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Submission #972566

# Submission time Handle Problem Language Result Execution time Memory
972566 2024-04-30T15:52:37 Z happy_node Copy and Paste 3 (JOI22_copypaste3) C++17
57 / 100
 3000 ms 75096 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=0;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 17 ms 50004 KB Output is correct
2 Correct 10 ms 50264 KB Output is correct
3 Correct 9 ms 50012 KB Output is correct
4 Correct 8 ms 50012 KB Output is correct
5 Correct 7 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 8 ms 50096 KB Output is correct
9 Correct 8 ms 49896 KB Output is correct
10 Correct 8 ms 50008 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 3013 ms 75096 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 50004 KB Output is correct
2 Correct 10 ms 50264 KB Output is correct
3 Correct 9 ms 50012 KB Output is correct
4 Correct 8 ms 50012 KB Output is correct
5 Correct 7 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 8 ms 50096 KB Output is correct
9 Correct 8 ms 49896 KB Output is correct
10 Correct 8 ms 50008 KB Output is correct
11 Correct 8 ms 50008 KB Output is correct
12 Correct 7 ms 50012 KB Output is correct
13 Correct 8 ms 50012 KB Output is correct
14 Correct 7 ms 50008 KB Output is correct
15 Correct 7 ms 50012 KB Output is correct
16 Correct 6 ms 49956 KB Output is correct
17 Correct 7 ms 50008 KB Output is correct
18 Correct 7 ms 50012 KB Output is correct
19 Correct 8 ms 50012 KB Output is correct
20 Correct 7 ms 50012 KB Output is correct
21 Correct 7 ms 50012 KB Output is correct
22 Correct 7 ms 50160 KB Output is correct
23 Correct 8 ms 50136 KB Output is correct
24 Correct 8 ms 50200 KB Output is correct
25 Correct 7 ms 50012 KB Output is correct
26 Correct 7 ms 50012 KB Output is correct
27 Correct 7 ms 50012 KB Output is correct
28 Correct 7 ms 50172 KB Output is correct
29 Correct 7 ms 50012 KB Output is correct
30 Correct 7 ms 50012 KB Output is correct
31 Correct 7 ms 50012 KB Output is correct
32 Correct 7 ms 50136 KB Output is correct
33 Correct 7 ms 50132 KB Output is correct
34 Correct 6 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 50160 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 17 ms 50004 KB Output is correct
2 Correct 10 ms 50264 KB Output is correct
3 Correct 9 ms 50012 KB Output is correct
4 Correct 8 ms 50012 KB Output is correct
5 Correct 7 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 8 ms 50096 KB Output is correct
9 Correct 8 ms 49896 KB Output is correct
10 Correct 8 ms 50008 KB Output is correct
11 Correct 8 ms 50008 KB Output is correct
12 Correct 7 ms 50012 KB Output is correct
13 Correct 8 ms 50012 KB Output is correct
14 Correct 7 ms 50008 KB Output is correct
15 Correct 7 ms 50012 KB Output is correct
16 Correct 6 ms 49956 KB Output is correct
17 Correct 7 ms 50008 KB Output is correct
18 Correct 7 ms 50012 KB Output is correct
19 Correct 8 ms 50012 KB Output is correct
20 Correct 7 ms 50012 KB Output is correct
21 Correct 7 ms 50012 KB Output is correct
22 Correct 7 ms 50160 KB Output is correct
23 Correct 8 ms 50136 KB Output is correct
24 Correct 8 ms 50200 KB Output is correct
25 Correct 7 ms 50012 KB Output is correct
26 Correct 7 ms 50012 KB Output is correct
27 Correct 7 ms 50012 KB Output is correct
28 Correct 7 ms 50172 KB Output is correct
29 Correct 7 ms 50012 KB Output is correct
30 Correct 7 ms 50012 KB Output is correct
31 Correct 7 ms 50012 KB Output is correct
32 Correct 7 ms 50136 KB Output is correct
33 Correct 7 ms 50132 KB Output is correct
34 Correct 6 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 50160 KB Output is correct
39 Correct 7 ms 50012 KB Output is correct
40 Correct 7 ms 50268 KB Output is correct
41 Correct 12 ms 51036 KB Output is correct
42 Correct 12 ms 51036 KB Output is correct
43 Correct 11 ms 51036 KB Output is correct
44 Correct 11 ms 50864 KB Output is correct
45 Correct 12 ms 51036 KB Output is correct
46 Correct 11 ms 51032 KB Output is correct
47 Correct 11 ms 51036 KB Output is correct
48 Correct 14 ms 50868 KB Output is correct
49 Correct 11 ms 50980 KB Output is correct
50 Correct 11 ms 51036 KB Output is correct
51 Correct 12 ms 50900 KB Output is correct
52 Correct 13 ms 51036 KB Output is correct
53 Correct 11 ms 51036 KB Output is correct

Subtask #5
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 50004 KB Output is correct
2 Correct 10 ms 50264 KB Output is correct
3 Correct 9 ms 50012 KB Output is correct
4 Correct 8 ms 50012 KB Output is correct
5 Correct 7 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 8 ms 50096 KB Output is correct
9 Correct 8 ms 49896 KB Output is correct
10 Correct 8 ms 50008 KB Output is correct
11 Correct 8 ms 50008 KB Output is correct
12 Correct 7 ms 50012 KB Output is correct
13 Correct 8 ms 50012 KB Output is correct
14 Correct 7 ms 50008 KB Output is correct
15 Correct 7 ms 50012 KB Output is correct
16 Correct 6 ms 49956 KB Output is correct
17 Correct 7 ms 50008 KB Output is correct
18 Correct 7 ms 50012 KB Output is correct
19 Correct 8 ms 50012 KB Output is correct
20 Correct 7 ms 50012 KB Output is correct
21 Correct 7 ms 50012 KB Output is correct
22 Correct 7 ms 50160 KB Output is correct
23 Correct 8 ms 50136 KB Output is correct
24 Correct 8 ms 50200 KB Output is correct
25 Correct 7 ms 50012 KB Output is correct
26 Correct 7 ms 50012 KB Output is correct
27 Correct 7 ms 50012 KB Output is correct
28 Correct 7 ms 50172 KB Output is correct
29 Correct 7 ms 50012 KB Output is correct
30 Correct 7 ms 50012 KB Output is correct
31 Correct 7 ms 50012 KB Output is correct
32 Correct 7 ms 50136 KB Output is correct
33 Correct 7 ms 50132 KB Output is correct
34 Correct 6 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 50160 KB Output is correct
39 Correct 7 ms 50012 KB Output is correct
40 Correct 7 ms 50268 KB Output is correct
41 Correct 12 ms 51036 KB Output is correct
42 Correct 12 ms 51036 KB Output is correct
43 Correct 11 ms 51036 KB Output is correct
44 Correct 11 ms 50864 KB Output is correct
45 Correct 12 ms 51036 KB Output is correct
46 Correct 11 ms 51032 KB Output is correct
47 Correct 11 ms 51036 KB Output is correct
48 Correct 14 ms 50868 KB Output is correct
49 Correct 11 ms 50980 KB Output is correct
50 Correct 11 ms 51036 KB Output is correct
51 Correct 12 ms 50900 KB Output is correct
52 Correct 13 ms 51036 KB Output is correct
53 Correct 11 ms 51036 KB Output is correct
54 Correct 59 ms 52572 KB Output is correct
55 Correct 804 ms 59060 KB Output is correct
56 Correct 517 ms 59060 KB Output is correct
57 Correct 513 ms 59060 KB Output is correct
58 Correct 509 ms 59056 KB Output is correct
59 Correct 515 ms 59224 KB Output is correct
60 Correct 607 ms 59064 KB Output is correct
61 Correct 506 ms 58864 KB Output is correct
62 Correct 533 ms 59068 KB Output is correct
63 Correct 523 ms 59060 KB Output is correct
64 Correct 520 ms 59056 KB Output is correct
65 Correct 540 ms 59064 KB Output is correct
66 Correct 525 ms 59220 KB Output is correct
67 Correct 523 ms 59068 KB Output is correct

Subtask #6
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 50004 KB Output is correct
2 Correct 10 ms 50264 KB Output is correct
3 Correct 9 ms 50012 KB Output is correct
4 Correct 8 ms 50012 KB Output is correct
5 Correct 7 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 8 ms 50096 KB Output is correct
9 Correct 8 ms 49896 KB Output is correct
10 Correct 8 ms 50008 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 3013 ms 75096 KB Time limit exceeded
14 Halted 0 ms 0 KB -