oj.uz

답안 #1060891

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1060891 2024-08-16T04:07:14 Z sleepntsheep Copy and Paste 3 (JOI22_copypaste3) C++17
25 / 100
 3000 ms 314692 KB 
#pragma GCC optimize("O3,unroll-loops")

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

const int N = 2001;
const ll B = 137, M = 1000000007;

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

ll hs[N], bp[N], ibp[N];

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

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

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

map<ll, ve<int>> oo, op[N];

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);
    }

    for (int i = 1; i <= n; ++i) {
        for (int j = i; j <= n; ++j) {
            ll x = get_hash(i, j);
            auto &v = oo[x];
            auto it = lower_bound(v.begin(), v.end(), i);
            while (it != v.end()) {
                op[i][x].push_back(*it);
                it = lower_bound(v.begin(), v.end(), *it + j - i + 1);
            }
        }
    }
}

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 = op[i][x];
            auto it = lower_bound(oc.begin(), oc.end(), i);
            int cnt = 1;
            for (; it != oc.end(); ++it, ++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);
            }
        }
    }

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

Compilation message

copypaste3.cpp: In function 'int main()':
copypaste3.cpp:65:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   65 |     scanf("%d%s%lld%lld%lld", &n, s + 1, &a, &b, &c);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 31832 KB Output is correct
2 Correct 4 ms 31836 KB Output is correct
3 Correct 3 ms 31836 KB Output is correct
4 Correct 4 ms 31836 KB Output is correct
5 Correct 4 ms 31836 KB Output is correct
6 Correct 4 ms 31836 KB Output is correct
7 Correct 5 ms 31828 KB Output is correct
8 Correct 4 ms 31844 KB Output is correct
9 Correct 4 ms 31836 KB Output is correct
10 Correct 4 ms 32088 KB Output is correct

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 31836 KB Output is correct
2 Correct 4 ms 31864 KB Output is correct
3 Correct 2588 ms 273748 KB Output is correct
4 Execution timed out 3063 ms 314692 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 31832 KB Output is correct
2 Correct 4 ms 31836 KB Output is correct
3 Correct 3 ms 31836 KB Output is correct
4 Correct 4 ms 31836 KB Output is correct
5 Correct 4 ms 31836 KB Output is correct
6 Correct 4 ms 31836 KB Output is correct
7 Correct 5 ms 31828 KB Output is correct
8 Correct 4 ms 31844 KB Output is correct
9 Correct 4 ms 31836 KB Output is correct
10 Correct 4 ms 32088 KB Output is correct
11 Correct 4 ms 31836 KB Output is correct
12 Correct 4 ms 31836 KB Output is correct
13 Correct 4 ms 31836 KB Output is correct
14 Correct 4 ms 31836 KB Output is correct
15 Correct 4 ms 31836 KB Output is correct
16 Correct 4 ms 31820 KB Output is correct
17 Correct 4 ms 31832 KB Output is correct
18 Correct 4 ms 31836 KB Output is correct
19 Correct 5 ms 31832 KB Output is correct
20 Correct 5 ms 31832 KB Output is correct
21 Correct 4 ms 31832 KB Output is correct
22 Correct 4 ms 31804 KB Output is correct
23 Correct 4 ms 31836 KB Output is correct
24 Correct 5 ms 31812 KB Output is correct
25 Correct 5 ms 31832 KB Output is correct
26 Correct 4 ms 31836 KB Output is correct
27 Correct 4 ms 31832 KB Output is correct
28 Correct 5 ms 31836 KB Output is correct
29 Correct 4 ms 31836 KB Output is correct
30 Correct 4 ms 31836 KB Output is correct
31 Correct 4 ms 31836 KB Output is correct
32 Correct 4 ms 31836 KB Output is correct
33 Correct 5 ms 31836 KB Output is correct
34 Correct 5 ms 31836 KB Output is correct
35 Correct 4 ms 31836 KB Output is correct
36 Correct 4 ms 31832 KB Output is correct
37 Correct 4 ms 31836 KB Output is correct
38 Correct 4 ms 31856 KB Output is correct
39 Correct 5 ms 31836 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 31832 KB Output is correct
2 Correct 4 ms 31836 KB Output is correct
3 Correct 3 ms 31836 KB Output is correct
4 Correct 4 ms 31836 KB Output is correct
5 Correct 4 ms 31836 KB Output is correct
6 Correct 4 ms 31836 KB Output is correct
7 Correct 5 ms 31828 KB Output is correct
8 Correct 4 ms 31844 KB Output is correct
9 Correct 4 ms 31836 KB Output is correct
10 Correct 4 ms 32088 KB Output is correct
11 Correct 4 ms 31836 KB Output is correct
12 Correct 4 ms 31836 KB Output is correct
13 Correct 4 ms 31836 KB Output is correct
14 Correct 4 ms 31836 KB Output is correct
15 Correct 4 ms 31836 KB Output is correct
16 Correct 4 ms 31820 KB Output is correct
17 Correct 4 ms 31832 KB Output is correct
18 Correct 4 ms 31836 KB Output is correct
19 Correct 5 ms 31832 KB Output is correct
20 Correct 5 ms 31832 KB Output is correct
21 Correct 4 ms 31832 KB Output is correct
22 Correct 4 ms 31804 KB Output is correct
23 Correct 4 ms 31836 KB Output is correct
24 Correct 5 ms 31812 KB Output is correct
25 Correct 5 ms 31832 KB Output is correct
26 Correct 4 ms 31836 KB Output is correct
27 Correct 4 ms 31832 KB Output is correct
28 Correct 5 ms 31836 KB Output is correct
29 Correct 4 ms 31836 KB Output is correct
30 Correct 4 ms 31836 KB Output is correct
31 Correct 4 ms 31836 KB Output is correct
32 Correct 4 ms 31836 KB Output is correct
33 Correct 5 ms 31836 KB Output is correct
34 Correct 5 ms 31836 KB Output is correct
35 Correct 4 ms 31836 KB Output is correct
36 Correct 4 ms 31832 KB Output is correct
37 Correct 4 ms 31836 KB Output is correct
38 Correct 4 ms 31856 KB Output is correct
39 Correct 5 ms 31836 KB Output is correct
40 Correct 8 ms 32604 KB Output is correct
41 Correct 18 ms 34392 KB Output is correct
42 Correct 19 ms 36188 KB Output is correct
43 Correct 19 ms 36184 KB Output is correct
44 Correct 31 ms 36184 KB Output is correct
45 Correct 19 ms 36188 KB Output is correct
46 Correct 28 ms 36180 KB Output is correct
47 Correct 14 ms 34648 KB Output is correct
48 Correct 27 ms 35164 KB Output is correct
49 Correct 18 ms 35708 KB Output is correct
50 Correct 18 ms 35676 KB Output is correct
51 Correct 17 ms 35164 KB Output is correct
52 Correct 19 ms 35164 KB Output is correct
53 Correct 17 ms 36188 KB Output is correct

Subtask #5
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 31832 KB Output is correct
2 Correct 4 ms 31836 KB Output is correct
3 Correct 3 ms 31836 KB Output is correct
4 Correct 4 ms 31836 KB Output is correct
5 Correct 4 ms 31836 KB Output is correct
6 Correct 4 ms 31836 KB Output is correct
7 Correct 5 ms 31828 KB Output is correct
8 Correct 4 ms 31844 KB Output is correct
9 Correct 4 ms 31836 KB Output is correct
10 Correct 4 ms 32088 KB Output is correct
11 Correct 4 ms 31836 KB Output is correct
12 Correct 4 ms 31836 KB Output is correct
13 Correct 4 ms 31836 KB Output is correct
14 Correct 4 ms 31836 KB Output is correct
15 Correct 4 ms 31836 KB Output is correct
16 Correct 4 ms 31820 KB Output is correct
17 Correct 4 ms 31832 KB Output is correct
18 Correct 4 ms 31836 KB Output is correct
19 Correct 5 ms 31832 KB Output is correct
20 Correct 5 ms 31832 KB Output is correct
21 Correct 4 ms 31832 KB Output is correct
22 Correct 4 ms 31804 KB Output is correct
23 Correct 4 ms 31836 KB Output is correct
24 Correct 5 ms 31812 KB Output is correct
25 Correct 5 ms 31832 KB Output is correct
26 Correct 4 ms 31836 KB Output is correct
27 Correct 4 ms 31832 KB Output is correct
28 Correct 5 ms 31836 KB Output is correct
29 Correct 4 ms 31836 KB Output is correct
30 Correct 4 ms 31836 KB Output is correct
31 Correct 4 ms 31836 KB Output is correct
32 Correct 4 ms 31836 KB Output is correct
33 Correct 5 ms 31836 KB Output is correct
34 Correct 5 ms 31836 KB Output is correct
35 Correct 4 ms 31836 KB Output is correct
36 Correct 4 ms 31832 KB Output is correct
37 Correct 4 ms 31836 KB Output is correct
38 Correct 4 ms 31856 KB Output is correct
39 Correct 5 ms 31836 KB Output is correct
40 Correct 8 ms 32604 KB Output is correct
41 Correct 18 ms 34392 KB Output is correct
42 Correct 19 ms 36188 KB Output is correct
43 Correct 19 ms 36184 KB Output is correct
44 Correct 31 ms 36184 KB Output is correct
45 Correct 19 ms 36188 KB Output is correct
46 Correct 28 ms 36180 KB Output is correct
47 Correct 14 ms 34648 KB Output is correct
48 Correct 27 ms 35164 KB Output is correct
49 Correct 18 ms 35708 KB Output is correct
50 Correct 18 ms 35676 KB Output is correct
51 Correct 17 ms 35164 KB Output is correct
52 Correct 19 ms 35164 KB Output is correct
53 Correct 17 ms 36188 KB Output is correct
54 Correct 120 ms 53748 KB Output is correct
55 Correct 600 ms 102224 KB Output is correct
56 Correct 905 ms 142932 KB Output is correct
57 Incorrect 897 ms 142164 KB Output isn't correct
58 Halted 0 ms 0 KB -

Subtask #6
0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 31832 KB Output is correct
2 Correct 4 ms 31836 KB Output is correct
3 Correct 3 ms 31836 KB Output is correct
4 Correct 4 ms 31836 KB Output is correct
5 Correct 4 ms 31836 KB Output is correct
6 Correct 4 ms 31836 KB Output is correct
7 Correct 5 ms 31828 KB Output is correct
8 Correct 4 ms 31844 KB Output is correct
9 Correct 4 ms 31836 KB Output is correct
10 Correct 4 ms 32088 KB Output is correct
11 Correct 4 ms 31836 KB Output is correct
12 Correct 4 ms 31864 KB Output is correct
13 Correct 2588 ms 273748 KB Output is correct
14 Execution timed out 3063 ms 314692 KB Time limit exceeded
15 Halted 0 ms 0 KB -