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답안 #775316

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
775316 2023-07-06T09:37:06 Z CDuong Copy and Paste 3 (JOI22_copypaste3) C++17
100 / 100
 724 ms 49820 KB 
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,fma,bmi,bmi2,sse4.2,popcnt,lzcnt")


#include <bits/stdc++.h>
#define taskname ""
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define int long long
#define ll long long
#define ld long double
#define pb push_back
#define ff first
#define ss second
#define pii pair<int, int>
#define vi vector<int>
#define vii vector<pii>
#define isz(x) (int)x.size()
using namespace std;

const int mxN = 2e5 + 5;
const int mod[] = {1000000007, 100000009};
const int base = 31;
const ll oo = 1e18;

string s;
int n, a, b, c, dp[2505][2505];

int hsh[2505][2], power[2505][2];

void gen_hash() {
    power[0][0] = power[0][1] = 1;
    for(int i = 1; i <= n; ++i) {
        for(int j = 0; j < 2; ++j) {
            hsh[i][j] = (hsh[i - 1][j] * base + s[i] - 'a') % mod[j];
            power[i][j] = power[i - 1][j] * base % mod[j];
        }
    }
}

array<int, 2> get_hash(int l, int r) {
    array<int, 2> res;
    for(int i = 0; i < 2; ++i) {
        res[i] = hsh[r][i];
        res[i] -= hsh[l - 1][i] * power[r - l + 1][i] % mod[i];
        res[i] = res[i] < 0 ? res[i] + mod[i] : res[i];
    }
    return res;
}

void solve() {
    cin >> n >> s >> a >> b >> c;

    memset(dp, 0x3f, sizeof dp);

    s = " " + s;
    for(int i = 1; i <= n; ++i)
        dp[i][i] = a;
    gen_hash();

    for(int len = 1; len <= n; ++len) {
        map<array<int, 2>, vi> mp;
        vi nxt(n - len + 2);

        for(int l = 1; l + len - 1 <= n; ++l) {
            int r = l + len - 1; mp[get_hash(l, r)].emplace_back(l);
            dp[l][r] = min({dp[l][r], dp[l][r - 1] + a, dp[l + 1][r] + a});
        }

        for(auto &[val_hash, v] : mp) {
            int sz = isz(v), idx = 0;
            for(int tmp : v) {
                while(idx < sz && v[idx] < tmp + len) ++idx;
                nxt[tmp] = (idx == sz ? 0 : v[idx]);
            }
        }

        for(int l = 1; l + len - 1 <= n; ++l) {
            int idx = nxt[l], val = dp[l][l + len - 1], cnt = 1;
            while(idx) {
                int idx_r = idx + len - 1; ++cnt, idx = nxt[idx];
                dp[l][idx_r] = min(dp[l][idx_r], val + b + c * cnt + a * (idx_r - l + 1 - cnt * len));
            }
        }
    }

    cout << dp[1][n] << endl;
}

signed main() {

#ifndef CDuongg
    if(fopen(taskname".inp", "r"))
        assert(freopen(taskname".inp", "r", stdin)), assert(freopen(taskname".out", "w", stdout));
#else
    freopen("bai3.inp", "r", stdin);
    freopen("bai3.out", "w", stdout);
    auto start = chrono::high_resolution_clock::now();
#endif

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int t = 1; //cin >> t;
    while(t--) solve();

#ifdef CDuongg
    auto end = chrono::high_resolution_clock::now();
    cout << "\n"; for(int i = 1; i <= 100; ++i) cout << '=';
    cout << "\nExecution time: " << chrono::duration_cast<chrono::milliseconds> (end - start).count() << "[ms]" << endl;
#endif

}

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 49364 KB Output is correct
2 Correct 17 ms 49372 KB Output is correct
3 Correct 18 ms 49352 KB Output is correct
4 Correct 21 ms 49376 KB Output is correct
5 Correct 18 ms 49428 KB Output is correct
6 Correct 16 ms 49360 KB Output is correct
7 Correct 18 ms 49380 KB Output is correct
8 Correct 20 ms 49376 KB Output is correct
9 Correct 19 ms 49360 KB Output is correct
10 Correct 16 ms 49444 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 49356 KB Output is correct
2 Correct 16 ms 49364 KB Output is correct
3 Correct 173 ms 49532 KB Output is correct
4 Correct 139 ms 49492 KB Output is correct
5 Correct 190 ms 49572 KB Output is correct
6 Correct 218 ms 49576 KB Output is correct
7 Correct 332 ms 49584 KB Output is correct
8 Correct 281 ms 49580 KB Output is correct
9 Correct 321 ms 49580 KB Output is correct
10 Correct 19 ms 49424 KB Output is correct
11 Correct 19 ms 49328 KB Output is correct
12 Correct 19 ms 49416 KB Output is correct
13 Correct 18 ms 49448 KB Output is correct
14 Correct 19 ms 49372 KB Output is correct
15 Correct 21 ms 49384 KB Output is correct
16 Correct 21 ms 49312 KB Output is correct
17 Correct 21 ms 49364 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 49364 KB Output is correct
2 Correct 17 ms 49372 KB Output is correct
3 Correct 18 ms 49352 KB Output is correct
4 Correct 21 ms 49376 KB Output is correct
5 Correct 18 ms 49428 KB Output is correct
6 Correct 16 ms 49360 KB Output is correct
7 Correct 18 ms 49380 KB Output is correct
8 Correct 20 ms 49376 KB Output is correct
9 Correct 19 ms 49360 KB Output is correct
10 Correct 16 ms 49444 KB Output is correct
11 Correct 20 ms 49452 KB Output is correct
12 Correct 17 ms 49364 KB Output is correct
13 Correct 21 ms 49364 KB Output is correct
14 Correct 18 ms 49344 KB Output is correct
15 Correct 20 ms 49364 KB Output is correct
16 Correct 17 ms 49428 KB Output is correct
17 Correct 22 ms 49404 KB Output is correct
18 Correct 19 ms 49352 KB Output is correct
19 Correct 18 ms 49364 KB Output is correct
20 Correct 17 ms 49392 KB Output is correct
21 Correct 18 ms 49344 KB Output is correct
22 Correct 18 ms 49412 KB Output is correct
23 Correct 17 ms 49364 KB Output is correct
24 Correct 19 ms 49364 KB Output is correct
25 Correct 19 ms 49364 KB Output is correct
26 Correct 19 ms 49444 KB Output is correct
27 Correct 18 ms 49352 KB Output is correct
28 Correct 18 ms 49424 KB Output is correct
29 Correct 18 ms 49396 KB Output is correct
30 Correct 18 ms 49364 KB Output is correct
31 Correct 17 ms 49408 KB Output is correct
32 Correct 17 ms 49404 KB Output is correct
33 Correct 17 ms 49424 KB Output is correct
34 Correct 17 ms 49372 KB Output is correct
35 Correct 16 ms 49364 KB Output is correct
36 Correct 20 ms 49448 KB Output is correct
37 Correct 20 ms 49356 KB Output is correct
38 Correct 19 ms 49364 KB Output is correct
39 Correct 21 ms 49384 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 49364 KB Output is correct
2 Correct 17 ms 49372 KB Output is correct
3 Correct 18 ms 49352 KB Output is correct
4 Correct 21 ms 49376 KB Output is correct
5 Correct 18 ms 49428 KB Output is correct
6 Correct 16 ms 49360 KB Output is correct
7 Correct 18 ms 49380 KB Output is correct
8 Correct 20 ms 49376 KB Output is correct
9 Correct 19 ms 49360 KB Output is correct
10 Correct 16 ms 49444 KB Output is correct
11 Correct 20 ms 49452 KB Output is correct
12 Correct 17 ms 49364 KB Output is correct
13 Correct 21 ms 49364 KB Output is correct
14 Correct 18 ms 49344 KB Output is correct
15 Correct 20 ms 49364 KB Output is correct
16 Correct 17 ms 49428 KB Output is correct
17 Correct 22 ms 49404 KB Output is correct
18 Correct 19 ms 49352 KB Output is correct
19 Correct 18 ms 49364 KB Output is correct
20 Correct 17 ms 49392 KB Output is correct
21 Correct 18 ms 49344 KB Output is correct
22 Correct 18 ms 49412 KB Output is correct
23 Correct 17 ms 49364 KB Output is correct
24 Correct 19 ms 49364 KB Output is correct
25 Correct 19 ms 49364 KB Output is correct
26 Correct 19 ms 49444 KB Output is correct
27 Correct 18 ms 49352 KB Output is correct
28 Correct 18 ms 49424 KB Output is correct
29 Correct 18 ms 49396 KB Output is correct
30 Correct 18 ms 49364 KB Output is correct
31 Correct 17 ms 49408 KB Output is correct
32 Correct 17 ms 49404 KB Output is correct
33 Correct 17 ms 49424 KB Output is correct
34 Correct 17 ms 49372 KB Output is correct
35 Correct 16 ms 49364 KB Output is correct
36 Correct 20 ms 49448 KB Output is correct
37 Correct 20 ms 49356 KB Output is correct
38 Correct 19 ms 49364 KB Output is correct
39 Correct 21 ms 49384 KB Output is correct
40 Correct 19 ms 49364 KB Output is correct
41 Correct 19 ms 49492 KB Output is correct
42 Correct 22 ms 49436 KB Output is correct
43 Correct 21 ms 49504 KB Output is correct
44 Correct 22 ms 49480 KB Output is correct
45 Correct 22 ms 49480 KB Output is correct
46 Correct 22 ms 49388 KB Output is correct
47 Correct 21 ms 49404 KB Output is correct
48 Correct 21 ms 49372 KB Output is correct
49 Correct 22 ms 49384 KB Output is correct
50 Correct 23 ms 49388 KB Output is correct
51 Correct 22 ms 49388 KB Output is correct
52 Correct 22 ms 49420 KB Output is correct
53 Correct 24 ms 49492 KB Output is correct

Subtask #5
32.0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 49364 KB Output is correct
2 Correct 17 ms 49372 KB Output is correct
3 Correct 18 ms 49352 KB Output is correct
4 Correct 21 ms 49376 KB Output is correct
5 Correct 18 ms 49428 KB Output is correct
6 Correct 16 ms 49360 KB Output is correct
7 Correct 18 ms 49380 KB Output is correct
8 Correct 20 ms 49376 KB Output is correct
9 Correct 19 ms 49360 KB Output is correct
10 Correct 16 ms 49444 KB Output is correct
11 Correct 20 ms 49452 KB Output is correct
12 Correct 17 ms 49364 KB Output is correct
13 Correct 21 ms 49364 KB Output is correct
14 Correct 18 ms 49344 KB Output is correct
15 Correct 20 ms 49364 KB Output is correct
16 Correct 17 ms 49428 KB Output is correct
17 Correct 22 ms 49404 KB Output is correct
18 Correct 19 ms 49352 KB Output is correct
19 Correct 18 ms 49364 KB Output is correct
20 Correct 17 ms 49392 KB Output is correct
21 Correct 18 ms 49344 KB Output is correct
22 Correct 18 ms 49412 KB Output is correct
23 Correct 17 ms 49364 KB Output is correct
24 Correct 19 ms 49364 KB Output is correct
25 Correct 19 ms 49364 KB Output is correct
26 Correct 19 ms 49444 KB Output is correct
27 Correct 18 ms 49352 KB Output is correct
28 Correct 18 ms 49424 KB Output is correct
29 Correct 18 ms 49396 KB Output is correct
30 Correct 18 ms 49364 KB Output is correct
31 Correct 17 ms 49408 KB Output is correct
32 Correct 17 ms 49404 KB Output is correct
33 Correct 17 ms 49424 KB Output is correct
34 Correct 17 ms 49372 KB Output is correct
35 Correct 16 ms 49364 KB Output is correct
36 Correct 20 ms 49448 KB Output is correct
37 Correct 20 ms 49356 KB Output is correct
38 Correct 19 ms 49364 KB Output is correct
39 Correct 21 ms 49384 KB Output is correct
40 Correct 19 ms 49364 KB Output is correct
41 Correct 19 ms 49492 KB Output is correct
42 Correct 22 ms 49436 KB Output is correct
43 Correct 21 ms 49504 KB Output is correct
44 Correct 22 ms 49480 KB Output is correct
45 Correct 22 ms 49480 KB Output is correct
46 Correct 22 ms 49388 KB Output is correct
47 Correct 21 ms 49404 KB Output is correct
48 Correct 21 ms 49372 KB Output is correct
49 Correct 22 ms 49384 KB Output is correct
50 Correct 23 ms 49388 KB Output is correct
51 Correct 22 ms 49388 KB Output is correct
52 Correct 22 ms 49420 KB Output is correct
53 Correct 24 ms 49492 KB Output is correct
54 Correct 39 ms 49504 KB Output is correct
55 Correct 38 ms 49400 KB Output is correct
56 Correct 121 ms 49600 KB Output is correct
57 Correct 123 ms 49600 KB Output is correct
58 Correct 119 ms 49592 KB Output is correct
59 Correct 119 ms 49524 KB Output is correct
60 Correct 119 ms 49592 KB Output is correct
61 Correct 93 ms 49516 KB Output is correct
62 Correct 38 ms 49512 KB Output is correct
63 Correct 107 ms 49544 KB Output is correct
64 Correct 117 ms 49552 KB Output is correct
65 Correct 94 ms 49520 KB Output is correct
66 Correct 93 ms 49416 KB Output is correct
67 Correct 118 ms 49592 KB Output is correct

Subtask #6
38.0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 49364 KB Output is correct
2 Correct 17 ms 49372 KB Output is correct
3 Correct 18 ms 49352 KB Output is correct
4 Correct 21 ms 49376 KB Output is correct
5 Correct 18 ms 49428 KB Output is correct
6 Correct 16 ms 49360 KB Output is correct
7 Correct 18 ms 49380 KB Output is correct
8 Correct 20 ms 49376 KB Output is correct
9 Correct 19 ms 49360 KB Output is correct
10 Correct 16 ms 49444 KB Output is correct
11 Correct 16 ms 49356 KB Output is correct
12 Correct 16 ms 49364 KB Output is correct
13 Correct 173 ms 49532 KB Output is correct
14 Correct 139 ms 49492 KB Output is correct
15 Correct 190 ms 49572 KB Output is correct
16 Correct 218 ms 49576 KB Output is correct
17 Correct 332 ms 49584 KB Output is correct
18 Correct 281 ms 49580 KB Output is correct
19 Correct 321 ms 49580 KB Output is correct
20 Correct 19 ms 49424 KB Output is correct
21 Correct 19 ms 49328 KB Output is correct
22 Correct 19 ms 49416 KB Output is correct
23 Correct 18 ms 49448 KB Output is correct
24 Correct 19 ms 49372 KB Output is correct
25 Correct 21 ms 49384 KB Output is correct
26 Correct 21 ms 49312 KB Output is correct
27 Correct 21 ms 49364 KB Output is correct
28 Correct 20 ms 49452 KB Output is correct
29 Correct 17 ms 49364 KB Output is correct
30 Correct 21 ms 49364 KB Output is correct
31 Correct 18 ms 49344 KB Output is correct
32 Correct 20 ms 49364 KB Output is correct
33 Correct 17 ms 49428 KB Output is correct
34 Correct 22 ms 49404 KB Output is correct
35 Correct 19 ms 49352 KB Output is correct
36 Correct 18 ms 49364 KB Output is correct
37 Correct 17 ms 49392 KB Output is correct
38 Correct 18 ms 49344 KB Output is correct
39 Correct 18 ms 49412 KB Output is correct
40 Correct 17 ms 49364 KB Output is correct
41 Correct 19 ms 49364 KB Output is correct
42 Correct 19 ms 49364 KB Output is correct
43 Correct 19 ms 49444 KB Output is correct
44 Correct 18 ms 49352 KB Output is correct
45 Correct 18 ms 49424 KB Output is correct
46 Correct 18 ms 49396 KB Output is correct
47 Correct 18 ms 49364 KB Output is correct
48 Correct 17 ms 49408 KB Output is correct
49 Correct 17 ms 49404 KB Output is correct
50 Correct 17 ms 49424 KB Output is correct
51 Correct 17 ms 49372 KB Output is correct
52 Correct 16 ms 49364 KB Output is correct
53 Correct 20 ms 49448 KB Output is correct
54 Correct 20 ms 49356 KB Output is correct
55 Correct 19 ms 49364 KB Output is correct
56 Correct 21 ms 49384 KB Output is correct
57 Correct 19 ms 49364 KB Output is correct
58 Correct 19 ms 49492 KB Output is correct
59 Correct 22 ms 49436 KB Output is correct
60 Correct 21 ms 49504 KB Output is correct
61 Correct 22 ms 49480 KB Output is correct
62 Correct 22 ms 49480 KB Output is correct
63 Correct 22 ms 49388 KB Output is correct
64 Correct 21 ms 49404 KB Output is correct
65 Correct 21 ms 49372 KB Output is correct
66 Correct 22 ms 49384 KB Output is correct
67 Correct 23 ms 49388 KB Output is correct
68 Correct 22 ms 49388 KB Output is correct
69 Correct 22 ms 49420 KB Output is correct
70 Correct 24 ms 49492 KB Output is correct
71 Correct 39 ms 49504 KB Output is correct
72 Correct 38 ms 49400 KB Output is correct
73 Correct 121 ms 49600 KB Output is correct
74 Correct 123 ms 49600 KB Output is correct
75 Correct 119 ms 49592 KB Output is correct
76 Correct 119 ms 49524 KB Output is correct
77 Correct 119 ms 49592 KB Output is correct
78 Correct 93 ms 49516 KB Output is correct
79 Correct 38 ms 49512 KB Output is correct
80 Correct 107 ms 49544 KB Output is correct
81 Correct 117 ms 49552 KB Output is correct
82 Correct 94 ms 49520 KB Output is correct
83 Correct 93 ms 49416 KB Output is correct
84 Correct 118 ms 49592 KB Output is correct
85 Correct 289 ms 49800 KB Output is correct
86 Correct 724 ms 49816 KB Output is correct
87 Correct 714 ms 49816 KB Output is correct
88 Correct 691 ms 49820 KB Output is correct
89 Correct 695 ms 49812 KB Output is correct
90 Correct 699 ms 49816 KB Output is correct
91 Correct 297 ms 49492 KB Output is correct
92 Correct 252 ms 49576 KB Output is correct
93 Correct 606 ms 49676 KB Output is correct
94 Correct 638 ms 49804 KB Output is correct
95 Correct 582 ms 49616 KB Output is correct
96 Correct 597 ms 49644 KB Output is correct
97 Correct 679 ms 49748 KB Output is correct