oj.uz

Submission #1061827

# Submission time Handle Problem Language Result Execution time Memory
1061827 2024-08-16T14:02:42 Z sleepntsheep Copy and Paste 3 (JOI22_copypaste3) C++17
100 / 100
 1469 ms 76484 KB 
#pragma GCC optimize("O3,unroll-loops")

#include <deque>
#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, nxt[N][N];
ll dp[N][N], a, b, c;
char s[N];

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

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);
}

ve<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 l = 1; l <= n; ++l) {
        map<ll, deque<int>> w;
        for (int i = n - l + 1, j = n; i >= 1; --i, --j) {
            x = get_hash(i, j);
            auto it = lower_bound(w[x].begin(), w[x].end(), i + l);
            if (it == w[x].end()) nxt[i][j] = -1;
            else nxt[i][j] = *it;
            w[x].push_front(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) {
            dp[i][j] = min(dp[i][j], dp[i + 1][j] + a);
            dp[i][j] = min(dp[i][j], dp[i][j - 1] + a);
            for (int at = i, cnt = 1; ~at; ++cnt, at = nxt[at][at + l - 1]) {
                int jj = at + l - 1;
                dp[i][jj] = min(dp[i][jj], dp[i][j] + b + cnt * c + (jj - i + 1 - cnt * l) * a);
            }
        }
    }

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

Compilation message

copypaste3.cpp: In function 'int main()':
copypaste3.cpp:69:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |     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 5 ms 49756 KB Output is correct
2 Correct 5 ms 49728 KB Output is correct
3 Correct 5 ms 49756 KB Output is correct
4 Correct 6 ms 49756 KB Output is correct
5 Correct 5 ms 49756 KB Output is correct
6 Correct 5 ms 49684 KB Output is correct
7 Correct 6 ms 49756 KB Output is correct
8 Correct 6 ms 49756 KB Output is correct
9 Correct 6 ms 49756 KB Output is correct
10 Correct 6 ms 49732 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 49756 KB Output is correct
2 Correct 7 ms 49756 KB Output is correct
3 Correct 109 ms 68188 KB Output is correct
4 Correct 131 ms 70236 KB Output is correct
5 Correct 196 ms 72284 KB Output is correct
6 Correct 223 ms 72284 KB Output is correct
7 Correct 230 ms 73196 KB Output is correct
8 Correct 232 ms 73200 KB Output is correct
9 Correct 252 ms 73204 KB Output is correct
10 Correct 6 ms 49756 KB Output is correct
11 Correct 6 ms 49756 KB Output is correct
12 Correct 5 ms 49696 KB Output is correct
13 Correct 6 ms 49756 KB Output is correct
14 Correct 6 ms 49756 KB Output is correct
15 Correct 6 ms 49756 KB Output is correct
16 Correct 6 ms 51804 KB Output is correct
17 Correct 5 ms 49752 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 49756 KB Output is correct
2 Correct 5 ms 49728 KB Output is correct
3 Correct 5 ms 49756 KB Output is correct
4 Correct 6 ms 49756 KB Output is correct
5 Correct 5 ms 49756 KB Output is correct
6 Correct 5 ms 49684 KB Output is correct
7 Correct 6 ms 49756 KB Output is correct
8 Correct 6 ms 49756 KB Output is correct
9 Correct 6 ms 49756 KB Output is correct
10 Correct 6 ms 49732 KB Output is correct
11 Correct 6 ms 49752 KB Output is correct
12 Correct 5 ms 49756 KB Output is correct
13 Correct 6 ms 51800 KB Output is correct
14 Correct 5 ms 49756 KB Output is correct
15 Correct 6 ms 51804 KB Output is correct
16 Correct 6 ms 49756 KB Output is correct
17 Correct 7 ms 49756 KB Output is correct
18 Correct 5 ms 49692 KB Output is correct
19 Correct 5 ms 49708 KB Output is correct
20 Correct 6 ms 49728 KB Output is correct
21 Correct 6 ms 51804 KB Output is correct
22 Correct 6 ms 51804 KB Output is correct
23 Correct 6 ms 51804 KB Output is correct
24 Correct 7 ms 51744 KB Output is correct
25 Correct 6 ms 51804 KB Output is correct
26 Correct 6 ms 51804 KB Output is correct
27 Correct 7 ms 51804 KB Output is correct
28 Correct 6 ms 51804 KB Output is correct
29 Correct 6 ms 51804 KB Output is correct
30 Correct 6 ms 51804 KB Output is correct
31 Correct 5 ms 51804 KB Output is correct
32 Correct 6 ms 51796 KB Output is correct
33 Correct 6 ms 51804 KB Output is correct
34 Correct 5 ms 49696 KB Output is correct
35 Correct 6 ms 49696 KB Output is correct
36 Correct 5 ms 49756 KB Output is correct
37 Correct 5 ms 49756 KB Output is correct
38 Correct 7 ms 49756 KB Output is correct
39 Correct 5 ms 51804 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 49756 KB Output is correct
2 Correct 5 ms 49728 KB Output is correct
3 Correct 5 ms 49756 KB Output is correct
4 Correct 6 ms 49756 KB Output is correct
5 Correct 5 ms 49756 KB Output is correct
6 Correct 5 ms 49684 KB Output is correct
7 Correct 6 ms 49756 KB Output is correct
8 Correct 6 ms 49756 KB Output is correct
9 Correct 6 ms 49756 KB Output is correct
10 Correct 6 ms 49732 KB Output is correct
11 Correct 6 ms 49752 KB Output is correct
12 Correct 5 ms 49756 KB Output is correct
13 Correct 6 ms 51800 KB Output is correct
14 Correct 5 ms 49756 KB Output is correct
15 Correct 6 ms 51804 KB Output is correct
16 Correct 6 ms 49756 KB Output is correct
17 Correct 7 ms 49756 KB Output is correct
18 Correct 5 ms 49692 KB Output is correct
19 Correct 5 ms 49708 KB Output is correct
20 Correct 6 ms 49728 KB Output is correct
21 Correct 6 ms 51804 KB Output is correct
22 Correct 6 ms 51804 KB Output is correct
23 Correct 6 ms 51804 KB Output is correct
24 Correct 7 ms 51744 KB Output is correct
25 Correct 6 ms 51804 KB Output is correct
26 Correct 6 ms 51804 KB Output is correct
27 Correct 7 ms 51804 KB Output is correct
28 Correct 6 ms 51804 KB Output is correct
29 Correct 6 ms 51804 KB Output is correct
30 Correct 6 ms 51804 KB Output is correct
31 Correct 5 ms 51804 KB Output is correct
32 Correct 6 ms 51796 KB Output is correct
33 Correct 6 ms 51804 KB Output is correct
34 Correct 5 ms 49696 KB Output is correct
35 Correct 6 ms 49696 KB Output is correct
36 Correct 5 ms 49756 KB Output is correct
37 Correct 5 ms 49756 KB Output is correct
38 Correct 7 ms 49756 KB Output is correct
39 Correct 5 ms 51804 KB Output is correct
40 Correct 8 ms 51804 KB Output is correct
41 Correct 6 ms 51804 KB Output is correct
42 Correct 10 ms 51804 KB Output is correct
43 Correct 11 ms 52056 KB Output is correct
44 Correct 11 ms 52060 KB Output is correct
45 Correct 11 ms 52020 KB Output is correct
46 Correct 11 ms 52064 KB Output is correct
47 Correct 7 ms 51804 KB Output is correct
48 Correct 14 ms 51804 KB Output is correct
49 Correct 14 ms 51804 KB Output is correct
50 Correct 11 ms 51888 KB Output is correct
51 Correct 10 ms 51804 KB Output is correct
52 Correct 11 ms 51804 KB Output is correct
53 Correct 10 ms 52056 KB Output is correct

Subtask #5
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 49756 KB Output is correct
2 Correct 5 ms 49728 KB Output is correct
3 Correct 5 ms 49756 KB Output is correct
4 Correct 6 ms 49756 KB Output is correct
5 Correct 5 ms 49756 KB Output is correct
6 Correct 5 ms 49684 KB Output is correct
7 Correct 6 ms 49756 KB Output is correct
8 Correct 6 ms 49756 KB Output is correct
9 Correct 6 ms 49756 KB Output is correct
10 Correct 6 ms 49732 KB Output is correct
11 Correct 6 ms 49752 KB Output is correct
12 Correct 5 ms 49756 KB Output is correct
13 Correct 6 ms 51800 KB Output is correct
14 Correct 5 ms 49756 KB Output is correct
15 Correct 6 ms 51804 KB Output is correct
16 Correct 6 ms 49756 KB Output is correct
17 Correct 7 ms 49756 KB Output is correct
18 Correct 5 ms 49692 KB Output is correct
19 Correct 5 ms 49708 KB Output is correct
20 Correct 6 ms 49728 KB Output is correct
21 Correct 6 ms 51804 KB Output is correct
22 Correct 6 ms 51804 KB Output is correct
23 Correct 6 ms 51804 KB Output is correct
24 Correct 7 ms 51744 KB Output is correct
25 Correct 6 ms 51804 KB Output is correct
26 Correct 6 ms 51804 KB Output is correct
27 Correct 7 ms 51804 KB Output is correct
28 Correct 6 ms 51804 KB Output is correct
29 Correct 6 ms 51804 KB Output is correct
30 Correct 6 ms 51804 KB Output is correct
31 Correct 5 ms 51804 KB Output is correct
32 Correct 6 ms 51796 KB Output is correct
33 Correct 6 ms 51804 KB Output is correct
34 Correct 5 ms 49696 KB Output is correct
35 Correct 6 ms 49696 KB Output is correct
36 Correct 5 ms 49756 KB Output is correct
37 Correct 5 ms 49756 KB Output is correct
38 Correct 7 ms 49756 KB Output is correct
39 Correct 5 ms 51804 KB Output is correct
40 Correct 8 ms 51804 KB Output is correct
41 Correct 6 ms 51804 KB Output is correct
42 Correct 10 ms 51804 KB Output is correct
43 Correct 11 ms 52056 KB Output is correct
44 Correct 11 ms 52060 KB Output is correct
45 Correct 11 ms 52020 KB Output is correct
46 Correct 11 ms 52064 KB Output is correct
47 Correct 7 ms 51804 KB Output is correct
48 Correct 14 ms 51804 KB Output is correct
49 Correct 14 ms 51804 KB Output is correct
50 Correct 11 ms 51888 KB Output is correct
51 Correct 10 ms 51804 KB Output is correct
52 Correct 11 ms 51804 KB Output is correct
53 Correct 10 ms 52056 KB Output is correct
54 Correct 34 ms 56472 KB Output is correct
55 Correct 35 ms 59992 KB Output is correct
56 Correct 183 ms 61272 KB Output is correct
57 Correct 181 ms 61276 KB Output is correct
58 Correct 180 ms 61280 KB Output is correct
59 Correct 195 ms 61276 KB Output is correct
60 Correct 214 ms 61272 KB Output is correct
61 Correct 119 ms 60352 KB Output is correct
62 Correct 32 ms 59992 KB Output is correct
63 Correct 160 ms 60752 KB Output is correct
64 Correct 164 ms 60904 KB Output is correct
65 Correct 117 ms 60420 KB Output is correct
66 Correct 120 ms 60340 KB Output is correct
67 Correct 175 ms 61272 KB Output is correct

Subtask #6
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 49756 KB Output is correct
2 Correct 5 ms 49728 KB Output is correct
3 Correct 5 ms 49756 KB Output is correct
4 Correct 6 ms 49756 KB Output is correct
5 Correct 5 ms 49756 KB Output is correct
6 Correct 5 ms 49684 KB Output is correct
7 Correct 6 ms 49756 KB Output is correct
8 Correct 6 ms 49756 KB Output is correct
9 Correct 6 ms 49756 KB Output is correct
10 Correct 6 ms 49732 KB Output is correct
11 Correct 6 ms 49756 KB Output is correct
12 Correct 7 ms 49756 KB Output is correct
13 Correct 109 ms 68188 KB Output is correct
14 Correct 131 ms 70236 KB Output is correct
15 Correct 196 ms 72284 KB Output is correct
16 Correct 223 ms 72284 KB Output is correct
17 Correct 230 ms 73196 KB Output is correct
18 Correct 232 ms 73200 KB Output is correct
19 Correct 252 ms 73204 KB Output is correct
20 Correct 6 ms 49756 KB Output is correct
21 Correct 6 ms 49756 KB Output is correct
22 Correct 5 ms 49696 KB Output is correct
23 Correct 6 ms 49756 KB Output is correct
24 Correct 6 ms 49756 KB Output is correct
25 Correct 6 ms 49756 KB Output is correct
26 Correct 6 ms 51804 KB Output is correct
27 Correct 5 ms 49752 KB Output is correct
28 Correct 6 ms 49752 KB Output is correct
29 Correct 5 ms 49756 KB Output is correct
30 Correct 6 ms 51800 KB Output is correct
31 Correct 5 ms 49756 KB Output is correct
32 Correct 6 ms 51804 KB Output is correct
33 Correct 6 ms 49756 KB Output is correct
34 Correct 7 ms 49756 KB Output is correct
35 Correct 5 ms 49692 KB Output is correct
36 Correct 5 ms 49708 KB Output is correct
37 Correct 6 ms 49728 KB Output is correct
38 Correct 6 ms 51804 KB Output is correct
39 Correct 6 ms 51804 KB Output is correct
40 Correct 6 ms 51804 KB Output is correct
41 Correct 7 ms 51744 KB Output is correct
42 Correct 6 ms 51804 KB Output is correct
43 Correct 6 ms 51804 KB Output is correct
44 Correct 7 ms 51804 KB Output is correct
45 Correct 6 ms 51804 KB Output is correct
46 Correct 6 ms 51804 KB Output is correct
47 Correct 6 ms 51804 KB Output is correct
48 Correct 5 ms 51804 KB Output is correct
49 Correct 6 ms 51796 KB Output is correct
50 Correct 6 ms 51804 KB Output is correct
51 Correct 5 ms 49696 KB Output is correct
52 Correct 6 ms 49696 KB Output is correct
53 Correct 5 ms 49756 KB Output is correct
54 Correct 5 ms 49756 KB Output is correct
55 Correct 7 ms 49756 KB Output is correct
56 Correct 5 ms 51804 KB Output is correct
57 Correct 8 ms 51804 KB Output is correct
58 Correct 6 ms 51804 KB Output is correct
59 Correct 10 ms 51804 KB Output is correct
60 Correct 11 ms 52056 KB Output is correct
61 Correct 11 ms 52060 KB Output is correct
62 Correct 11 ms 52020 KB Output is correct
63 Correct 11 ms 52064 KB Output is correct
64 Correct 7 ms 51804 KB Output is correct
65 Correct 14 ms 51804 KB Output is correct
66 Correct 14 ms 51804 KB Output is correct
67 Correct 11 ms 51888 KB Output is correct
68 Correct 10 ms 51804 KB Output is correct
69 Correct 11 ms 51804 KB Output is correct
70 Correct 10 ms 52056 KB Output is correct
71 Correct 34 ms 56472 KB Output is correct
72 Correct 35 ms 59992 KB Output is correct
73 Correct 183 ms 61272 KB Output is correct
74 Correct 181 ms 61276 KB Output is correct
75 Correct 180 ms 61280 KB Output is correct
76 Correct 195 ms 61276 KB Output is correct
77 Correct 214 ms 61272 KB Output is correct
78 Correct 119 ms 60352 KB Output is correct
79 Correct 32 ms 59992 KB Output is correct
80 Correct 160 ms 60752 KB Output is correct
81 Correct 164 ms 60904 KB Output is correct
82 Correct 117 ms 60420 KB Output is correct
83 Correct 120 ms 60340 KB Output is correct
84 Correct 175 ms 61272 KB Output is correct
85 Correct 502 ms 68116 KB Output is correct
86 Correct 1396 ms 76304 KB Output is correct
87 Correct 1469 ms 76228 KB Output is correct
88 Correct 1355 ms 76268 KB Output is correct
89 Correct 1419 ms 76484 KB Output is correct
90 Correct 1352 ms 76276 KB Output is correct
91 Correct 297 ms 73272 KB Output is correct
92 Correct 203 ms 73052 KB Output is correct
93 Correct 1104 ms 74636 KB Output is correct
94 Correct 1170 ms 75172 KB Output is correct
95 Correct 960 ms 74252 KB Output is correct
96 Correct 892 ms 74420 KB Output is correct
97 Correct 1349 ms 76272 KB Output is correct