oj.uz

Submission #1060898

# Submission time Handle Problem Language Result Execution time Memory
1060898 2024-08-16T04:13:41 Z sleepntsheep Copy and Paste 3 (JOI22_copypaste3) C++17
62 / 100
 3000 ms 340820 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 = 2501;
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 pair<ll, 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<pair<ll, 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 x = get_hash(i, j);

            auto &oc = oo[x];
            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(oc.begin(), 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 49240 KB Output is correct
2 Correct 7 ms 49244 KB Output is correct
3 Correct 7 ms 49244 KB Output is correct
4 Correct 7 ms 49244 KB Output is correct
5 Correct 6 ms 49240 KB Output is correct
6 Correct 6 ms 49240 KB Output is correct
7 Correct 8 ms 49216 KB Output is correct
8 Correct 6 ms 49240 KB Output is correct
9 Correct 6 ms 49244 KB Output is correct
10 Correct 6 ms 49244 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 49240 KB Output is correct
2 Correct 6 ms 49212 KB Output is correct
3 Correct 407 ms 59408 KB Output is correct
4 Correct 520 ms 61268 KB Output is correct
5 Correct 628 ms 63060 KB Output is correct
6 Correct 778 ms 64996 KB Output is correct
7 Correct 960 ms 67456 KB Output is correct
8 Correct 944 ms 67408 KB Output is correct
9 Correct 948 ms 67432 KB Output is correct
10 Correct 6 ms 49244 KB Output is correct
11 Correct 6 ms 49244 KB Output is correct
12 Correct 6 ms 49244 KB Output is correct
13 Correct 6 ms 49244 KB Output is correct
14 Correct 6 ms 49240 KB Output is correct
15 Correct 7 ms 49244 KB Output is correct
16 Correct 6 ms 49244 KB Output is correct
17 Correct 6 ms 49244 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 49240 KB Output is correct
2 Correct 7 ms 49244 KB Output is correct
3 Correct 7 ms 49244 KB Output is correct
4 Correct 7 ms 49244 KB Output is correct
5 Correct 6 ms 49240 KB Output is correct
6 Correct 6 ms 49240 KB Output is correct
7 Correct 8 ms 49216 KB Output is correct
8 Correct 6 ms 49240 KB Output is correct
9 Correct 6 ms 49244 KB Output is correct
10 Correct 6 ms 49244 KB Output is correct
11 Correct 6 ms 49244 KB Output is correct
12 Correct 6 ms 49244 KB Output is correct
13 Correct 7 ms 49240 KB Output is correct
14 Correct 6 ms 49244 KB Output is correct
15 Correct 6 ms 49244 KB Output is correct
16 Correct 6 ms 49240 KB Output is correct
17 Correct 6 ms 49184 KB Output is correct
18 Correct 6 ms 49244 KB Output is correct
19 Correct 6 ms 49240 KB Output is correct
20 Correct 6 ms 49240 KB Output is correct
21 Correct 6 ms 49428 KB Output is correct
22 Correct 6 ms 49244 KB Output is correct
23 Correct 7 ms 49240 KB Output is correct
24 Correct 6 ms 49244 KB Output is correct
25 Correct 6 ms 49244 KB Output is correct
26 Correct 6 ms 49244 KB Output is correct
27 Correct 6 ms 49240 KB Output is correct
28 Correct 7 ms 49244 KB Output is correct
29 Correct 6 ms 49244 KB Output is correct
30 Correct 6 ms 49244 KB Output is correct
31 Correct 6 ms 49240 KB Output is correct
32 Correct 6 ms 49244 KB Output is correct
33 Correct 6 ms 49244 KB Output is correct
34 Correct 6 ms 49244 KB Output is correct
35 Correct 6 ms 49244 KB Output is correct
36 Correct 6 ms 49240 KB Output is correct
37 Correct 6 ms 49180 KB Output is correct
38 Correct 6 ms 49244 KB Output is correct
39 Correct 6 ms 49244 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 49240 KB Output is correct
2 Correct 7 ms 49244 KB Output is correct
3 Correct 7 ms 49244 KB Output is correct
4 Correct 7 ms 49244 KB Output is correct
5 Correct 6 ms 49240 KB Output is correct
6 Correct 6 ms 49240 KB Output is correct
7 Correct 8 ms 49216 KB Output is correct
8 Correct 6 ms 49240 KB Output is correct
9 Correct 6 ms 49244 KB Output is correct
10 Correct 6 ms 49244 KB Output is correct
11 Correct 6 ms 49244 KB Output is correct
12 Correct 6 ms 49244 KB Output is correct
13 Correct 7 ms 49240 KB Output is correct
14 Correct 6 ms 49244 KB Output is correct
15 Correct 6 ms 49244 KB Output is correct
16 Correct 6 ms 49240 KB Output is correct
17 Correct 6 ms 49184 KB Output is correct
18 Correct 6 ms 49244 KB Output is correct
19 Correct 6 ms 49240 KB Output is correct
20 Correct 6 ms 49240 KB Output is correct
21 Correct 6 ms 49428 KB Output is correct
22 Correct 6 ms 49244 KB Output is correct
23 Correct 7 ms 49240 KB Output is correct
24 Correct 6 ms 49244 KB Output is correct
25 Correct 6 ms 49244 KB Output is correct
26 Correct 6 ms 49244 KB Output is correct
27 Correct 6 ms 49240 KB Output is correct
28 Correct 7 ms 49244 KB Output is correct
29 Correct 6 ms 49244 KB Output is correct
30 Correct 6 ms 49244 KB Output is correct
31 Correct 6 ms 49240 KB Output is correct
32 Correct 6 ms 49244 KB Output is correct
33 Correct 6 ms 49244 KB Output is correct
34 Correct 6 ms 49244 KB Output is correct
35 Correct 6 ms 49244 KB Output is correct
36 Correct 6 ms 49240 KB Output is correct
37 Correct 6 ms 49180 KB Output is correct
38 Correct 6 ms 49244 KB Output is correct
39 Correct 6 ms 49244 KB Output is correct
40 Correct 8 ms 49496 KB Output is correct
41 Correct 9 ms 49500 KB Output is correct
42 Correct 14 ms 51036 KB Output is correct
43 Correct 13 ms 51036 KB Output is correct
44 Correct 14 ms 51224 KB Output is correct
45 Correct 13 ms 51288 KB Output is correct
46 Correct 13 ms 51292 KB Output is correct
47 Correct 11 ms 50024 KB Output is correct
48 Correct 12 ms 50524 KB Output is correct
49 Correct 13 ms 50780 KB Output is correct
50 Correct 12 ms 50776 KB Output is correct
51 Correct 11 ms 50268 KB Output is correct
52 Correct 12 ms 50268 KB Output is correct
53 Correct 13 ms 51168 KB Output is correct

Subtask #5
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 49240 KB Output is correct
2 Correct 7 ms 49244 KB Output is correct
3 Correct 7 ms 49244 KB Output is correct
4 Correct 7 ms 49244 KB Output is correct
5 Correct 6 ms 49240 KB Output is correct
6 Correct 6 ms 49240 KB Output is correct
7 Correct 8 ms 49216 KB Output is correct
8 Correct 6 ms 49240 KB Output is correct
9 Correct 6 ms 49244 KB Output is correct
10 Correct 6 ms 49244 KB Output is correct
11 Correct 6 ms 49244 KB Output is correct
12 Correct 6 ms 49244 KB Output is correct
13 Correct 7 ms 49240 KB Output is correct
14 Correct 6 ms 49244 KB Output is correct
15 Correct 6 ms 49244 KB Output is correct
16 Correct 6 ms 49240 KB Output is correct
17 Correct 6 ms 49184 KB Output is correct
18 Correct 6 ms 49244 KB Output is correct
19 Correct 6 ms 49240 KB Output is correct
20 Correct 6 ms 49240 KB Output is correct
21 Correct 6 ms 49428 KB Output is correct
22 Correct 6 ms 49244 KB Output is correct
23 Correct 7 ms 49240 KB Output is correct
24 Correct 6 ms 49244 KB Output is correct
25 Correct 6 ms 49244 KB Output is correct
26 Correct 6 ms 49244 KB Output is correct
27 Correct 6 ms 49240 KB Output is correct
28 Correct 7 ms 49244 KB Output is correct
29 Correct 6 ms 49244 KB Output is correct
30 Correct 6 ms 49244 KB Output is correct
31 Correct 6 ms 49240 KB Output is correct
32 Correct 6 ms 49244 KB Output is correct
33 Correct 6 ms 49244 KB Output is correct
34 Correct 6 ms 49244 KB Output is correct
35 Correct 6 ms 49244 KB Output is correct
36 Correct 6 ms 49240 KB Output is correct
37 Correct 6 ms 49180 KB Output is correct
38 Correct 6 ms 49244 KB Output is correct
39 Correct 6 ms 49244 KB Output is correct
40 Correct 8 ms 49496 KB Output is correct
41 Correct 9 ms 49500 KB Output is correct
42 Correct 14 ms 51036 KB Output is correct
43 Correct 13 ms 51036 KB Output is correct
44 Correct 14 ms 51224 KB Output is correct
45 Correct 13 ms 51288 KB Output is correct
46 Correct 13 ms 51292 KB Output is correct
47 Correct 11 ms 50024 KB Output is correct
48 Correct 12 ms 50524 KB Output is correct
49 Correct 13 ms 50780 KB Output is correct
50 Correct 12 ms 50776 KB Output is correct
51 Correct 11 ms 50268 KB Output is correct
52 Correct 12 ms 50268 KB Output is correct
53 Correct 13 ms 51168 KB Output is correct
54 Correct 59 ms 58452 KB Output is correct
55 Correct 98 ms 52572 KB Output is correct
56 Correct 507 ms 95512 KB Output is correct
57 Correct 508 ms 95828 KB Output is correct
58 Correct 513 ms 96084 KB Output is correct
59 Correct 521 ms 96280 KB Output is correct
60 Correct 539 ms 96340 KB Output is correct
61 Correct 305 ms 71024 KB Output is correct
62 Correct 96 ms 52564 KB Output is correct
63 Correct 427 ms 85432 KB Output is correct
64 Correct 411 ms 85472 KB Output is correct
65 Correct 326 ms 74092 KB Output is correct
66 Correct 306 ms 74064 KB Output is correct
67 Correct 517 ms 96340 KB Output is correct

Subtask #6
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 49240 KB Output is correct
2 Correct 7 ms 49244 KB Output is correct
3 Correct 7 ms 49244 KB Output is correct
4 Correct 7 ms 49244 KB Output is correct
5 Correct 6 ms 49240 KB Output is correct
6 Correct 6 ms 49240 KB Output is correct
7 Correct 8 ms 49216 KB Output is correct
8 Correct 6 ms 49240 KB Output is correct
9 Correct 6 ms 49244 KB Output is correct
10 Correct 6 ms 49244 KB Output is correct
11 Correct 6 ms 49240 KB Output is correct
12 Correct 6 ms 49212 KB Output is correct
13 Correct 407 ms 59408 KB Output is correct
14 Correct 520 ms 61268 KB Output is correct
15 Correct 628 ms 63060 KB Output is correct
16 Correct 778 ms 64996 KB Output is correct
17 Correct 960 ms 67456 KB Output is correct
18 Correct 944 ms 67408 KB Output is correct
19 Correct 948 ms 67432 KB Output is correct
20 Correct 6 ms 49244 KB Output is correct
21 Correct 6 ms 49244 KB Output is correct
22 Correct 6 ms 49244 KB Output is correct
23 Correct 6 ms 49244 KB Output is correct
24 Correct 6 ms 49240 KB Output is correct
25 Correct 7 ms 49244 KB Output is correct
26 Correct 6 ms 49244 KB Output is correct
27 Correct 6 ms 49244 KB Output is correct
28 Correct 6 ms 49244 KB Output is correct
29 Correct 6 ms 49244 KB Output is correct
30 Correct 7 ms 49240 KB Output is correct
31 Correct 6 ms 49244 KB Output is correct
32 Correct 6 ms 49244 KB Output is correct
33 Correct 6 ms 49240 KB Output is correct
34 Correct 6 ms 49184 KB Output is correct
35 Correct 6 ms 49244 KB Output is correct
36 Correct 6 ms 49240 KB Output is correct
37 Correct 6 ms 49240 KB Output is correct
38 Correct 6 ms 49428 KB Output is correct
39 Correct 6 ms 49244 KB Output is correct
40 Correct 7 ms 49240 KB Output is correct
41 Correct 6 ms 49244 KB Output is correct
42 Correct 6 ms 49244 KB Output is correct
43 Correct 6 ms 49244 KB Output is correct
44 Correct 6 ms 49240 KB Output is correct
45 Correct 7 ms 49244 KB Output is correct
46 Correct 6 ms 49244 KB Output is correct
47 Correct 6 ms 49244 KB Output is correct
48 Correct 6 ms 49240 KB Output is correct
49 Correct 6 ms 49244 KB Output is correct
50 Correct 6 ms 49244 KB Output is correct
51 Correct 6 ms 49244 KB Output is correct
52 Correct 6 ms 49244 KB Output is correct
53 Correct 6 ms 49240 KB Output is correct
54 Correct 6 ms 49180 KB Output is correct
55 Correct 6 ms 49244 KB Output is correct
56 Correct 6 ms 49244 KB Output is correct
57 Correct 8 ms 49496 KB Output is correct
58 Correct 9 ms 49500 KB Output is correct
59 Correct 14 ms 51036 KB Output is correct
60 Correct 13 ms 51036 KB Output is correct
61 Correct 14 ms 51224 KB Output is correct
62 Correct 13 ms 51288 KB Output is correct
63 Correct 13 ms 51292 KB Output is correct
64 Correct 11 ms 50024 KB Output is correct
65 Correct 12 ms 50524 KB Output is correct
66 Correct 13 ms 50780 KB Output is correct
67 Correct 12 ms 50776 KB Output is correct
68 Correct 11 ms 50268 KB Output is correct
69 Correct 12 ms 50268 KB Output is correct
70 Correct 13 ms 51168 KB Output is correct
71 Correct 59 ms 58452 KB Output is correct
72 Correct 98 ms 52572 KB Output is correct
73 Correct 507 ms 95512 KB Output is correct
74 Correct 508 ms 95828 KB Output is correct
75 Correct 513 ms 96084 KB Output is correct
76 Correct 521 ms 96280 KB Output is correct
77 Correct 539 ms 96340 KB Output is correct
78 Correct 305 ms 71024 KB Output is correct
79 Correct 96 ms 52564 KB Output is correct
80 Correct 427 ms 85432 KB Output is correct
81 Correct 411 ms 85472 KB Output is correct
82 Correct 326 ms 74092 KB Output is correct
83 Correct 306 ms 74064 KB Output is correct
84 Correct 517 ms 96340 KB Output is correct
85 Correct 1888 ms 165632 KB Output is correct
86 Execution timed out 3087 ms 340820 KB Time limit exceeded
87 Halted 0 ms 0 KB -