oj.uz

Submission #775301

# Submission time Handle Problem Language Result Execution time Memory
775301 2023-07-06T09:32:37 Z CDuong Copy and Paste 3 (JOI22_copypaste3) C++17
30 / 100
 282 ms 49612 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 = 998244353;
const int base = 31;
const ll oo = 1e18;

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

int hsh[2505], power[2505];

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

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

# Verdict Execution time Memory Grader output
1 Correct 20 ms 49388 KB Output is correct
2 Correct 19 ms 49432 KB Output is correct
3 Correct 19 ms 49364 KB Output is correct
4 Correct 19 ms 49364 KB Output is correct
5 Correct 19 ms 49352 KB Output is correct
6 Correct 19 ms 49416 KB Output is correct
7 Correct 20 ms 49440 KB Output is correct
8 Correct 19 ms 49344 KB Output is correct
9 Correct 20 ms 49320 KB Output is correct
10 Correct 19 ms 49392 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 49376 KB Output is correct
2 Correct 19 ms 49388 KB Output is correct
3 Correct 119 ms 49508 KB Output is correct
4 Correct 148 ms 49512 KB Output is correct
5 Correct 162 ms 49528 KB Output is correct
6 Correct 223 ms 49492 KB Output is correct
7 Correct 246 ms 49544 KB Output is correct
8 Correct 282 ms 49540 KB Output is correct
9 Correct 265 ms 49612 KB Output is correct
10 Correct 19 ms 49364 KB Output is correct
11 Correct 20 ms 49352 KB Output is correct
12 Correct 20 ms 49364 KB Output is correct
13 Correct 20 ms 49304 KB Output is correct
14 Correct 20 ms 49400 KB Output is correct
15 Correct 21 ms 49408 KB Output is correct
16 Correct 20 ms 49400 KB Output is correct
17 Correct 22 ms 49364 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 49388 KB Output is correct
2 Correct 19 ms 49432 KB Output is correct
3 Correct 19 ms 49364 KB Output is correct
4 Correct 19 ms 49364 KB Output is correct
5 Correct 19 ms 49352 KB Output is correct
6 Correct 19 ms 49416 KB Output is correct
7 Correct 20 ms 49440 KB Output is correct
8 Correct 19 ms 49344 KB Output is correct
9 Correct 20 ms 49320 KB Output is correct
10 Correct 19 ms 49392 KB Output is correct
11 Correct 21 ms 49328 KB Output is correct
12 Correct 23 ms 49428 KB Output is correct
13 Correct 19 ms 49344 KB Output is correct
14 Correct 19 ms 49384 KB Output is correct
15 Correct 20 ms 49408 KB Output is correct
16 Correct 19 ms 49364 KB Output is correct
17 Correct 20 ms 49316 KB Output is correct
18 Correct 19 ms 49364 KB Output is correct
19 Correct 20 ms 49364 KB Output is correct
20 Correct 23 ms 49364 KB Output is correct
21 Correct 20 ms 49340 KB Output is correct
22 Correct 19 ms 49364 KB Output is correct
23 Correct 20 ms 49428 KB Output is correct
24 Correct 25 ms 49340 KB Output is correct
25 Correct 20 ms 49384 KB Output is correct
26 Correct 24 ms 49444 KB Output is correct
27 Correct 19 ms 49368 KB Output is correct
28 Correct 20 ms 49432 KB Output is correct
29 Correct 20 ms 49364 KB Output is correct
30 Correct 19 ms 49364 KB Output is correct
31 Correct 19 ms 49388 KB Output is correct
32 Correct 20 ms 49428 KB Output is correct
33 Correct 20 ms 49364 KB Output is correct
34 Correct 20 ms 49356 KB Output is correct
35 Correct 20 ms 49344 KB Output is correct
36 Correct 22 ms 49364 KB Output is correct
37 Correct 22 ms 49364 KB Output is correct
38 Correct 21 ms 49364 KB Output is correct
39 Correct 19 ms 49364 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 49388 KB Output is correct
2 Correct 19 ms 49432 KB Output is correct
3 Correct 19 ms 49364 KB Output is correct
4 Correct 19 ms 49364 KB Output is correct
5 Correct 19 ms 49352 KB Output is correct
6 Correct 19 ms 49416 KB Output is correct
7 Correct 20 ms 49440 KB Output is correct
8 Correct 19 ms 49344 KB Output is correct
9 Correct 20 ms 49320 KB Output is correct
10 Correct 19 ms 49392 KB Output is correct
11 Correct 21 ms 49328 KB Output is correct
12 Correct 23 ms 49428 KB Output is correct
13 Correct 19 ms 49344 KB Output is correct
14 Correct 19 ms 49384 KB Output is correct
15 Correct 20 ms 49408 KB Output is correct
16 Correct 19 ms 49364 KB Output is correct
17 Correct 20 ms 49316 KB Output is correct
18 Correct 19 ms 49364 KB Output is correct
19 Correct 20 ms 49364 KB Output is correct
20 Correct 23 ms 49364 KB Output is correct
21 Correct 20 ms 49340 KB Output is correct
22 Correct 19 ms 49364 KB Output is correct
23 Correct 20 ms 49428 KB Output is correct
24 Correct 25 ms 49340 KB Output is correct
25 Correct 20 ms 49384 KB Output is correct
26 Correct 24 ms 49444 KB Output is correct
27 Correct 19 ms 49368 KB Output is correct
28 Correct 20 ms 49432 KB Output is correct
29 Correct 20 ms 49364 KB Output is correct
30 Correct 19 ms 49364 KB Output is correct
31 Correct 19 ms 49388 KB Output is correct
32 Correct 20 ms 49428 KB Output is correct
33 Correct 20 ms 49364 KB Output is correct
34 Correct 20 ms 49356 KB Output is correct
35 Correct 20 ms 49344 KB Output is correct
36 Correct 22 ms 49364 KB Output is correct
37 Correct 22 ms 49364 KB Output is correct
38 Correct 21 ms 49364 KB Output is correct
39 Correct 19 ms 49364 KB Output is correct
40 Correct 19 ms 49340 KB Output is correct
41 Correct 20 ms 49412 KB Output is correct
42 Correct 22 ms 49384 KB Output is correct
43 Correct 27 ms 49356 KB Output is correct
44 Correct 23 ms 49476 KB Output is correct
45 Correct 23 ms 49460 KB Output is correct
46 Correct 23 ms 49468 KB Output is correct
47 Correct 22 ms 49424 KB Output is correct
48 Correct 22 ms 49452 KB Output is correct
49 Correct 22 ms 49472 KB Output is correct
50 Correct 22 ms 49380 KB Output is correct
51 Correct 22 ms 49492 KB Output is correct
52 Correct 22 ms 49452 KB Output is correct
53 Correct 23 ms 49468 KB Output is correct

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 49388 KB Output is correct
2 Correct 19 ms 49432 KB Output is correct
3 Correct 19 ms 49364 KB Output is correct
4 Correct 19 ms 49364 KB Output is correct
5 Correct 19 ms 49352 KB Output is correct
6 Correct 19 ms 49416 KB Output is correct
7 Correct 20 ms 49440 KB Output is correct
8 Correct 19 ms 49344 KB Output is correct
9 Correct 20 ms 49320 KB Output is correct
10 Correct 19 ms 49392 KB Output is correct
11 Correct 21 ms 49328 KB Output is correct
12 Correct 23 ms 49428 KB Output is correct
13 Correct 19 ms 49344 KB Output is correct
14 Correct 19 ms 49384 KB Output is correct
15 Correct 20 ms 49408 KB Output is correct
16 Correct 19 ms 49364 KB Output is correct
17 Correct 20 ms 49316 KB Output is correct
18 Correct 19 ms 49364 KB Output is correct
19 Correct 20 ms 49364 KB Output is correct
20 Correct 23 ms 49364 KB Output is correct
21 Correct 20 ms 49340 KB Output is correct
22 Correct 19 ms 49364 KB Output is correct
23 Correct 20 ms 49428 KB Output is correct
24 Correct 25 ms 49340 KB Output is correct
25 Correct 20 ms 49384 KB Output is correct
26 Correct 24 ms 49444 KB Output is correct
27 Correct 19 ms 49368 KB Output is correct
28 Correct 20 ms 49432 KB Output is correct
29 Correct 20 ms 49364 KB Output is correct
30 Correct 19 ms 49364 KB Output is correct
31 Correct 19 ms 49388 KB Output is correct
32 Correct 20 ms 49428 KB Output is correct
33 Correct 20 ms 49364 KB Output is correct
34 Correct 20 ms 49356 KB Output is correct
35 Correct 20 ms 49344 KB Output is correct
36 Correct 22 ms 49364 KB Output is correct
37 Correct 22 ms 49364 KB Output is correct
38 Correct 21 ms 49364 KB Output is correct
39 Correct 19 ms 49364 KB Output is correct
40 Correct 19 ms 49340 KB Output is correct
41 Correct 20 ms 49412 KB Output is correct
42 Correct 22 ms 49384 KB Output is correct
43 Correct 27 ms 49356 KB Output is correct
44 Correct 23 ms 49476 KB Output is correct
45 Correct 23 ms 49460 KB Output is correct
46 Correct 23 ms 49468 KB Output is correct
47 Correct 22 ms 49424 KB Output is correct
48 Correct 22 ms 49452 KB Output is correct
49 Correct 22 ms 49472 KB Output is correct
50 Correct 22 ms 49380 KB Output is correct
51 Correct 22 ms 49492 KB Output is correct
52 Correct 22 ms 49452 KB Output is correct
53 Correct 23 ms 49468 KB Output is correct
54 Correct 44 ms 49424 KB Output is correct
55 Correct 32 ms 49468 KB Output is correct
56 Correct 112 ms 49576 KB Output is correct
57 Correct 118 ms 49492 KB Output is correct
58 Correct 110 ms 49576 KB Output is correct
59 Correct 107 ms 49576 KB Output is correct
60 Incorrect 106 ms 49492 KB Output isn't correct
61 Halted 0 ms 0 KB -

Subtask #6
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 49388 KB Output is correct
2 Correct 19 ms 49432 KB Output is correct
3 Correct 19 ms 49364 KB Output is correct
4 Correct 19 ms 49364 KB Output is correct
5 Correct 19 ms 49352 KB Output is correct
6 Correct 19 ms 49416 KB Output is correct
7 Correct 20 ms 49440 KB Output is correct
8 Correct 19 ms 49344 KB Output is correct
9 Correct 20 ms 49320 KB Output is correct
10 Correct 19 ms 49392 KB Output is correct
11 Correct 18 ms 49376 KB Output is correct
12 Correct 19 ms 49388 KB Output is correct
13 Correct 119 ms 49508 KB Output is correct
14 Correct 148 ms 49512 KB Output is correct
15 Correct 162 ms 49528 KB Output is correct
16 Correct 223 ms 49492 KB Output is correct
17 Correct 246 ms 49544 KB Output is correct
18 Correct 282 ms 49540 KB Output is correct
19 Correct 265 ms 49612 KB Output is correct
20 Correct 19 ms 49364 KB Output is correct
21 Correct 20 ms 49352 KB Output is correct
22 Correct 20 ms 49364 KB Output is correct
23 Correct 20 ms 49304 KB Output is correct
24 Correct 20 ms 49400 KB Output is correct
25 Correct 21 ms 49408 KB Output is correct
26 Correct 20 ms 49400 KB Output is correct
27 Correct 22 ms 49364 KB Output is correct
28 Correct 21 ms 49328 KB Output is correct
29 Correct 23 ms 49428 KB Output is correct
30 Correct 19 ms 49344 KB Output is correct
31 Correct 19 ms 49384 KB Output is correct
32 Correct 20 ms 49408 KB Output is correct
33 Correct 19 ms 49364 KB Output is correct
34 Correct 20 ms 49316 KB Output is correct
35 Correct 19 ms 49364 KB Output is correct
36 Correct 20 ms 49364 KB Output is correct
37 Correct 23 ms 49364 KB Output is correct
38 Correct 20 ms 49340 KB Output is correct
39 Correct 19 ms 49364 KB Output is correct
40 Correct 20 ms 49428 KB Output is correct
41 Correct 25 ms 49340 KB Output is correct
42 Correct 20 ms 49384 KB Output is correct
43 Correct 24 ms 49444 KB Output is correct
44 Correct 19 ms 49368 KB Output is correct
45 Correct 20 ms 49432 KB Output is correct
46 Correct 20 ms 49364 KB Output is correct
47 Correct 19 ms 49364 KB Output is correct
48 Correct 19 ms 49388 KB Output is correct
49 Correct 20 ms 49428 KB Output is correct
50 Correct 20 ms 49364 KB Output is correct
51 Correct 20 ms 49356 KB Output is correct
52 Correct 20 ms 49344 KB Output is correct
53 Correct 22 ms 49364 KB Output is correct
54 Correct 22 ms 49364 KB Output is correct
55 Correct 21 ms 49364 KB Output is correct
56 Correct 19 ms 49364 KB Output is correct
57 Correct 19 ms 49340 KB Output is correct
58 Correct 20 ms 49412 KB Output is correct
59 Correct 22 ms 49384 KB Output is correct
60 Correct 27 ms 49356 KB Output is correct
61 Correct 23 ms 49476 KB Output is correct
62 Correct 23 ms 49460 KB Output is correct
63 Correct 23 ms 49468 KB Output is correct
64 Correct 22 ms 49424 KB Output is correct
65 Correct 22 ms 49452 KB Output is correct
66 Correct 22 ms 49472 KB Output is correct
67 Correct 22 ms 49380 KB Output is correct
68 Correct 22 ms 49492 KB Output is correct
69 Correct 22 ms 49452 KB Output is correct
70 Correct 23 ms 49468 KB Output is correct
71 Correct 44 ms 49424 KB Output is correct
72 Correct 32 ms 49468 KB Output is correct
73 Correct 112 ms 49576 KB Output is correct
74 Correct 118 ms 49492 KB Output is correct
75 Correct 110 ms 49576 KB Output is correct
76 Correct 107 ms 49576 KB Output is correct
77 Incorrect 106 ms 49492 KB Output isn't correct
78 Halted 0 ms 0 KB -