Submission #1060901

# Submission time Handle Problem Language Result Execution time Memory
1060901 2024-08-16T04:16:31 Z sleepntsheep Copy and Paste 3 (JOI22_copypaste3) C++17
62 / 100
3000 ms 318548 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 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 &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(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);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# 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 7 ms 49428 KB Output is correct
4 Correct 6 ms 49496 KB Output is correct
5 Correct 6 ms 49500 KB Output is correct
6 Correct 6 ms 49500 KB Output is correct
7 Correct 6 ms 49500 KB Output is correct
8 Correct 6 ms 49500 KB Output is correct
9 Correct 7 ms 49500 KB Output is correct
10 Correct 6 ms 49500 KB Output is correct
# 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 403 ms 59476 KB Output is correct
4 Correct 493 ms 61324 KB Output is correct
5 Correct 627 ms 63184 KB Output is correct
6 Correct 767 ms 65364 KB Output is correct
7 Correct 980 ms 67732 KB Output is correct
8 Correct 1010 ms 67732 KB Output is correct
9 Correct 978 ms 67732 KB Output is correct
10 Correct 7 ms 49752 KB Output is correct
11 Correct 6 ms 49500 KB Output is correct
12 Correct 6 ms 49480 KB Output is correct
13 Correct 6 ms 49500 KB Output is correct
14 Correct 6 ms 49488 KB Output is correct
15 Correct 6 ms 49500 KB Output is correct
16 Correct 8 ms 49500 KB Output is correct
17 Correct 9 ms 49500 KB Output is correct
# 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 7 ms 49428 KB Output is correct
4 Correct 6 ms 49496 KB Output is correct
5 Correct 6 ms 49500 KB Output is correct
6 Correct 6 ms 49500 KB Output is correct
7 Correct 6 ms 49500 KB Output is correct
8 Correct 6 ms 49500 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 49456 KB Output is correct
14 Correct 6 ms 49496 KB Output is correct
15 Correct 6 ms 49436 KB Output is correct
16 Correct 6 ms 49504 KB Output is correct
17 Correct 6 ms 49496 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 49500 KB Output is correct
21 Correct 7 ms 49476 KB Output is correct
22 Correct 8 ms 49500 KB Output is correct
23 Correct 7 ms 49544 KB Output is correct
24 Correct 6 ms 49500 KB Output is correct
25 Correct 7 ms 49432 KB Output is correct
26 Correct 7 ms 49500 KB Output is correct
27 Correct 7 ms 49500 KB Output is correct
28 Correct 6 ms 49500 KB Output is correct
29 Correct 7 ms 49500 KB Output is correct
30 Correct 6 ms 49496 KB Output is correct
31 Correct 7 ms 49492 KB Output is correct
32 Correct 7 ms 49500 KB Output is correct
33 Correct 7 ms 49420 KB Output is correct
34 Correct 6 ms 49500 KB Output is correct
35 Correct 6 ms 49440 KB Output is correct
36 Correct 7 ms 49500 KB Output is correct
37 Correct 7 ms 49500 KB Output is correct
38 Correct 6 ms 49496 KB Output is correct
39 Correct 8 ms 49500 KB Output is correct
# 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 7 ms 49428 KB Output is correct
4 Correct 6 ms 49496 KB Output is correct
5 Correct 6 ms 49500 KB Output is correct
6 Correct 6 ms 49500 KB Output is correct
7 Correct 6 ms 49500 KB Output is correct
8 Correct 6 ms 49500 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 49456 KB Output is correct
14 Correct 6 ms 49496 KB Output is correct
15 Correct 6 ms 49436 KB Output is correct
16 Correct 6 ms 49504 KB Output is correct
17 Correct 6 ms 49496 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 49500 KB Output is correct
21 Correct 7 ms 49476 KB Output is correct
22 Correct 8 ms 49500 KB Output is correct
23 Correct 7 ms 49544 KB Output is correct
24 Correct 6 ms 49500 KB Output is correct
25 Correct 7 ms 49432 KB Output is correct
26 Correct 7 ms 49500 KB Output is correct
27 Correct 7 ms 49500 KB Output is correct
28 Correct 6 ms 49500 KB Output is correct
29 Correct 7 ms 49500 KB Output is correct
30 Correct 6 ms 49496 KB Output is correct
31 Correct 7 ms 49492 KB Output is correct
32 Correct 7 ms 49500 KB Output is correct
33 Correct 7 ms 49420 KB Output is correct
34 Correct 6 ms 49500 KB Output is correct
35 Correct 6 ms 49440 KB Output is correct
36 Correct 7 ms 49500 KB Output is correct
37 Correct 7 ms 49500 KB Output is correct
38 Correct 6 ms 49496 KB Output is correct
39 Correct 8 ms 49500 KB Output is correct
40 Correct 7 ms 49712 KB Output is correct
41 Correct 9 ms 49496 KB Output is correct
42 Correct 14 ms 51292 KB Output is correct
43 Correct 14 ms 51304 KB Output is correct
44 Correct 15 ms 51292 KB Output is correct
45 Correct 16 ms 51288 KB Output is correct
46 Correct 15 ms 51460 KB Output is correct
47 Correct 11 ms 50008 KB Output is correct
48 Correct 12 ms 50524 KB Output is correct
49 Correct 13 ms 50780 KB Output is correct
50 Correct 13 ms 51036 KB Output is correct
51 Correct 12 ms 50524 KB Output is correct
52 Correct 13 ms 50524 KB Output is correct
53 Correct 15 ms 51292 KB Output is correct
# 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 7 ms 49428 KB Output is correct
4 Correct 6 ms 49496 KB Output is correct
5 Correct 6 ms 49500 KB Output is correct
6 Correct 6 ms 49500 KB Output is correct
7 Correct 6 ms 49500 KB Output is correct
8 Correct 6 ms 49500 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 49456 KB Output is correct
14 Correct 6 ms 49496 KB Output is correct
15 Correct 6 ms 49436 KB Output is correct
16 Correct 6 ms 49504 KB Output is correct
17 Correct 6 ms 49496 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 49500 KB Output is correct
21 Correct 7 ms 49476 KB Output is correct
22 Correct 8 ms 49500 KB Output is correct
23 Correct 7 ms 49544 KB Output is correct
24 Correct 6 ms 49500 KB Output is correct
25 Correct 7 ms 49432 KB Output is correct
26 Correct 7 ms 49500 KB Output is correct
27 Correct 7 ms 49500 KB Output is correct
28 Correct 6 ms 49500 KB Output is correct
29 Correct 7 ms 49500 KB Output is correct
30 Correct 6 ms 49496 KB Output is correct
31 Correct 7 ms 49492 KB Output is correct
32 Correct 7 ms 49500 KB Output is correct
33 Correct 7 ms 49420 KB Output is correct
34 Correct 6 ms 49500 KB Output is correct
35 Correct 6 ms 49440 KB Output is correct
36 Correct 7 ms 49500 KB Output is correct
37 Correct 7 ms 49500 KB Output is correct
38 Correct 6 ms 49496 KB Output is correct
39 Correct 8 ms 49500 KB Output is correct
40 Correct 7 ms 49712 KB Output is correct
41 Correct 9 ms 49496 KB Output is correct
42 Correct 14 ms 51292 KB Output is correct
43 Correct 14 ms 51304 KB Output is correct
44 Correct 15 ms 51292 KB Output is correct
45 Correct 16 ms 51288 KB Output is correct
46 Correct 15 ms 51460 KB Output is correct
47 Correct 11 ms 50008 KB Output is correct
48 Correct 12 ms 50524 KB Output is correct
49 Correct 13 ms 50780 KB Output is correct
50 Correct 13 ms 51036 KB Output is correct
51 Correct 12 ms 50524 KB Output is correct
52 Correct 13 ms 50524 KB Output is correct
53 Correct 15 ms 51292 KB Output is correct
54 Correct 70 ms 58692 KB Output is correct
55 Correct 102 ms 52572 KB Output is correct
56 Correct 573 ms 95840 KB Output is correct
57 Correct 552 ms 95960 KB Output is correct
58 Correct 617 ms 96336 KB Output is correct
59 Correct 606 ms 96340 KB Output is correct
60 Correct 651 ms 96488 KB Output is correct
61 Correct 359 ms 71176 KB Output is correct
62 Correct 103 ms 52572 KB Output is correct
63 Correct 508 ms 85636 KB Output is correct
64 Correct 540 ms 85700 KB Output is correct
65 Correct 422 ms 74328 KB Output is correct
66 Correct 425 ms 74400 KB Output is correct
67 Correct 658 ms 96480 KB Output is correct
# 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 7 ms 49428 KB Output is correct
4 Correct 6 ms 49496 KB Output is correct
5 Correct 6 ms 49500 KB Output is correct
6 Correct 6 ms 49500 KB Output is correct
7 Correct 6 ms 49500 KB Output is correct
8 Correct 6 ms 49500 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 49500 KB Output is correct
12 Correct 6 ms 49500 KB Output is correct
13 Correct 403 ms 59476 KB Output is correct
14 Correct 493 ms 61324 KB Output is correct
15 Correct 627 ms 63184 KB Output is correct
16 Correct 767 ms 65364 KB Output is correct
17 Correct 980 ms 67732 KB Output is correct
18 Correct 1010 ms 67732 KB Output is correct
19 Correct 978 ms 67732 KB Output is correct
20 Correct 7 ms 49752 KB Output is correct
21 Correct 6 ms 49500 KB Output is correct
22 Correct 6 ms 49480 KB Output is correct
23 Correct 6 ms 49500 KB Output is correct
24 Correct 6 ms 49488 KB Output is correct
25 Correct 6 ms 49500 KB Output is correct
26 Correct 8 ms 49500 KB Output is correct
27 Correct 9 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 49456 KB Output is correct
31 Correct 6 ms 49496 KB Output is correct
32 Correct 6 ms 49436 KB Output is correct
33 Correct 6 ms 49504 KB Output is correct
34 Correct 6 ms 49496 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 49500 KB Output is correct
38 Correct 7 ms 49476 KB Output is correct
39 Correct 8 ms 49500 KB Output is correct
40 Correct 7 ms 49544 KB Output is correct
41 Correct 6 ms 49500 KB Output is correct
42 Correct 7 ms 49432 KB Output is correct
43 Correct 7 ms 49500 KB Output is correct
44 Correct 7 ms 49500 KB Output is correct
45 Correct 6 ms 49500 KB Output is correct
46 Correct 7 ms 49500 KB Output is correct
47 Correct 6 ms 49496 KB Output is correct
48 Correct 7 ms 49492 KB Output is correct
49 Correct 7 ms 49500 KB Output is correct
50 Correct 7 ms 49420 KB Output is correct
51 Correct 6 ms 49500 KB Output is correct
52 Correct 6 ms 49440 KB Output is correct
53 Correct 7 ms 49500 KB Output is correct
54 Correct 7 ms 49500 KB Output is correct
55 Correct 6 ms 49496 KB Output is correct
56 Correct 8 ms 49500 KB Output is correct
57 Correct 7 ms 49712 KB Output is correct
58 Correct 9 ms 49496 KB Output is correct
59 Correct 14 ms 51292 KB Output is correct
60 Correct 14 ms 51304 KB Output is correct
61 Correct 15 ms 51292 KB Output is correct
62 Correct 16 ms 51288 KB Output is correct
63 Correct 15 ms 51460 KB Output is correct
64 Correct 11 ms 50008 KB Output is correct
65 Correct 12 ms 50524 KB Output is correct
66 Correct 13 ms 50780 KB Output is correct
67 Correct 13 ms 51036 KB Output is correct
68 Correct 12 ms 50524 KB Output is correct
69 Correct 13 ms 50524 KB Output is correct
70 Correct 15 ms 51292 KB Output is correct
71 Correct 70 ms 58692 KB Output is correct
72 Correct 102 ms 52572 KB Output is correct
73 Correct 573 ms 95840 KB Output is correct
74 Correct 552 ms 95960 KB Output is correct
75 Correct 617 ms 96336 KB Output is correct
76 Correct 606 ms 96340 KB Output is correct
77 Correct 651 ms 96488 KB Output is correct
78 Correct 359 ms 71176 KB Output is correct
79 Correct 103 ms 52572 KB Output is correct
80 Correct 508 ms 85636 KB Output is correct
81 Correct 540 ms 85700 KB Output is correct
82 Correct 422 ms 74328 KB Output is correct
83 Correct 425 ms 74400 KB Output is correct
84 Correct 658 ms 96480 KB Output is correct
85 Correct 2294 ms 165756 KB Output is correct
86 Execution timed out 3042 ms 318548 KB Time limit exceeded
87 Halted 0 ms 0 KB -