oj.uz

Submission #899048

# Submission time Handle Problem Language Result Execution time Memory
899048 2024-01-05T12:09:23 Z LucaIlie Copy and Paste 3 (JOI22_copypaste3) C++17
30 / 100
 794 ms 73336 KB 
#include <bits/stdc++.h>

using namespace std;

struct hashCode {
    int n, nrHashes;
    vector<int> mod;
    vector<vector<int>> p, hashPref;

    void init( string s, vector<int> vals, vector<int> _mod ) {
        n = s.size() - 1;
        nrHashes = vals.size();
        mod = _mod;

        p.resize( nrHashes );
        for ( int h = 0; h < nrHashes; h++ ) {
            p[h].resize( n + 1 );
            p[h][0] = 1;
            for ( int i = 1; i <= n; i++ ) {
                p[h][i] = (long long)p[h][i - 1] * vals[h] % mod[h];
            }
        }

        hashPref.resize( nrHashes );
        for ( int h = 0; h < nrHashes; h++ ) {
            hashPref[h].resize( n + 1 );
            hashPref[h][0] = 1;
            for ( int i = 1; i <= n; i++ )
                hashPref[h][i] = (hashPref[h][i - 1] + (long long)p[h][i - 1] * (s[i] - 'a')) % mod[h];
        }
    }

    vector<int> query( int l, int r ) {
        vector<int> ans;
        for ( int h = 0; h < nrHashes; h++ )
            ans.push_back( (long long)(hashPref[h][r] - hashPref[h][l - 1] + mod[h]) % mod[h] * p[h][n - l] % mod[h] );
        return ans;
    }
} sir;

const int MAX_N = 2500;
int z[2 * MAX_N + 2], nextPos[MAX_N + 1][MAX_N + 1];
long long dp[MAX_N + 1][MAX_N + 1];

int main() {
    int n, a, b, c;
    string s;

    cin >> n >> s >> a >> b >> c;
    s = "#" + s;

    for ( int l = 1; l <= n; l++ ) {
        for ( int r = l; r <= n; r++ )
            dp[l][r] = (long long)a * (r - l + 1) + b;
    }

    int mod1 = (1e9 + 7), mod2 = (1e9 + 9);
    sir.init( s, { 29, 31 }, { mod1, mod2 } );

    string t = s;
    for ( int l = n; l >= 1; l-- ) {
        t = s[l] + t;

        int ls = -1, rs = -1;
        for ( int i = 1; i < t.size(); i++ ) {
            if ( i > rs ) {
                ls = rs = i;
                while ( rs < t.size() && t[rs] == t[rs - ls] )
                    rs++;
                z[i] = rs - ls;
                rs--;
            } else {
                int k = i - ls;

                if ( z[k] < rs - ls + 1 )
                    z[i] = z[k];
                else {
                    z[i] = rs - ls + 1;

                    ls = i;
                    while ( rs < t.size() && t[rs] == t[rs - ls] )
                        rs++;
                    z[i] = rs - ls;
                    rs--;
                }
            }
        }

        for ( int r = l; r <= n; r++ ) {
            int i = n - l + r + 2;
            while ( i < t.size() && z[i] < r - l + 1 )
                i++;
            nextPos[l][r] = i - (n - l + 1);
            //printf( "%d %d: %d\n", l, r, nextPos[l][r] );
        }
    }

    for ( int len = 1; len <= n; len++ ) {
        for ( int l = 1; l <= n - len + 1; l++ ) {
            int r = l + len - 1;

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

            long long cost = dp[l][r] + b + c;
            int k = l;
            while ( nextPos[k][k + len - 1] <= n ) {
                cost += (long long)a * (nextPos[k][k + len - 1] - (k + len)) + c;
                k = nextPos[k][k + len - 1];
                dp[l][k + len - 1] = min( dp[l][k + len - 1], cost );
            }
        }
    }

    cout << dp[1][n] - b << "\n";

    return 0;
}

Compilation message

copypaste3.cpp: In function 'int main()':
copypaste3.cpp:65:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |         for ( int i = 1; i < t.size(); i++ ) {
      |                          ~~^~~~~~~~~~
copypaste3.cpp:68:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |                 while ( rs < t.size() && t[rs] == t[rs - ls] )
      |                         ~~~^~~~~~~~~~
copypaste3.cpp:81:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |                     while ( rs < t.size() && t[rs] == t[rs - ls] )
      |                             ~~~^~~~~~~~~~
copypaste3.cpp:91:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |             while ( i < t.size() && z[i] < r - l + 1 )
      |                     ~~^~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4696 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 330 ms 58324 KB Output is correct
4 Correct 394 ms 62036 KB Output is correct
5 Correct 522 ms 66308 KB Output is correct
6 Correct 628 ms 70480 KB Output is correct
7 Correct 793 ms 73336 KB Output is correct
8 Correct 794 ms 73304 KB Output is correct
9 Correct 787 ms 73044 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2488 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 4440 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 1 ms 4540 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4440 KB Output is correct
23 Correct 1 ms 4640 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4440 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4532 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2392 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 4440 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 1 ms 4540 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4440 KB Output is correct
23 Correct 1 ms 4640 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4440 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4532 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2392 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 6488 KB Output is correct
41 Correct 2 ms 8536 KB Output is correct
42 Correct 3 ms 8540 KB Output is correct
43 Correct 2 ms 8540 KB Output is correct
44 Correct 2 ms 8540 KB Output is correct
45 Correct 2 ms 8712 KB Output is correct
46 Correct 2 ms 8540 KB Output is correct
47 Correct 2 ms 8704 KB Output is correct
48 Correct 2 ms 8540 KB Output is correct
49 Correct 2 ms 8540 KB Output is correct
50 Correct 2 ms 8700 KB Output is correct
51 Correct 2 ms 8540 KB Output is correct
52 Correct 2 ms 8536 KB Output is correct
53 Correct 2 ms 8540 KB Output is correct

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 4440 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 1 ms 4540 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4440 KB Output is correct
23 Correct 1 ms 4640 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4440 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4532 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2392 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 6488 KB Output is correct
41 Correct 2 ms 8536 KB Output is correct
42 Correct 3 ms 8540 KB Output is correct
43 Correct 2 ms 8540 KB Output is correct
44 Correct 2 ms 8540 KB Output is correct
45 Correct 2 ms 8712 KB Output is correct
46 Correct 2 ms 8540 KB Output is correct
47 Correct 2 ms 8704 KB Output is correct
48 Correct 2 ms 8540 KB Output is correct
49 Correct 2 ms 8540 KB Output is correct
50 Correct 2 ms 8700 KB Output is correct
51 Correct 2 ms 8540 KB Output is correct
52 Correct 2 ms 8536 KB Output is correct
53 Correct 2 ms 8540 KB Output is correct
54 Correct 14 ms 16732 KB Output is correct
55 Correct 61 ms 33384 KB Output is correct
56 Incorrect 120 ms 33380 KB Output isn't correct
57 Halted 0 ms 0 KB -

Subtask #6
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 4696 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 330 ms 58324 KB Output is correct
14 Correct 394 ms 62036 KB Output is correct
15 Correct 522 ms 66308 KB Output is correct
16 Correct 628 ms 70480 KB Output is correct
17 Correct 793 ms 73336 KB Output is correct
18 Correct 794 ms 73304 KB Output is correct
19 Correct 787 ms 73044 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2488 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 4440 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 0 ms 2396 KB Output is correct
36 Correct 1 ms 4540 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4440 KB Output is correct
40 Correct 1 ms 4640 KB Output is correct
41 Correct 1 ms 4444 KB Output is correct
42 Correct 1 ms 4440 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 1 ms 4444 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 4532 KB Output is correct
50 Correct 1 ms 4444 KB Output is correct
51 Correct 1 ms 2396 KB Output is correct
52 Correct 1 ms 2396 KB Output is correct
53 Correct 1 ms 2392 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 1 ms 4444 KB Output is correct
56 Correct 1 ms 4444 KB Output is correct
57 Correct 1 ms 6488 KB Output is correct
58 Correct 2 ms 8536 KB Output is correct
59 Correct 3 ms 8540 KB Output is correct
60 Correct 2 ms 8540 KB Output is correct
61 Correct 2 ms 8540 KB Output is correct
62 Correct 2 ms 8712 KB Output is correct
63 Correct 2 ms 8540 KB Output is correct
64 Correct 2 ms 8704 KB Output is correct
65 Correct 2 ms 8540 KB Output is correct
66 Correct 2 ms 8540 KB Output is correct
67 Correct 2 ms 8700 KB Output is correct
68 Correct 2 ms 8540 KB Output is correct
69 Correct 2 ms 8536 KB Output is correct
70 Correct 2 ms 8540 KB Output is correct
71 Correct 14 ms 16732 KB Output is correct
72 Correct 61 ms 33384 KB Output is correct
73 Incorrect 120 ms 33380 KB Output isn't correct
74 Halted 0 ms 0 KB -