oj.uz

Submission #933788

# Submission time Handle Problem Language Result Execution time Memory
933788 2024-02-26T10:39:19 Z boris_mihov Copy and Paste 3 (JOI22_copypaste3) C++17
62 / 100
 1502 ms 432420 KB 
#include <algorithm>
#include <iostream>
#include <numeric>
#include <cassert>
#include <vector>
#include <map>

typedef long long llong;
const int MAXN = 2500 + 10;
const int ALPHABET = 26;
const int MOD = 998244353;
const int MOD2 = 1e9 + 7;
const int INF  = 1e9;

int n;
char s[MAXN];
int letter[MAXN][ALPHABET];
int fail[MAXN];

llong a, b, c;
int next[MAXN][MAXN];
llong dp[MAXN][MAXN];
llong cnt[MAXN][MAXN];
llong best[MAXN][MAXN];
std::vector <int> increase[MAXN][MAXN];
llong prefixHash[MAXN];
llong prefixHash2[MAXN];
llong base[MAXN];
llong base2[MAXN];

llong getHash(int l, int r)
{
    llong res = prefixHash[r] + MOD - ((prefixHash[l - 1] * base[r - l + 1]) % MOD);
    if (res >= MOD) res -= MOD;
    return res;
}

void solve()
{
    base[0] = 1;
    base2[0] = 1;
    for (int i = 1 ; i <= n ; ++i)
    {
        base[i] = (base[i - 1] * 27) % MOD;
        base2[i] = (base2[i - 1] * 27) % MOD2;
    }

    for (int i = 1 ; i <= n ; ++i)
    {
        prefixHash[i] = prefixHash[i - 1] * 27;
        prefixHash[i] += s[i] - 'a' + 1;
        prefixHash[i] %= MOD;
    }

    for (int len = 1 ; len <= n ; ++len)
    {
        std::map <int,int> map;
        for (int pos = n - len + 1 ; pos >= 1 ; --pos)
        {
            int r = pos + len - 1;
            next[pos][r] = map[getHash(pos, r)];
            if (r + len - 1 <= n)
            {
                map[getHash(r, r + len - 1)] = r;
            }
        } 
    }

    for (int l = 1 ; l <= n ; ++l)
    {
        for (int r = l ; r <= n ; ++r)
        {
            int left = l;
            int len = r - l;
            do
            {
                increase[l][left + len].push_back(r);
                left = next[left][left + len];
            } while (left != 0);
        }
    }

    for (int len = 1 ; len <= n ; ++len)
    {
        for (int l = 1 ; l + len - 1 <= n ; ++l)
        {
            int r = l + len - 1;
            best[l][r] = best[l][r - 1];
            for (const int &idx : increase[l][r])
            {
                cnt[l][idx]++;
                if (cnt[l][idx] > 1)
                {
                    best[l][r] = std::max(best[l][r], cnt[l][idx] * (idx - l + 1) * a - b - c * cnt[l][idx] - dp[l][idx]);
                }
            }

            dp[l][r] = a * (r - l + 1) - best[l][r];
            if (len > 1)
            {
                dp[l][r] = std::min(dp[l][r], dp[l + 1][r] + a);
                dp[l][r] = std::min(dp[l][r], dp[l][r - 1] + a);
            }
        }
    }

    std::cout << dp[1][n] << '\n';
}

void input()
{
    std::cin >> n;
    std::cin >> s + 1;
    std::cin >> a >> b >> c;

    // for (int i = 1 ; i <= n ; ++i)
    // {
    //     if (i % 3 == 1) assert(s[i] == 'n');
    //     if (i % 3 == 2) assert(s[i] == 'q');
    //     if (i % 3 == 0) assert(s[i] == 'v');
    // }
}

void fastIOI()
{
    std::ios_base :: sync_with_stdio(0);
    std::cout.tie(nullptr);
    std::cin.tie(nullptr);
}

int main()
{
    fastIOI();
    input();
    solve();

    return 0;
}

Compilation message

copypaste3.cpp: In function 'void input()':
copypaste3.cpp:113:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  113 |     std::cin >> s + 1;
      |                 ~~^~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 148308 KB Output is correct
2 Correct 46 ms 148308 KB Output is correct
3 Correct 43 ms 148304 KB Output is correct
4 Correct 44 ms 148308 KB Output is correct
5 Correct 43 ms 148312 KB Output is correct
6 Correct 42 ms 148312 KB Output is correct
7 Correct 46 ms 148472 KB Output is correct
8 Correct 44 ms 148476 KB Output is correct
9 Correct 43 ms 148312 KB Output is correct
10 Correct 42 ms 148312 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 148560 KB Output is correct
2 Correct 42 ms 148304 KB Output is correct
3 Correct 760 ms 308084 KB Output is correct
4 Correct 895 ms 332692 KB Output is correct
5 Correct 1069 ms 361788 KB Output is correct
6 Correct 1248 ms 394320 KB Output is correct
7 Correct 1501 ms 432044 KB Output is correct
8 Correct 1490 ms 432420 KB Output is correct
9 Correct 1502 ms 432272 KB Output is correct
10 Correct 43 ms 148308 KB Output is correct
11 Correct 45 ms 148568 KB Output is correct
12 Correct 43 ms 148308 KB Output is correct
13 Correct 47 ms 148504 KB Output is correct
14 Correct 42 ms 148412 KB Output is correct
15 Correct 43 ms 148612 KB Output is correct
16 Correct 42 ms 148828 KB Output is correct
17 Correct 42 ms 148308 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 148308 KB Output is correct
2 Correct 46 ms 148308 KB Output is correct
3 Correct 43 ms 148304 KB Output is correct
4 Correct 44 ms 148308 KB Output is correct
5 Correct 43 ms 148312 KB Output is correct
6 Correct 42 ms 148312 KB Output is correct
7 Correct 46 ms 148472 KB Output is correct
8 Correct 44 ms 148476 KB Output is correct
9 Correct 43 ms 148312 KB Output is correct
10 Correct 42 ms 148312 KB Output is correct
11 Correct 42 ms 148572 KB Output is correct
12 Correct 45 ms 148568 KB Output is correct
13 Correct 48 ms 149072 KB Output is correct
14 Correct 46 ms 148304 KB Output is correct
15 Correct 43 ms 148560 KB Output is correct
16 Correct 43 ms 148620 KB Output is correct
17 Correct 42 ms 148308 KB Output is correct
18 Correct 47 ms 148508 KB Output is correct
19 Correct 46 ms 148640 KB Output is correct
20 Correct 43 ms 148304 KB Output is correct
21 Correct 44 ms 148712 KB Output is correct
22 Correct 42 ms 148932 KB Output is correct
23 Correct 43 ms 148828 KB Output is correct
24 Correct 43 ms 148820 KB Output is correct
25 Correct 43 ms 148816 KB Output is correct
26 Correct 45 ms 148820 KB Output is correct
27 Correct 45 ms 148828 KB Output is correct
28 Correct 42 ms 148816 KB Output is correct
29 Correct 44 ms 148824 KB Output is correct
30 Correct 45 ms 148828 KB Output is correct
31 Correct 43 ms 148816 KB Output is correct
32 Correct 43 ms 148816 KB Output is correct
33 Correct 43 ms 149156 KB Output is correct
34 Correct 43 ms 148228 KB Output is correct
35 Correct 43 ms 148308 KB Output is correct
36 Correct 42 ms 148280 KB Output is correct
37 Correct 42 ms 148552 KB Output is correct
38 Correct 42 ms 148564 KB Output is correct
39 Correct 44 ms 148932 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 148308 KB Output is correct
2 Correct 46 ms 148308 KB Output is correct
3 Correct 43 ms 148304 KB Output is correct
4 Correct 44 ms 148308 KB Output is correct
5 Correct 43 ms 148312 KB Output is correct
6 Correct 42 ms 148312 KB Output is correct
7 Correct 46 ms 148472 KB Output is correct
8 Correct 44 ms 148476 KB Output is correct
9 Correct 43 ms 148312 KB Output is correct
10 Correct 42 ms 148312 KB Output is correct
11 Correct 42 ms 148572 KB Output is correct
12 Correct 45 ms 148568 KB Output is correct
13 Correct 48 ms 149072 KB Output is correct
14 Correct 46 ms 148304 KB Output is correct
15 Correct 43 ms 148560 KB Output is correct
16 Correct 43 ms 148620 KB Output is correct
17 Correct 42 ms 148308 KB Output is correct
18 Correct 47 ms 148508 KB Output is correct
19 Correct 46 ms 148640 KB Output is correct
20 Correct 43 ms 148304 KB Output is correct
21 Correct 44 ms 148712 KB Output is correct
22 Correct 42 ms 148932 KB Output is correct
23 Correct 43 ms 148828 KB Output is correct
24 Correct 43 ms 148820 KB Output is correct
25 Correct 43 ms 148816 KB Output is correct
26 Correct 45 ms 148820 KB Output is correct
27 Correct 45 ms 148828 KB Output is correct
28 Correct 42 ms 148816 KB Output is correct
29 Correct 44 ms 148824 KB Output is correct
30 Correct 45 ms 148828 KB Output is correct
31 Correct 43 ms 148816 KB Output is correct
32 Correct 43 ms 148816 KB Output is correct
33 Correct 43 ms 149156 KB Output is correct
34 Correct 43 ms 148228 KB Output is correct
35 Correct 43 ms 148308 KB Output is correct
36 Correct 42 ms 148280 KB Output is correct
37 Correct 42 ms 148552 KB Output is correct
38 Correct 42 ms 148564 KB Output is correct
39 Correct 44 ms 148932 KB Output is correct
40 Correct 44 ms 149844 KB Output is correct
41 Correct 50 ms 152996 KB Output is correct
42 Correct 49 ms 152704 KB Output is correct
43 Correct 50 ms 152808 KB Output is correct
44 Correct 51 ms 152752 KB Output is correct
45 Correct 48 ms 152668 KB Output is correct
46 Correct 48 ms 152660 KB Output is correct
47 Correct 47 ms 152668 KB Output is correct
48 Correct 49 ms 152808 KB Output is correct
49 Correct 48 ms 152656 KB Output is correct
50 Correct 48 ms 152656 KB Output is correct
51 Correct 51 ms 152660 KB Output is correct
52 Correct 48 ms 152656 KB Output is correct
53 Correct 48 ms 152660 KB Output is correct

Subtask #5
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 148308 KB Output is correct
2 Correct 46 ms 148308 KB Output is correct
3 Correct 43 ms 148304 KB Output is correct
4 Correct 44 ms 148308 KB Output is correct
5 Correct 43 ms 148312 KB Output is correct
6 Correct 42 ms 148312 KB Output is correct
7 Correct 46 ms 148472 KB Output is correct
8 Correct 44 ms 148476 KB Output is correct
9 Correct 43 ms 148312 KB Output is correct
10 Correct 42 ms 148312 KB Output is correct
11 Correct 42 ms 148572 KB Output is correct
12 Correct 45 ms 148568 KB Output is correct
13 Correct 48 ms 149072 KB Output is correct
14 Correct 46 ms 148304 KB Output is correct
15 Correct 43 ms 148560 KB Output is correct
16 Correct 43 ms 148620 KB Output is correct
17 Correct 42 ms 148308 KB Output is correct
18 Correct 47 ms 148508 KB Output is correct
19 Correct 46 ms 148640 KB Output is correct
20 Correct 43 ms 148304 KB Output is correct
21 Correct 44 ms 148712 KB Output is correct
22 Correct 42 ms 148932 KB Output is correct
23 Correct 43 ms 148828 KB Output is correct
24 Correct 43 ms 148820 KB Output is correct
25 Correct 43 ms 148816 KB Output is correct
26 Correct 45 ms 148820 KB Output is correct
27 Correct 45 ms 148828 KB Output is correct
28 Correct 42 ms 148816 KB Output is correct
29 Correct 44 ms 148824 KB Output is correct
30 Correct 45 ms 148828 KB Output is correct
31 Correct 43 ms 148816 KB Output is correct
32 Correct 43 ms 148816 KB Output is correct
33 Correct 43 ms 149156 KB Output is correct
34 Correct 43 ms 148228 KB Output is correct
35 Correct 43 ms 148308 KB Output is correct
36 Correct 42 ms 148280 KB Output is correct
37 Correct 42 ms 148552 KB Output is correct
38 Correct 42 ms 148564 KB Output is correct
39 Correct 44 ms 148932 KB Output is correct
40 Correct 44 ms 149844 KB Output is correct
41 Correct 50 ms 152996 KB Output is correct
42 Correct 49 ms 152704 KB Output is correct
43 Correct 50 ms 152808 KB Output is correct
44 Correct 51 ms 152752 KB Output is correct
45 Correct 48 ms 152668 KB Output is correct
46 Correct 48 ms 152660 KB Output is correct
47 Correct 47 ms 152668 KB Output is correct
48 Correct 49 ms 152808 KB Output is correct
49 Correct 48 ms 152656 KB Output is correct
50 Correct 48 ms 152656 KB Output is correct
51 Correct 51 ms 152660 KB Output is correct
52 Correct 48 ms 152656 KB Output is correct
53 Correct 48 ms 152660 KB Output is correct
54 Correct 69 ms 161360 KB Output is correct
55 Correct 228 ms 202064 KB Output is correct
56 Correct 187 ms 193748 KB Output is correct
57 Correct 173 ms 193688 KB Output is correct
58 Correct 167 ms 193896 KB Output is correct
59 Correct 176 ms 193980 KB Output is correct
60 Correct 166 ms 197920 KB Output is correct
61 Correct 186 ms 193872 KB Output is correct
62 Correct 215 ms 199944 KB Output is correct
63 Correct 177 ms 193836 KB Output is correct
64 Correct 221 ms 193716 KB Output is correct
65 Correct 211 ms 200348 KB Output is correct
66 Correct 234 ms 207572 KB Output is correct
67 Correct 165 ms 211536 KB Output is correct

Subtask #6
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 148308 KB Output is correct
2 Correct 46 ms 148308 KB Output is correct
3 Correct 43 ms 148304 KB Output is correct
4 Correct 44 ms 148308 KB Output is correct
5 Correct 43 ms 148312 KB Output is correct
6 Correct 42 ms 148312 KB Output is correct
7 Correct 46 ms 148472 KB Output is correct
8 Correct 44 ms 148476 KB Output is correct
9 Correct 43 ms 148312 KB Output is correct
10 Correct 42 ms 148312 KB Output is correct
11 Correct 45 ms 148560 KB Output is correct
12 Correct 42 ms 148304 KB Output is correct
13 Correct 760 ms 308084 KB Output is correct
14 Correct 895 ms 332692 KB Output is correct
15 Correct 1069 ms 361788 KB Output is correct
16 Correct 1248 ms 394320 KB Output is correct
17 Correct 1501 ms 432044 KB Output is correct
18 Correct 1490 ms 432420 KB Output is correct
19 Correct 1502 ms 432272 KB Output is correct
20 Correct 43 ms 148308 KB Output is correct
21 Correct 45 ms 148568 KB Output is correct
22 Correct 43 ms 148308 KB Output is correct
23 Correct 47 ms 148504 KB Output is correct
24 Correct 42 ms 148412 KB Output is correct
25 Correct 43 ms 148612 KB Output is correct
26 Correct 42 ms 148828 KB Output is correct
27 Correct 42 ms 148308 KB Output is correct
28 Correct 42 ms 148572 KB Output is correct
29 Correct 45 ms 148568 KB Output is correct
30 Correct 48 ms 149072 KB Output is correct
31 Correct 46 ms 148304 KB Output is correct
32 Correct 43 ms 148560 KB Output is correct
33 Correct 43 ms 148620 KB Output is correct
34 Correct 42 ms 148308 KB Output is correct
35 Correct 47 ms 148508 KB Output is correct
36 Correct 46 ms 148640 KB Output is correct
37 Correct 43 ms 148304 KB Output is correct
38 Correct 44 ms 148712 KB Output is correct
39 Correct 42 ms 148932 KB Output is correct
40 Correct 43 ms 148828 KB Output is correct
41 Correct 43 ms 148820 KB Output is correct
42 Correct 43 ms 148816 KB Output is correct
43 Correct 45 ms 148820 KB Output is correct
44 Correct 45 ms 148828 KB Output is correct
45 Correct 42 ms 148816 KB Output is correct
46 Correct 44 ms 148824 KB Output is correct
47 Correct 45 ms 148828 KB Output is correct
48 Correct 43 ms 148816 KB Output is correct
49 Correct 43 ms 148816 KB Output is correct
50 Correct 43 ms 149156 KB Output is correct
51 Correct 43 ms 148228 KB Output is correct
52 Correct 43 ms 148308 KB Output is correct
53 Correct 42 ms 148280 KB Output is correct
54 Correct 42 ms 148552 KB Output is correct
55 Correct 42 ms 148564 KB Output is correct
56 Correct 44 ms 148932 KB Output is correct
57 Correct 44 ms 149844 KB Output is correct
58 Correct 50 ms 152996 KB Output is correct
59 Correct 49 ms 152704 KB Output is correct
60 Correct 50 ms 152808 KB Output is correct
61 Correct 51 ms 152752 KB Output is correct
62 Correct 48 ms 152668 KB Output is correct
63 Correct 48 ms 152660 KB Output is correct
64 Correct 47 ms 152668 KB Output is correct
65 Correct 49 ms 152808 KB Output is correct
66 Correct 48 ms 152656 KB Output is correct
67 Correct 48 ms 152656 KB Output is correct
68 Correct 51 ms 152660 KB Output is correct
69 Correct 48 ms 152656 KB Output is correct
70 Correct 48 ms 152660 KB Output is correct
71 Correct 69 ms 161360 KB Output is correct
72 Correct 228 ms 202064 KB Output is correct
73 Correct 187 ms 193748 KB Output is correct
74 Correct 173 ms 193688 KB Output is correct
75 Correct 167 ms 193896 KB Output is correct
76 Correct 176 ms 193980 KB Output is correct
77 Correct 166 ms 197920 KB Output is correct
78 Correct 186 ms 193872 KB Output is correct
79 Correct 215 ms 199944 KB Output is correct
80 Correct 177 ms 193836 KB Output is correct
81 Correct 221 ms 193716 KB Output is correct
82 Correct 211 ms 200348 KB Output is correct
83 Correct 234 ms 207572 KB Output is correct
84 Correct 165 ms 211536 KB Output is correct
85 Correct 441 ms 269388 KB Output is correct
86 Correct 975 ms 387388 KB Output is correct
87 Correct 932 ms 387380 KB Output is correct
88 Correct 969 ms 387268 KB Output is correct
89 Incorrect 838 ms 387292 KB Output isn't correct
90 Halted 0 ms 0 KB -