oj.uz

Submission #1060913

# Submission time Handle Problem Language Result Execution time Memory
1060913 2024-08-16T04:30:25 Z sleepntsheep Copy and Paste 3 (JOI22_copypaste3) C++17
62 / 100
 3000 ms 292288 KB 
#pragma GCC optimize("O3,unroll-loops")

#include <string>
#include <iostream>
#include <map>
#include <cstring>
#include <vector>
#include <algorithm>
using namespace std;
using ll = long long;
template <typename T>
using ve = vector<T>;
template <typename T>
using bs = basic_string<T>;

const int N = 2505;
const ll B = 137, M = 1000000007,
      B2 = 141, M2 = 1000000009;

int n;
ll dp[N][N], a, b, c;
char s[N];

ll hs[N], bp[N], ibp[N], bp2[N], ibp2[N], hs2[N];

ll bpow(ll a, ll b, ll m) {
    if (!b) return 1;
    ll r { bpow(a, b / 2, m) };
    if (b & 1) return r * r % m * a % m;
    return r * r % m;
}

void do_hash() {
    bp[0] = ibp[0] = bp2[0] = ibp2[0] = 1;
    for (int i = 1; i <= n; ++i) bp[i] = bp[i - 1] * B % M, ibp[i] = bpow(bp[i], M - 2, M);
    for (int i = 1; i <= n; ++i) hs[i] = bp[i] * (s[i] - 'a' + 1) % M, hs[i] = (hs[i] + hs[i - 1]) % M;

    for (int i = 1; i <= n; ++i) bp2[i] = bp2[i - 1] * B2 % M2, ibp2[i] = bpow(bp2[i], M2 - 2, M2);
    for (int i = 1; i <= n; ++i) hs2[i] = bp2[i] * (s[i] - 'a' + 1) % M2, hs2[i] = (hs2[i] + hs2[i - 1]) % M2;
}

inline ll get_hash(int l, int r) {
    return (ibp[l] * (hs[r] - hs[l - 1] + M) % M) * (ibp2[l] * (hs2[r] - hs2[l - 1] + M2) % M2);
}

map<ll, bs<int>> oo;

void init() {
    do_hash();
    memset(dp, 63, sizeof dp);

    for (int i = 1; i <= n; ++i) {
        dp[i][i] = a;
        for (int j = i; j <= n; ++j) 
            oo[get_hash(i, j)].push_back(i);
    }
}

int main() {
    scanf("%d%s%lld%lld%lld", &n, s + 1, &a, &b, &c);

    init();

    for (int l = 1; l <= n; ++l) {
        for (int i = 1, j = l; j <= n; ++i, ++j) {
            if (i < j) dp[i][j] = min(dp[i][j], dp[i + 1][j] + a);
            if (j > i) dp[i][j] = min(dp[i][j], dp[i][j - 1] + a);

            auto &oc = oo[get_hash(i, j)];
            auto it = lower_bound(oc.begin(), oc.end(), i);
            int cnt = 1;
            for (; it != oc.end(); ++cnt) {
                int jj = *it + l - 1;
                dp[i][jj] = min(dp[i][jj], dp[i][j] + b + cnt * c + (jj - i + 1 - cnt * l) * a);
                it = lower_bound(next(it), min(it + l + 1, oc.end()), *it + l);
            }
        }
    }

    printf("%lld", dp[1][n]);
}

Compilation message

copypaste3.cpp: In function 'int main()':
copypaste3.cpp:60:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   60 |     scanf("%d%s%lld%lld%lld", &n, s + 1, &a, &b, &c);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 49500 KB Output is correct
2 Correct 6 ms 49500 KB Output is correct
3 Correct 6 ms 49464 KB Output is correct
4 Correct 7 ms 49492 KB Output is correct
5 Correct 6 ms 49500 KB Output is correct
6 Correct 6 ms 49464 KB Output is correct
7 Correct 7 ms 49500 KB Output is correct
8 Correct 8 ms 49496 KB Output is correct
9 Correct 7 ms 49500 KB Output is correct
10 Correct 6 ms 49500 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 49496 KB Output is correct
2 Correct 7 ms 49496 KB Output is correct
3 Correct 207 ms 59496 KB Output is correct
4 Correct 253 ms 61264 KB Output is correct
5 Correct 301 ms 63056 KB Output is correct
6 Correct 372 ms 65364 KB Output is correct
7 Correct 432 ms 67488 KB Output is correct
8 Correct 446 ms 67672 KB Output is correct
9 Correct 482 ms 67668 KB Output is correct
10 Correct 6 ms 49500 KB Output is correct
11 Correct 6 ms 49448 KB Output is correct
12 Correct 6 ms 49500 KB Output is correct
13 Correct 6 ms 49500 KB Output is correct
14 Correct 6 ms 49500 KB Output is correct
15 Correct 6 ms 49444 KB Output is correct
16 Correct 6 ms 49500 KB Output is correct
17 Correct 6 ms 49500 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 49500 KB Output is correct
2 Correct 6 ms 49500 KB Output is correct
3 Correct 6 ms 49464 KB Output is correct
4 Correct 7 ms 49492 KB Output is correct
5 Correct 6 ms 49500 KB Output is correct
6 Correct 6 ms 49464 KB Output is correct
7 Correct 7 ms 49500 KB Output is correct
8 Correct 8 ms 49496 KB Output is correct
9 Correct 7 ms 49500 KB Output is correct
10 Correct 6 ms 49500 KB Output is correct
11 Correct 7 ms 49500 KB Output is correct
12 Correct 6 ms 49500 KB Output is correct
13 Correct 7 ms 49496 KB Output is correct
14 Correct 6 ms 49444 KB Output is correct
15 Correct 7 ms 49500 KB Output is correct
16 Correct 6 ms 49500 KB Output is correct
17 Correct 7 ms 49532 KB Output is correct
18 Correct 7 ms 49500 KB Output is correct
19 Correct 6 ms 49500 KB Output is correct
20 Correct 7 ms 49364 KB Output is correct
21 Correct 7 ms 49496 KB Output is correct
22 Correct 6 ms 49496 KB Output is correct
23 Correct 6 ms 49496 KB Output is correct
24 Correct 6 ms 49500 KB Output is correct
25 Correct 7 ms 49500 KB Output is correct
26 Correct 8 ms 49500 KB Output is correct
27 Correct 6 ms 49500 KB Output is correct
28 Correct 7 ms 49472 KB Output is correct
29 Correct 6 ms 49500 KB Output is correct
30 Correct 7 ms 49496 KB Output is correct
31 Correct 8 ms 49496 KB Output is correct
32 Correct 7 ms 49500 KB Output is correct
33 Correct 7 ms 49500 KB Output is correct
34 Correct 7 ms 49500 KB Output is correct
35 Correct 7 ms 49436 KB Output is correct
36 Correct 7 ms 49500 KB Output is correct
37 Correct 6 ms 49500 KB Output is correct
38 Correct 7 ms 49492 KB Output is correct
39 Correct 7 ms 49496 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 49500 KB Output is correct
2 Correct 6 ms 49500 KB Output is correct
3 Correct 6 ms 49464 KB Output is correct
4 Correct 7 ms 49492 KB Output is correct
5 Correct 6 ms 49500 KB Output is correct
6 Correct 6 ms 49464 KB Output is correct
7 Correct 7 ms 49500 KB Output is correct
8 Correct 8 ms 49496 KB Output is correct
9 Correct 7 ms 49500 KB Output is correct
10 Correct 6 ms 49500 KB Output is correct
11 Correct 7 ms 49500 KB Output is correct
12 Correct 6 ms 49500 KB Output is correct
13 Correct 7 ms 49496 KB Output is correct
14 Correct 6 ms 49444 KB Output is correct
15 Correct 7 ms 49500 KB Output is correct
16 Correct 6 ms 49500 KB Output is correct
17 Correct 7 ms 49532 KB Output is correct
18 Correct 7 ms 49500 KB Output is correct
19 Correct 6 ms 49500 KB Output is correct
20 Correct 7 ms 49364 KB Output is correct
21 Correct 7 ms 49496 KB Output is correct
22 Correct 6 ms 49496 KB Output is correct
23 Correct 6 ms 49496 KB Output is correct
24 Correct 6 ms 49500 KB Output is correct
25 Correct 7 ms 49500 KB Output is correct
26 Correct 8 ms 49500 KB Output is correct
27 Correct 6 ms 49500 KB Output is correct
28 Correct 7 ms 49472 KB Output is correct
29 Correct 6 ms 49500 KB Output is correct
30 Correct 7 ms 49496 KB Output is correct
31 Correct 8 ms 49496 KB Output is correct
32 Correct 7 ms 49500 KB Output is correct
33 Correct 7 ms 49500 KB Output is correct
34 Correct 7 ms 49500 KB Output is correct
35 Correct 7 ms 49436 KB Output is correct
36 Correct 7 ms 49500 KB Output is correct
37 Correct 6 ms 49500 KB Output is correct
38 Correct 7 ms 49492 KB Output is correct
39 Correct 7 ms 49496 KB Output is correct
40 Correct 7 ms 49756 KB Output is correct
41 Correct 9 ms 49496 KB Output is correct
42 Correct 13 ms 51036 KB Output is correct
43 Correct 14 ms 51032 KB Output is correct
44 Correct 16 ms 51136 KB Output is correct
45 Correct 15 ms 51032 KB Output is correct
46 Correct 14 ms 51032 KB Output is correct
47 Correct 11 ms 50012 KB Output is correct
48 Correct 14 ms 50268 KB Output is correct
49 Correct 12 ms 50776 KB Output is correct
50 Correct 12 ms 50780 KB Output is correct
51 Correct 12 ms 50268 KB Output is correct
52 Correct 13 ms 50268 KB Output is correct
53 Correct 13 ms 51020 KB Output is correct

Subtask #5
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 49500 KB Output is correct
2 Correct 6 ms 49500 KB Output is correct
3 Correct 6 ms 49464 KB Output is correct
4 Correct 7 ms 49492 KB Output is correct
5 Correct 6 ms 49500 KB Output is correct
6 Correct 6 ms 49464 KB Output is correct
7 Correct 7 ms 49500 KB Output is correct
8 Correct 8 ms 49496 KB Output is correct
9 Correct 7 ms 49500 KB Output is correct
10 Correct 6 ms 49500 KB Output is correct
11 Correct 7 ms 49500 KB Output is correct
12 Correct 6 ms 49500 KB Output is correct
13 Correct 7 ms 49496 KB Output is correct
14 Correct 6 ms 49444 KB Output is correct
15 Correct 7 ms 49500 KB Output is correct
16 Correct 6 ms 49500 KB Output is correct
17 Correct 7 ms 49532 KB Output is correct
18 Correct 7 ms 49500 KB Output is correct
19 Correct 6 ms 49500 KB Output is correct
20 Correct 7 ms 49364 KB Output is correct
21 Correct 7 ms 49496 KB Output is correct
22 Correct 6 ms 49496 KB Output is correct
23 Correct 6 ms 49496 KB Output is correct
24 Correct 6 ms 49500 KB Output is correct
25 Correct 7 ms 49500 KB Output is correct
26 Correct 8 ms 49500 KB Output is correct
27 Correct 6 ms 49500 KB Output is correct
28 Correct 7 ms 49472 KB Output is correct
29 Correct 6 ms 49500 KB Output is correct
30 Correct 7 ms 49496 KB Output is correct
31 Correct 8 ms 49496 KB Output is correct
32 Correct 7 ms 49500 KB Output is correct
33 Correct 7 ms 49500 KB Output is correct
34 Correct 7 ms 49500 KB Output is correct
35 Correct 7 ms 49436 KB Output is correct
36 Correct 7 ms 49500 KB Output is correct
37 Correct 6 ms 49500 KB Output is correct
38 Correct 7 ms 49492 KB Output is correct
39 Correct 7 ms 49496 KB Output is correct
40 Correct 7 ms 49756 KB Output is correct
41 Correct 9 ms 49496 KB Output is correct
42 Correct 13 ms 51036 KB Output is correct
43 Correct 14 ms 51032 KB Output is correct
44 Correct 16 ms 51136 KB Output is correct
45 Correct 15 ms 51032 KB Output is correct
46 Correct 14 ms 51032 KB Output is correct
47 Correct 11 ms 50012 KB Output is correct
48 Correct 14 ms 50268 KB Output is correct
49 Correct 12 ms 50776 KB Output is correct
50 Correct 12 ms 50780 KB Output is correct
51 Correct 12 ms 50268 KB Output is correct
52 Correct 13 ms 50268 KB Output is correct
53 Correct 13 ms 51020 KB Output is correct
54 Correct 64 ms 57172 KB Output is correct
55 Correct 62 ms 52568 KB Output is correct
56 Correct 563 ms 87932 KB Output is correct
57 Correct 539 ms 88156 KB Output is correct
58 Correct 532 ms 88408 KB Output is correct
59 Correct 561 ms 88660 KB Output is correct
60 Correct 521 ms 88656 KB Output is correct
61 Correct 301 ms 67924 KB Output is correct
62 Correct 80 ms 52572 KB Output is correct
63 Correct 425 ms 79952 KB Output is correct
64 Correct 399 ms 79696 KB Output is correct
65 Correct 365 ms 70624 KB Output is correct
66 Correct 347 ms 70480 KB Output is correct
67 Correct 589 ms 88664 KB Output is correct

Subtask #6
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 49500 KB Output is correct
2 Correct 6 ms 49500 KB Output is correct
3 Correct 6 ms 49464 KB Output is correct
4 Correct 7 ms 49492 KB Output is correct
5 Correct 6 ms 49500 KB Output is correct
6 Correct 6 ms 49464 KB Output is correct
7 Correct 7 ms 49500 KB Output is correct
8 Correct 8 ms 49496 KB Output is correct
9 Correct 7 ms 49500 KB Output is correct
10 Correct 6 ms 49500 KB Output is correct
11 Correct 6 ms 49496 KB Output is correct
12 Correct 7 ms 49496 KB Output is correct
13 Correct 207 ms 59496 KB Output is correct
14 Correct 253 ms 61264 KB Output is correct
15 Correct 301 ms 63056 KB Output is correct
16 Correct 372 ms 65364 KB Output is correct
17 Correct 432 ms 67488 KB Output is correct
18 Correct 446 ms 67672 KB Output is correct
19 Correct 482 ms 67668 KB Output is correct
20 Correct 6 ms 49500 KB Output is correct
21 Correct 6 ms 49448 KB Output is correct
22 Correct 6 ms 49500 KB Output is correct
23 Correct 6 ms 49500 KB Output is correct
24 Correct 6 ms 49500 KB Output is correct
25 Correct 6 ms 49444 KB Output is correct
26 Correct 6 ms 49500 KB Output is correct
27 Correct 6 ms 49500 KB Output is correct
28 Correct 7 ms 49500 KB Output is correct
29 Correct 6 ms 49500 KB Output is correct
30 Correct 7 ms 49496 KB Output is correct
31 Correct 6 ms 49444 KB Output is correct
32 Correct 7 ms 49500 KB Output is correct
33 Correct 6 ms 49500 KB Output is correct
34 Correct 7 ms 49532 KB Output is correct
35 Correct 7 ms 49500 KB Output is correct
36 Correct 6 ms 49500 KB Output is correct
37 Correct 7 ms 49364 KB Output is correct
38 Correct 7 ms 49496 KB Output is correct
39 Correct 6 ms 49496 KB Output is correct
40 Correct 6 ms 49496 KB Output is correct
41 Correct 6 ms 49500 KB Output is correct
42 Correct 7 ms 49500 KB Output is correct
43 Correct 8 ms 49500 KB Output is correct
44 Correct 6 ms 49500 KB Output is correct
45 Correct 7 ms 49472 KB Output is correct
46 Correct 6 ms 49500 KB Output is correct
47 Correct 7 ms 49496 KB Output is correct
48 Correct 8 ms 49496 KB Output is correct
49 Correct 7 ms 49500 KB Output is correct
50 Correct 7 ms 49500 KB Output is correct
51 Correct 7 ms 49500 KB Output is correct
52 Correct 7 ms 49436 KB Output is correct
53 Correct 7 ms 49500 KB Output is correct
54 Correct 6 ms 49500 KB Output is correct
55 Correct 7 ms 49492 KB Output is correct
56 Correct 7 ms 49496 KB Output is correct
57 Correct 7 ms 49756 KB Output is correct
58 Correct 9 ms 49496 KB Output is correct
59 Correct 13 ms 51036 KB Output is correct
60 Correct 14 ms 51032 KB Output is correct
61 Correct 16 ms 51136 KB Output is correct
62 Correct 15 ms 51032 KB Output is correct
63 Correct 14 ms 51032 KB Output is correct
64 Correct 11 ms 50012 KB Output is correct
65 Correct 14 ms 50268 KB Output is correct
66 Correct 12 ms 50776 KB Output is correct
67 Correct 12 ms 50780 KB Output is correct
68 Correct 12 ms 50268 KB Output is correct
69 Correct 13 ms 50268 KB Output is correct
70 Correct 13 ms 51020 KB Output is correct
71 Correct 64 ms 57172 KB Output is correct
72 Correct 62 ms 52568 KB Output is correct
73 Correct 563 ms 87932 KB Output is correct
74 Correct 539 ms 88156 KB Output is correct
75 Correct 532 ms 88408 KB Output is correct
76 Correct 561 ms 88660 KB Output is correct
77 Correct 521 ms 88656 KB Output is correct
78 Correct 301 ms 67924 KB Output is correct
79 Correct 80 ms 52572 KB Output is correct
80 Correct 425 ms 79952 KB Output is correct
81 Correct 399 ms 79696 KB Output is correct
82 Correct 365 ms 70624 KB Output is correct
83 Correct 347 ms 70480 KB Output is correct
84 Correct 589 ms 88664 KB Output is correct
85 Correct 2004 ms 146684 KB Output is correct
86 Execution timed out 3056 ms 292288 KB Time limit exceeded
87 Halted 0 ms 0 KB -