oj.uz

Submission #1060909

# Submission time Handle Problem Language Result Execution time Memory
1060909 2024-08-16T04:27:58 Z sleepntsheep Copy and Paste 3 (JOI22_copypaste3) C++17
62 / 100
 3000 ms 292520 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), 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 6 ms 49496 KB Output is correct
2 Correct 6 ms 49496 KB Output is correct
3 Correct 6 ms 49500 KB Output is correct
4 Correct 6 ms 49436 KB Output is correct
5 Correct 6 ms 49444 KB Output is correct
6 Correct 8 ms 49496 KB Output is correct
7 Correct 6 ms 49500 KB Output is correct
8 Correct 6 ms 49496 KB Output is correct
9 Correct 6 ms 49500 KB Output is correct
10 Correct 6 ms 49564 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 49500 KB Output is correct
2 Correct 6 ms 49500 KB Output is correct
3 Correct 264 ms 59476 KB Output is correct
4 Correct 344 ms 61264 KB Output is correct
5 Correct 371 ms 63168 KB Output is correct
6 Correct 460 ms 65104 KB Output is correct
7 Correct 543 ms 67456 KB Output is correct
8 Correct 537 ms 67664 KB Output is correct
9 Correct 548 ms 67668 KB Output is correct
10 Correct 6 ms 49496 KB Output is correct
11 Correct 6 ms 49500 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 49496 KB Output is correct
15 Correct 7 ms 49500 KB Output is correct
16 Correct 6 ms 49436 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 6 ms 49496 KB Output is correct
2 Correct 6 ms 49496 KB Output is correct
3 Correct 6 ms 49500 KB Output is correct
4 Correct 6 ms 49436 KB Output is correct
5 Correct 6 ms 49444 KB Output is correct
6 Correct 8 ms 49496 KB Output is correct
7 Correct 6 ms 49500 KB Output is correct
8 Correct 6 ms 49496 KB Output is correct
9 Correct 6 ms 49500 KB Output is correct
10 Correct 6 ms 49564 KB Output is correct
11 Correct 6 ms 49500 KB Output is correct
12 Correct 6 ms 49500 KB Output is correct
13 Correct 6 ms 49432 KB Output is correct
14 Correct 6 ms 49500 KB Output is correct
15 Correct 7 ms 49500 KB Output is correct
16 Correct 6 ms 49480 KB Output is correct
17 Correct 6 ms 49544 KB Output is correct
18 Correct 6 ms 49500 KB Output is correct
19 Correct 7 ms 49500 KB Output is correct
20 Correct 6 ms 49444 KB Output is correct
21 Correct 7 ms 49444 KB Output is correct
22 Correct 7 ms 49500 KB Output is correct
23 Correct 6 ms 49508 KB Output is correct
24 Correct 6 ms 49500 KB Output is correct
25 Correct 6 ms 49500 KB Output is correct
26 Correct 6 ms 49500 KB Output is correct
27 Correct 6 ms 49500 KB Output is correct
28 Correct 6 ms 49500 KB Output is correct
29 Correct 6 ms 49500 KB Output is correct
30 Correct 6 ms 49496 KB Output is correct
31 Correct 6 ms 49500 KB Output is correct
32 Correct 6 ms 49500 KB Output is correct
33 Correct 6 ms 49500 KB Output is correct
34 Correct 6 ms 49500 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 49440 KB Output is correct
38 Correct 7 ms 49460 KB Output is correct
39 Correct 6 ms 49500 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 49496 KB Output is correct
2 Correct 6 ms 49496 KB Output is correct
3 Correct 6 ms 49500 KB Output is correct
4 Correct 6 ms 49436 KB Output is correct
5 Correct 6 ms 49444 KB Output is correct
6 Correct 8 ms 49496 KB Output is correct
7 Correct 6 ms 49500 KB Output is correct
8 Correct 6 ms 49496 KB Output is correct
9 Correct 6 ms 49500 KB Output is correct
10 Correct 6 ms 49564 KB Output is correct
11 Correct 6 ms 49500 KB Output is correct
12 Correct 6 ms 49500 KB Output is correct
13 Correct 6 ms 49432 KB Output is correct
14 Correct 6 ms 49500 KB Output is correct
15 Correct 7 ms 49500 KB Output is correct
16 Correct 6 ms 49480 KB Output is correct
17 Correct 6 ms 49544 KB Output is correct
18 Correct 6 ms 49500 KB Output is correct
19 Correct 7 ms 49500 KB Output is correct
20 Correct 6 ms 49444 KB Output is correct
21 Correct 7 ms 49444 KB Output is correct
22 Correct 7 ms 49500 KB Output is correct
23 Correct 6 ms 49508 KB Output is correct
24 Correct 6 ms 49500 KB Output is correct
25 Correct 6 ms 49500 KB Output is correct
26 Correct 6 ms 49500 KB Output is correct
27 Correct 6 ms 49500 KB Output is correct
28 Correct 6 ms 49500 KB Output is correct
29 Correct 6 ms 49500 KB Output is correct
30 Correct 6 ms 49496 KB Output is correct
31 Correct 6 ms 49500 KB Output is correct
32 Correct 6 ms 49500 KB Output is correct
33 Correct 6 ms 49500 KB Output is correct
34 Correct 6 ms 49500 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 49440 KB Output is correct
38 Correct 7 ms 49460 KB Output is correct
39 Correct 6 ms 49500 KB Output is correct
40 Correct 8 ms 49756 KB Output is correct
41 Correct 8 ms 49500 KB Output is correct
42 Correct 14 ms 51036 KB Output is correct
43 Correct 14 ms 50992 KB Output is correct
44 Correct 15 ms 51036 KB Output is correct
45 Correct 14 ms 51040 KB Output is correct
46 Correct 15 ms 51056 KB Output is correct
47 Correct 11 ms 50004 KB Output is correct
48 Correct 13 ms 50500 KB Output is correct
49 Correct 14 ms 50776 KB Output is correct
50 Correct 14 ms 50644 KB Output is correct
51 Correct 13 ms 50280 KB Output is correct
52 Correct 14 ms 50268 KB Output is correct
53 Correct 15 ms 50956 KB Output is correct

Subtask #5
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 49496 KB Output is correct
2 Correct 6 ms 49496 KB Output is correct
3 Correct 6 ms 49500 KB Output is correct
4 Correct 6 ms 49436 KB Output is correct
5 Correct 6 ms 49444 KB Output is correct
6 Correct 8 ms 49496 KB Output is correct
7 Correct 6 ms 49500 KB Output is correct
8 Correct 6 ms 49496 KB Output is correct
9 Correct 6 ms 49500 KB Output is correct
10 Correct 6 ms 49564 KB Output is correct
11 Correct 6 ms 49500 KB Output is correct
12 Correct 6 ms 49500 KB Output is correct
13 Correct 6 ms 49432 KB Output is correct
14 Correct 6 ms 49500 KB Output is correct
15 Correct 7 ms 49500 KB Output is correct
16 Correct 6 ms 49480 KB Output is correct
17 Correct 6 ms 49544 KB Output is correct
18 Correct 6 ms 49500 KB Output is correct
19 Correct 7 ms 49500 KB Output is correct
20 Correct 6 ms 49444 KB Output is correct
21 Correct 7 ms 49444 KB Output is correct
22 Correct 7 ms 49500 KB Output is correct
23 Correct 6 ms 49508 KB Output is correct
24 Correct 6 ms 49500 KB Output is correct
25 Correct 6 ms 49500 KB Output is correct
26 Correct 6 ms 49500 KB Output is correct
27 Correct 6 ms 49500 KB Output is correct
28 Correct 6 ms 49500 KB Output is correct
29 Correct 6 ms 49500 KB Output is correct
30 Correct 6 ms 49496 KB Output is correct
31 Correct 6 ms 49500 KB Output is correct
32 Correct 6 ms 49500 KB Output is correct
33 Correct 6 ms 49500 KB Output is correct
34 Correct 6 ms 49500 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 49440 KB Output is correct
38 Correct 7 ms 49460 KB Output is correct
39 Correct 6 ms 49500 KB Output is correct
40 Correct 8 ms 49756 KB Output is correct
41 Correct 8 ms 49500 KB Output is correct
42 Correct 14 ms 51036 KB Output is correct
43 Correct 14 ms 50992 KB Output is correct
44 Correct 15 ms 51036 KB Output is correct
45 Correct 14 ms 51040 KB Output is correct
46 Correct 15 ms 51056 KB Output is correct
47 Correct 11 ms 50004 KB Output is correct
48 Correct 13 ms 50500 KB Output is correct
49 Correct 14 ms 50776 KB Output is correct
50 Correct 14 ms 50644 KB Output is correct
51 Correct 13 ms 50280 KB Output is correct
52 Correct 14 ms 50268 KB Output is correct
53 Correct 15 ms 50956 KB Output is correct
54 Correct 62 ms 57180 KB Output is correct
55 Correct 78 ms 52580 KB Output is correct
56 Correct 521 ms 88152 KB Output is correct
57 Correct 535 ms 88148 KB Output is correct
58 Correct 505 ms 88400 KB Output is correct
59 Correct 503 ms 88440 KB Output is correct
60 Correct 500 ms 88656 KB Output is correct
61 Correct 314 ms 67912 KB Output is correct
62 Correct 81 ms 52516 KB Output is correct
63 Correct 406 ms 79956 KB Output is correct
64 Correct 400 ms 79700 KB Output is correct
65 Correct 329 ms 70624 KB Output is correct
66 Correct 333 ms 70552 KB Output is correct
67 Correct 498 ms 88656 KB Output is correct

Subtask #6
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 49496 KB Output is correct
2 Correct 6 ms 49496 KB Output is correct
3 Correct 6 ms 49500 KB Output is correct
4 Correct 6 ms 49436 KB Output is correct
5 Correct 6 ms 49444 KB Output is correct
6 Correct 8 ms 49496 KB Output is correct
7 Correct 6 ms 49500 KB Output is correct
8 Correct 6 ms 49496 KB Output is correct
9 Correct 6 ms 49500 KB Output is correct
10 Correct 6 ms 49564 KB Output is correct
11 Correct 6 ms 49500 KB Output is correct
12 Correct 6 ms 49500 KB Output is correct
13 Correct 264 ms 59476 KB Output is correct
14 Correct 344 ms 61264 KB Output is correct
15 Correct 371 ms 63168 KB Output is correct
16 Correct 460 ms 65104 KB Output is correct
17 Correct 543 ms 67456 KB Output is correct
18 Correct 537 ms 67664 KB Output is correct
19 Correct 548 ms 67668 KB Output is correct
20 Correct 6 ms 49496 KB Output is correct
21 Correct 6 ms 49500 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 49496 KB Output is correct
25 Correct 7 ms 49500 KB Output is correct
26 Correct 6 ms 49436 KB Output is correct
27 Correct 6 ms 49500 KB Output is correct
28 Correct 6 ms 49500 KB Output is correct
29 Correct 6 ms 49500 KB Output is correct
30 Correct 6 ms 49432 KB Output is correct
31 Correct 6 ms 49500 KB Output is correct
32 Correct 7 ms 49500 KB Output is correct
33 Correct 6 ms 49480 KB Output is correct
34 Correct 6 ms 49544 KB Output is correct
35 Correct 6 ms 49500 KB Output is correct
36 Correct 7 ms 49500 KB Output is correct
37 Correct 6 ms 49444 KB Output is correct
38 Correct 7 ms 49444 KB Output is correct
39 Correct 7 ms 49500 KB Output is correct
40 Correct 6 ms 49508 KB Output is correct
41 Correct 6 ms 49500 KB Output is correct
42 Correct 6 ms 49500 KB Output is correct
43 Correct 6 ms 49500 KB Output is correct
44 Correct 6 ms 49500 KB Output is correct
45 Correct 6 ms 49500 KB Output is correct
46 Correct 6 ms 49500 KB Output is correct
47 Correct 6 ms 49496 KB Output is correct
48 Correct 6 ms 49500 KB Output is correct
49 Correct 6 ms 49500 KB Output is correct
50 Correct 6 ms 49500 KB Output is correct
51 Correct 6 ms 49500 KB Output is correct
52 Correct 7 ms 49500 KB Output is correct
53 Correct 6 ms 49500 KB Output is correct
54 Correct 7 ms 49440 KB Output is correct
55 Correct 7 ms 49460 KB Output is correct
56 Correct 6 ms 49500 KB Output is correct
57 Correct 8 ms 49756 KB Output is correct
58 Correct 8 ms 49500 KB Output is correct
59 Correct 14 ms 51036 KB Output is correct
60 Correct 14 ms 50992 KB Output is correct
61 Correct 15 ms 51036 KB Output is correct
62 Correct 14 ms 51040 KB Output is correct
63 Correct 15 ms 51056 KB Output is correct
64 Correct 11 ms 50004 KB Output is correct
65 Correct 13 ms 50500 KB Output is correct
66 Correct 14 ms 50776 KB Output is correct
67 Correct 14 ms 50644 KB Output is correct
68 Correct 13 ms 50280 KB Output is correct
69 Correct 14 ms 50268 KB Output is correct
70 Correct 15 ms 50956 KB Output is correct
71 Correct 62 ms 57180 KB Output is correct
72 Correct 78 ms 52580 KB Output is correct
73 Correct 521 ms 88152 KB Output is correct
74 Correct 535 ms 88148 KB Output is correct
75 Correct 505 ms 88400 KB Output is correct
76 Correct 503 ms 88440 KB Output is correct
77 Correct 500 ms 88656 KB Output is correct
78 Correct 314 ms 67912 KB Output is correct
79 Correct 81 ms 52516 KB Output is correct
80 Correct 406 ms 79956 KB Output is correct
81 Correct 400 ms 79700 KB Output is correct
82 Correct 329 ms 70624 KB Output is correct
83 Correct 333 ms 70552 KB Output is correct
84 Correct 498 ms 88656 KB Output is correct
85 Correct 1829 ms 146416 KB Output is correct
86 Execution timed out 3056 ms 292520 KB Time limit exceeded
87 Halted 0 ms 0 KB -