correct 7 ms 50012 KB Output is correct
8 Correct 7 ms 50012 KB Output is correct
9 Correct 7 ms 50012 KB Output is correct
10 Correct 7 ms 49892 KB Output is correct
11 Correct 7 ms 50012 KB Output is correct
12 Correct 7 ms 50012 KB Output is correct
13 Correct 7 ms 50012 KB Output is correct
14 Correct 7 ms 50096 KB Output is correct
15 Correct 7 ms 50008 KB Output is correct
16 Correct 7 ms 50140 KB Output is correct
17 Correct 7 ms 50012 KB Output is correct
18 Correct 7 ms 49896 KB Output is correct
19 Correct 8 ms 50012 KB Output is correct
20 Correct 7 ms 49912 KB Output is correct
21 Correct 7 ms 50008 KB Output is correct
22 Correct 7 ms 50012 KB Output is correct
23 Correct 7 ms 50012 KB Output is correct
24 Correct 7 ms 50012 KB Output is correct
25 Correct 7 ms 50012 KB Output is correct
26 Correct 7 ms 50012 KB Output is correct
27 Correct 6 ms 50012 KB Output is correct
28 Correct 7 ms 50188 KB Output is correct
29 Correct 11 ms 50012 KB Output is correct
30 Correct 7 ms 50264 KB Output is correct
31 Correct 7 ms 50012 KB Output is correct
32 Correct 7 ms 50012 KB Output is correct
33 Correct 8 ms 50012 KB Output is correct
34 Correct 7 ms 50012 KB Output is correct
35 Correct 7 ms 50012 KB Output is correct
36 Correct 7 ms 50012 KB Output is correct
37 Correct 7 ms 50012 KB Output is correct
38 Correct 7 ms 50012 KB Output is correct
39 Correct 7 ms 50012 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 50008 KB Output is correct
2 Correct 7 ms 50012 KB Output is correct
3 Correct 7 ms 50012 KB Output is correct
4 Correct 7 ms 50104 KB Output is correct
5 Correct 8 ms 50012 KB Output is correct
6 Correct 8 ms 50008 KB Output is correct
7 Correct 7 ms 50012 KB Output is correct
8 Correct 7 ms 50012 KB Output is correct
9 Correct 7 ms 50012 KB Output is correct
10 Correct 7 ms 49892 KB Output is correct
11 Correct 7 ms 50012 KB Output is correct
12 Correct 7 ms 50012 KB Output is correct
13 Correct 7 ms 50012 KB Output is correct
14 Correct 7 ms 50096 KB Output is correct
15 Correct 7 ms 50008 KB Output is correct
16 Correct 7 ms 50140 KB Output is correct
17 Correct 7 ms 50012 KB Output is correct
18 Correct 7 ms 49896 KB Output is correct
19 Correct 8 ms 50012 KB Output is correct
20 Correct 7 ms 49912 KB Output is correct
21 Correct 7 ms 50008 KB Output is correct
22 Correct 7 ms 50012 KB Output is correct
23 Correct 7 ms 50012 KB Output is correct
24 Correct 7 ms 50012 KB Output is correct
25 Correct 7 ms 50012 KB Output is correct
26 Correct 7 ms 50012 KB Output is correct
27 Correct 6 ms 50012 KB Output is correct
28 Correct 7 ms 50188 KB Output is correct
29 Correct 11 ms 50012 KB Output is correct
30 Correct 7 ms 50264 KB Output is correct
31 Correct 7 ms 50012 KB Output is correct
32 Correct 7 ms 50012 KB Output is correct
33 Correct 8 ms 50012 KB Output is correct
34 Correct 7 ms 50012 KB Output is correct
35 Correct 7 ms 50012 KB Output is correct
36 Correct 7 ms 50012 KB Output is correct
37 Correct 7 ms 50012 KB Output is correct
38 Correct 7 ms 50012 KB Output is correct
39 Correct 7 ms 50012 KB Output is correct
40 Correct 7 ms 50264 KB Output is correct
41 Correct 12 ms 50976 KB Output is correct
42 Correct 11 ms 51036 KB Output is correct
43 Correct 11 ms 51040 KB Output is correct
44 Correct 11 ms 51072 KB Output is correct
45 Correct 11 ms 51036 KB Output is correct
46 Correct 12 ms 51036 KB Output is correct
47 Correct 11 ms 51036 KB Output is correct
48 Correct 11 ms 51036 KB Output is correct
49 Correct 11 ms 50992 KB Output is correct
50 Correct 11 ms 51036 KB Output is correct
51 Correct 11 ms 51036 KB Output is correct
52 Correct 11 ms 51036 KB Output is correct
53 Correct 12 ms 51036 KB Output is correct

Subtask #5
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 50008 KB Output is correct
2 Correct 7 ms 50012 KB Output is correct
3 Correct 7 ms 50012 KB Output is correct
4 Correct 7 ms 50104 KB Output is correct
5 Correct 8 ms 50012 KB Output is correct
6 Correct 8 ms 50008 KB Output is correct
7 Correct 7 ms 50012 KB Output is correct
8 Correct 7 ms 50012 KB Output is correct
9 Correct 7 ms 50012 KB Output is correct
10 Correct 7 ms 49892 KB Output is correct
11 Correct 7 ms 50012 KB Output is correct
12 Correct 7 ms 50012 KB Output is correct
13 Correct 7 ms 50012 KB Output is correct
14 Correct 7 ms 50096 KB Output is correct
15 Correct 7 ms 50008 KB Output is correct
16 Correct 7 ms 50140 KB Output is correct
17 Correct 7 ms 50012 KB Output is correct
18 Correct 7 ms 49896 KB Output is correct
19 Correct 8 ms 50012 KB Output is correct
20 Correct 7 ms 49912 KB Output is correct
21 Correct 7 ms 50008 KB Output is correct
22 Correct 7 ms 50012 KB Output is correct
23 Correct 7 ms 50012 KB Output is correct
24 Correct 7 ms 50012 KB Output is correct
25 Correct 7 ms 50012 KB Output is correct
26 Correct 7 ms 50012 KB Output is correct
27 Correct 6 ms 50012 KB Output is correct
28 Correct 7 ms 50188 KB Output is correct
29 Correct 11 ms 50012 KB Output is correct
30 Correct 7 ms 50264 KB Output is correct
31 Correct 7 ms 50012 KB Output is correct
32 Correct 7 ms 50012 KB Output is correct
33 Correct 8 ms 50012 KB Output is correct
34 Correct 7 ms 50012 KB Output is correct
35 Correct 7 ms 50012 KB Output is correct
36 Correct 7 ms 50012 KB Output is correct
37 Correct 7 ms 50012 KB Output is correct
38 Correct 7 ms 50012 KB Output is correct
39 Correct 7 ms 50012 KB Output is correct
40 Correct 7 ms 50264 KB Output is correct
41 Correct 12 ms 50976 KB Output is correct
42 Correct 11 ms 51036 KB Output is correct
43 Correct 11 ms 51040 KB Output is correct
44 Correct 11 ms 51072 KB Output is correct
45 Correct 11 ms 51036 KB Output is correct
46 Correct 12 ms 51036 KB Output is correct
47 Correct 11 ms 51036 KB Output is correct
48 Correct 11 ms 51036 KB Output is correct
49 Correct 11 ms 50992 KB Output is correct
50 Correct 11 ms 51036 KB Output is correct
51 Correct 11 ms 51036 KB Output is correct
52 Correct 11 ms 51036 KB Output is correct
53 Correct 12 ms 51036 KB Output is correct
54 Correct 54 ms 52572 KB Output is correct
55 Correct 441 ms 59052 KB Output is correct
56 Correct 423 ms 59216 KB Output is correct
57 Correct 426 ms 59060 KB Output is correct
58 Correct 421 ms 59060 KB Output is correct
59 Correct 411 ms 59052 KB Output is correct
60 Correct 410 ms 59052 KB Output is correct
61 Correct 427 ms 59052 KB Output is correct
62 Correct 458 ms 59060 KB Output is correct
63 Correct 420 ms 59152 KB Output is correct
64 Correct 464 ms 59052 KB Output is correct
65 Correct 431 ms 58968 KB Output is correct
66 Correct 411 ms 59052 KB Output is correct
67 Correct 400 ms 58972 KB Output is correct

Subtask #6
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 50008 KB Output is correct
2 Correct 7 ms 50012 KB Output is correct
3 Correct 7 ms 50012 KB Output is correct
4 Correct 7 ms 50104 KB Output is correct
5 Correct 8 ms 50012 KB Output is correct
6 Correct 8 ms 50008 KB Output is correct
7 Correct 7 ms 50012 KB Output is correct
8 Correct 7 ms 50012 KB Output is correct
9 Correct 7 ms 50012 KB Output is correct
10 Correct 7 ms 49892 KB Output is correct
11 Correct 7 ms 50012 KB Output is correct
12 Correct 7 ms 50012 KB Output is correct
13 Execution timed out 3097 ms 74952 KB Time limit exceeded
14 Halted 0 ms 0 KB -