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Submission #574125

# Submission time Handle Problem Language Result Execution time Memory
574125 2022-06-07T23:57:37 Z chonka Copy and Paste 3 (JOI22_copypaste3) C++17
20 / 100
 1212 ms 292956 KB 
#include<bits/stdc++.h>
using namespace std ;
typedef long long ll ;
const int MAXN = 2507 ;
const int BASE = 27 ;

ll MOD[ 2 ] = { 1000000007 , 998244353 } ;

int n ;
string a ;
ll costA , costB , costC ;

struct hsh {
    int l , r ;
    ll val[ 2 ] ;
    void advance ( int nw ) {
        for ( auto i : { 0 , 1 } ) {
            val[ i ] = ( val[ i ] * BASE + nw ) % MOD[ i ] ;
        }
    }
};

hsh aux[ MAXN ][ MAXN ] ;
vector < hsh > srt ;
int eq_class[ MAXN ][ MAXN ] ;
vector < pair < int , int > > class_list[ MAXN ] ;

pair < int , int > nxt[ MAXN ][ MAXN ] ;
ll dp[ MAXN ][ MAXN ] ;

void input ( ) {
    cin >> n >> a ;
    cin >> costA >> costB >> costC ;
    for ( int i = 1 ; i <= n ; ++ i ) {
        for ( int j = i ; j <= n ; ++ j ) {
            aux[ i ][ j ] = aux[ i ][ j - 1 ] ;
            aux[ i ][ j ].l = i , aux[ i ][ j ].r = j ;
            aux[ i ][ j ].advance ( a[ j - 1 ] - 'a' + 1 ) ;
            srt.push_back ( aux[ i ][ j ] ) ;
        }
    }
    auto cmp = [ & ] ( hsh p1 , hsh p2 ) {
        for ( auto i : { 0 , 1 } ) {
            if ( p1.val[ i ] != p2.val[ i ] ) {
                return ( p1.val[ i ] < p2.val[ i ] ) ;
            }
        }
        return false ;
    };
    sort ( srt.begin ( ) , srt.end ( ) , cmp ) ;
    int sz = srt.size ( ) ;
    eq_class[ srt[ 0 ].l ][ srt[ 0 ].r ] = 1 ;
    int tp = 1 ;
    for ( int i = 1 ; i < sz ; ++ i ) {
        if ( srt[ i ].val[ 0 ] == srt[ i - 1 ].val[ 0 ] && srt[ i ].val[ 1 ] == srt[ i - 1 ].val[ 1 ] ) {
            eq_class[ srt[ i ].l ][ srt[ i ].r ] = tp ;
        }
        else {
            eq_class[ srt[ i ].l ][ srt[ i ].r ] = ++ tp ;
        }
    }
    for ( int i = 1 ; i <= n + 2 ; ++ i ) {
        for ( int j = i ; j <= n + 2 ; ++ j ) {
            class_list[ eq_class[ i ][ j ] ].push_back ( { i , j } ) ;
            dp[ i ][ j ] = 1e15 ;
        }
    }
    for ( int i = 1 ; i <= n + 2 ; ++ i ) {
        for ( int j = 0 ; j < i ; ++ j ) {
            dp[ i ][ j ] = costB ;
        }
    }
    for ( int wh = 1 ; wh <= tp ; ++ wh ) {
        int sz = class_list[ wh ].size ( ) ;
        int pos = 0 ;
        for ( int i = 0 ; i < sz ; ++ i ) {
            while ( pos < sz && class_list[ wh ][ i ].second >= class_list[ wh ][ pos ].first ) {
                ++ pos ;
            }
            if ( pos < sz ) {
                nxt[ class_list[ wh ][ i ].first ][ class_list[ wh ][ i ].second ] = class_list[ wh ][ pos ] ;
            }
            else {
                nxt[ class_list[ wh ][ i ].first ][ class_list[ wh ][ i ].second ] = { -1 , -1 } ;
            }
        }
    }
}

void solve ( ) {
    for ( int len = 0 ; len < n ; ++ len ) {
        for ( int i = 1 ; i + len <= n ; ++ i ) {
            int j = i + len ;
            dp[ i ][ j ] = min ( dp[ i ][ j ] , dp[ i + 1 ][ j ] + costA ) ;
            dp[ i ][ j ] = min ( dp[ i ][ j ] , dp[ i ][ j - 1 ] + costA ) ;
            pair < int , int > act ;
            act = { i , j } ;
            int coef = 1 ;
            while ( 1 ) {
                act = nxt[ act.first ][ act.second ] ;
                if ( act.first < 0 ) { break ; }
                ++ coef ;
                int lft = ( act.second - i + 1 ) - coef * ( j - i + 1 ) ;
                dp[ i ][ act.second ] = min ( dp[ i ][ act.second ] , dp[ i ][ j ] + coef * costC + lft * costA + costB ) ;
            }
        }
    }
    cout << dp[ 1 ][ n ] - costB << "\n" ;
}


int main ( ) {
    ios_base :: sync_with_stdio ( false ) ;
    cin.tie ( NULL ) ;
    int t ;
    /// cin >> t ;
    t = 1 ;
    while ( t -- ) {
        input ( ) ;
        solve ( ) ;
    }
    return 0 ;
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 400 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 597 ms 171436 KB Output is correct
4 Correct 672 ms 198004 KB Output is correct
5 Correct 831 ms 225676 KB Output is correct
6 Correct 983 ms 257468 KB Output is correct
7 Correct 1141 ms 292956 KB Output is correct
8 Correct 1212 ms 292956 KB Output is correct
9 Correct 1168 ms 292912 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 536 KB Output is correct
15 Correct 1 ms 528 KB Output is correct
16 Correct 1 ms 912 KB Output is correct
17 Correct 1 ms 340 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 400 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 596 KB Output is correct
12 Correct 0 ms 596 KB Output is correct
13 Correct 1 ms 724 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 724 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 852 KB Output is correct
22 Correct 1 ms 920 KB Output is correct
23 Correct 1 ms 852 KB Output is correct
24 Correct 1 ms 852 KB Output is correct
25 Correct 1 ms 916 KB Output is correct
26 Correct 1 ms 852 KB Output is correct
27 Correct 1 ms 852 KB Output is correct
28 Correct 1 ms 852 KB Output is correct
29 Correct 1 ms 852 KB Output is correct
30 Correct 1 ms 912 KB Output is correct
31 Correct 1 ms 916 KB Output is correct
32 Correct 1 ms 852 KB Output is correct
33 Correct 1 ms 852 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 540 KB Output is correct
38 Correct 1 ms 532 KB Output is correct
39 Correct 1 ms 912 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 400 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 596 KB Output is correct
12 Correct 0 ms 596 KB Output is correct
13 Correct 1 ms 724 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 724 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 852 KB Output is correct
22 Correct 1 ms 920 KB Output is correct
23 Correct 1 ms 852 KB Output is correct
24 Correct 1 ms 852 KB Output is correct
25 Correct 1 ms 916 KB Output is correct
26 Correct 1 ms 852 KB Output is correct
27 Correct 1 ms 852 KB Output is correct
28 Correct 1 ms 852 KB Output is correct
29 Correct 1 ms 852 KB Output is correct
30 Correct 1 ms 912 KB Output is correct
31 Correct 1 ms 916 KB Output is correct
32 Correct 1 ms 852 KB Output is correct
33 Correct 1 ms 852 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 540 KB Output is correct
38 Correct 1 ms 532 KB Output is correct
39 Correct 1 ms 912 KB Output is correct
40 Runtime error 8 ms 2516 KB Execution killed with signal 11
41 Halted 0 ms 0 KB -

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 400 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 596 KB Output is correct
12 Correct 0 ms 596 KB Output is correct
13 Correct 1 ms 724 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 724 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 852 KB Output is correct
22 Correct 1 ms 920 KB Output is correct
23 Correct 1 ms 852 KB Output is correct
24 Correct 1 ms 852 KB Output is correct
25 Correct 1 ms 916 KB Output is correct
26 Correct 1 ms 852 KB Output is correct
27 Correct 1 ms 852 KB Output is correct
28 Correct 1 ms 852 KB Output is correct
29 Correct 1 ms 852 KB Output is correct
30 Correct 1 ms 912 KB Output is correct
31 Correct 1 ms 916 KB Output is correct
32 Correct 1 ms 852 KB Output is correct
33 Correct 1 ms 852 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 540 KB Output is correct
38 Correct 1 ms 532 KB Output is correct
39 Correct 1 ms 912 KB Output is correct
40 Runtime error 8 ms 2516 KB Execution killed with signal 11
41 Halted 0 ms 0 KB -

Subtask #6
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 400 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 597 ms 171436 KB Output is correct
14 Correct 672 ms 198004 KB Output is correct
15 Correct 831 ms 225676 KB Output is correct
16 Correct 983 ms 257468 KB Output is correct
17 Correct 1141 ms 292956 KB Output is correct
18 Correct 1212 ms 292956 KB Output is correct
19 Correct 1168 ms 292912 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 536 KB Output is correct
25 Correct 1 ms 528 KB Output is correct
26 Correct 1 ms 912 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 596 KB Output is correct
29 Correct 0 ms 596 KB Output is correct
30 Correct 1 ms 724 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 724 KB Output is correct
33 Correct 1 ms 596 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 596 KB Output is correct
37 Correct 1 ms 468 KB Output is correct
38 Correct 1 ms 852 KB Output is correct
39 Correct 1 ms 920 KB Output is correct
40 Correct 1 ms 852 KB Output is correct
41 Correct 1 ms 852 KB Output is correct
42 Correct 1 ms 916 KB Output is correct
43 Correct 1 ms 852 KB Output is correct
44 Correct 1 ms 852 KB Output is correct
45 Correct 1 ms 852 KB Output is correct
46 Correct 1 ms 852 KB Output is correct
47 Correct 1 ms 912 KB Output is correct
48 Correct 1 ms 916 KB Output is correct
49 Correct 1 ms 852 KB Output is correct
50 Correct 1 ms 852 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 468 KB Output is correct
53 Correct 1 ms 468 KB Output is correct
54 Correct 1 ms 540 KB Output is correct
55 Correct 1 ms 532 KB Output is correct
56 Correct 1 ms 912 KB Output is correct
57 Runtime error 8 ms 2516 KB Execution killed with signal 11
58 Halted 0 ms 0 KB -