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답안 #951794

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
951794 2024-03-22T16:15:34 Z EJIC_B_KEDAX Copy and Paste 3 (JOI22_copypaste3) C++17
57 / 100
 2356 ms 576972 KB 
#ifdef LOCAL
    #define _GLIBCXX_DEBUG
#endif
#include <bits/stdc++.h>

#ifndef LOCAL
    // #pragma GCC optimize("O3")
    // #pragma GCC optimize("Ofast")
    // #pragma GCC optimize("unroll-loops")
    // #pragma GCC target("avx,avx2,bmi,bmi2,popcnt,lzcnt")
#endif
using namespace std;
using ll = long long;
using ld = long double;
#define x first
#define y second
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()

mt19937_64 mt(time(0));

void solve();
void init();

int32_t main() {
#ifndef LOCAL
    cin.tie(nullptr)->sync_with_stdio(false);
#endif
    cout << fixed << setprecision(30);
    init();
    int t = 1;
    // cin >> t;
    while (t--) {
        solve();
    }
}

const int N = 2525, mod = 1000000321, p = 31;
ll dp[N][N], mem[N][N];
int to[N][N], nw[N][N], hsh[N], pdeg[N], pinv[N];
vector<pair<int, int>> upd[N];

int add(int a, int b) {
    return a + b >= mod ? a + b - mod : a + b;
}

int sub(int a, int b) {
    return a >= b ? a - b : a - b + mod;
}

int mul(int a, int b) {
    return 1ll * a * b % mod;
}

int bin_pow(int a, int x) {
    int res = 1;
    while (x) {
        if (x & 1) {
            res = mul(res, a);
        }
        a = mul(a, a);
        x >>= 1;
    }
    return res;
}

int inv(int a) {
    return bin_pow(a, mod - 2);
}

void init() {
    pdeg[0] = 1;
    pdeg[1] = p;
    pinv[0] = 1;
    pinv[1] = inv(p);
    for (int i = 2; i < N; i++) {
        pdeg[i] = mul(pdeg[i - 1], p);
        pinv[i] = mul(pinv[i - 1], pinv[1]);
    }
}

int get_hash(int l, int r) {
    return mul(sub(hsh[r + 1], hsh[l]), pinv[l]);
}

struct segment_tree {
    vector<ll> st;
    int size;
    segment_tree(int sz = N) {
        st.resize(2 * sz, 0);
        size = sz;
    }
    void add(int i, ll v) {
        i += size;
        st[i] += v;
        i >>= 1;
        while (i) {
            st[i] = min(st[2 * i], st[2 * i + 1]);
            i >>= 1;
        }
    }
    ll get_min(int l, int r) {
        l += size;
        r += size;
        ll res = INT64_MAX;
        while (l <= r) {
            if (l & 1) {
                res = min(res, st[l++]);
            }
            if (~r & 1) {
                res = min(res, st[r--]);
            }
            l >>= 1;
            r >>= 1;
        }
        return res;
    }
};

segment_tree st[N];

void solve() {
    int n;
    cin >> n;
    string s;
    cin >> s;
    int a, b, c;
    cin >> a >> b >> c;
    hsh[0] = 0;
    for (int i = 0; i < n; i++) {
        hsh[i + 1] = add(hsh[i], mul(s[i] - 'a' + 1, pdeg[i]));
        upd[i].reserve(40 * N);
    }
    for (int l = 0; l < n; l++) {
        unordered_map<int, int> mp;
        for (int i = 0; i < n - l; i++) {
            int j = i + l;
            int nw = get_hash(i, j);
            if (mp.find(nw) == mp.end()) {
                to[i][j] = -1;
            } else {
                to[i][j] = mp[nw];
            }
            if (i >= l) {
                mp[get_hash(i - l, i)] = i - l;
            }
        }
    }
    for (int i = 0; i < n; i++) {
        dp[i][i] = a;
        // save[i][i] = b + c;
        st[i].add(i, b + c);
        nw[i][i] = to[i][i];
        if (to[i][i] != -1) {
            upd[i - to[i][i]].emplace_back(i, i);
        }
    }
    for (int l = 1; l < n; l++) {
        assert(upd[l].size() <= 20 * N);
        for (auto [i, j] : upd[l]) {
            int nxt = to[nw[i][j]][nw[i][j] + j - i];
            nw[i][j] = nxt;
            if (nxt >= 0) {
                upd[j - nxt].emplace_back(i, j);
            }
            // save[j][i] += b - 1ll * (j - i + 1) * a;
            // st[j].add(i, c - 1ll * (j - i + 1) * a);
            mem[j][i] += b - 1ll * (j - i + 1) * a;
        }
        for (auto [i, j] : upd[l]) {
            if (mem[j][i]) {
                st[j].add(i, c - 1ll * (j - i + 1) * a);
                mem[j][i] = 0;
            }
        }
        for (int i = 0; i < n - l; i++) {
            int j = i + l;
            dp[i][j] = min(1ll * (j - i + 1) * a + min(0ll, st[j].get_min(i + 1, j)), dp[i][j - 1] + a);
            st[j].add(i, dp[i][j] + b + c - 1ll * (j - i + 1) * a);
            nw[i][j] = to[i][j];
            if (nw[i][j] != -1) {
                upd[j - nw[i][j]].emplace_back(i, j);
            }
        }
    }
    // cout << to[3][3] << '\n';
    // for (int i = 0; i < n; i++) {
    //     for (int j = i; j < n; j++) {
    //         cout << dp[i][j] << ' ';
    //     }
    //     cout << '\n';
    // }
    cout << dp[0][n - 1] << '\n';
}

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 40 ms 108632 KB Output is correct
2 Correct 39 ms 108628 KB Output is correct
3 Correct 40 ms 108628 KB Output is correct
4 Correct 38 ms 108624 KB Output is correct
5 Correct 38 ms 108636 KB Output is correct
6 Correct 39 ms 106588 KB Output is correct
7 Correct 40 ms 106580 KB Output is correct
8 Correct 38 ms 108632 KB Output is correct
9 Correct 38 ms 108636 KB Output is correct
10 Correct 39 ms 108688 KB Output is correct

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 38 ms 108592 KB Output is correct
2 Correct 38 ms 108628 KB Output is correct
3 Correct 1248 ms 300368 KB Output is correct
4 Correct 1514 ms 326072 KB Output is correct
5 Correct 1911 ms 354392 KB Output is correct
6 Correct 2356 ms 381732 KB Output is correct
7 Runtime error 1791 ms 576972 KB Execution killed with signal 6
8 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 40 ms 108632 KB Output is correct
2 Correct 39 ms 108628 KB Output is correct
3 Correct 40 ms 108628 KB Output is correct
4 Correct 38 ms 108624 KB Output is correct
5 Correct 38 ms 108636 KB Output is correct
6 Correct 39 ms 106588 KB Output is correct
7 Correct 40 ms 106580 KB Output is correct
8 Correct 38 ms 108632 KB Output is correct
9 Correct 38 ms 108636 KB Output is correct
10 Correct 39 ms 108688 KB Output is correct
11 Correct 39 ms 108640 KB Output is correct
12 Correct 38 ms 108648 KB Output is correct
13 Correct 39 ms 108648 KB Output is correct
14 Correct 38 ms 108648 KB Output is correct
15 Correct 40 ms 108648 KB Output is correct
16 Correct 39 ms 108544 KB Output is correct
17 Correct 38 ms 108640 KB Output is correct
18 Correct 37 ms 104544 KB Output is correct
19 Correct 39 ms 108660 KB Output is correct
20 Correct 39 ms 108640 KB Output is correct
21 Correct 38 ms 108736 KB Output is correct
22 Correct 39 ms 108640 KB Output is correct
23 Correct 39 ms 108640 KB Output is correct
24 Correct 39 ms 108696 KB Output is correct
25 Correct 39 ms 108764 KB Output is correct
26 Correct 38 ms 108640 KB Output is correct
27 Correct 41 ms 108692 KB Output is correct
28 Correct 38 ms 108640 KB Output is correct
29 Correct 38 ms 108628 KB Output is correct
30 Correct 44 ms 108612 KB Output is correct
31 Correct 40 ms 108628 KB Output is correct
32 Correct 41 ms 108624 KB Output is correct
33 Correct 38 ms 108812 KB Output is correct
34 Correct 41 ms 104528 KB Output is correct
35 Correct 38 ms 108628 KB Output is correct
36 Correct 39 ms 108656 KB Output is correct
37 Correct 39 ms 108624 KB Output is correct
38 Correct 38 ms 108624 KB Output is correct
39 Correct 38 ms 108596 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 40 ms 108632 KB Output is correct
2 Correct 39 ms 108628 KB Output is correct
3 Correct 40 ms 108628 KB Output is correct
4 Correct 38 ms 108624 KB Output is correct
5 Correct 38 ms 108636 KB Output is correct
6 Correct 39 ms 106588 KB Output is correct
7 Correct 40 ms 106580 KB Output is correct
8 Correct 38 ms 108632 KB Output is correct
9 Correct 38 ms 108636 KB Output is correct
10 Correct 39 ms 108688 KB Output is correct
11 Correct 39 ms 108640 KB Output is correct
12 Correct 38 ms 108648 KB Output is correct
13 Correct 39 ms 108648 KB Output is correct
14 Correct 38 ms 108648 KB Output is correct
15 Correct 40 ms 108648 KB Output is correct
16 Correct 39 ms 108544 KB Output is correct
17 Correct 38 ms 108640 KB Output is correct
18 Correct 37 ms 104544 KB Output is correct
19 Correct 39 ms 108660 KB Output is correct
20 Correct 39 ms 108640 KB Output is correct
21 Correct 38 ms 108736 KB Output is correct
22 Correct 39 ms 108640 KB Output is correct
23 Correct 39 ms 108640 KB Output is correct
24 Correct 39 ms 108696 KB Output is correct
25 Correct 39 ms 108764 KB Output is correct
26 Correct 38 ms 108640 KB Output is correct
27 Correct 41 ms 108692 KB Output is correct
28 Correct 38 ms 108640 KB Output is correct
29 Correct 38 ms 108628 KB Output is correct
30 Correct 44 ms 108612 KB Output is correct
31 Correct 40 ms 108628 KB Output is correct
32 Correct 41 ms 108624 KB Output is correct
33 Correct 38 ms 108812 KB Output is correct
34 Correct 41 ms 104528 KB Output is correct
35 Correct 38 ms 108628 KB Output is correct
36 Correct 39 ms 108656 KB Output is correct
37 Correct 39 ms 108624 KB Output is correct
38 Correct 38 ms 108624 KB Output is correct
39 Correct 38 ms 108596 KB Output is correct
40 Correct 39 ms 113232 KB Output is correct
41 Correct 46 ms 120148 KB Output is correct
42 Correct 43 ms 119884 KB Output is correct
43 Correct 45 ms 119892 KB Output is correct
44 Correct 43 ms 119892 KB Output is correct
45 Correct 43 ms 119892 KB Output is correct
46 Correct 48 ms 120040 KB Output is correct
47 Correct 43 ms 119900 KB Output is correct
48 Correct 43 ms 120012 KB Output is correct
49 Correct 43 ms 119952 KB Output is correct
50 Correct 44 ms 119916 KB Output is correct
51 Correct 43 ms 119900 KB Output is correct
52 Correct 48 ms 120032 KB Output is correct
53 Correct 43 ms 119888 KB Output is correct

Subtask #5
32.0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 40 ms 108632 KB Output is correct
2 Correct 39 ms 108628 KB Output is correct
3 Correct 40 ms 108628 KB Output is correct
4 Correct 38 ms 108624 KB Output is correct
5 Correct 38 ms 108636 KB Output is correct
6 Correct 39 ms 106588 KB Output is correct
7 Correct 40 ms 106580 KB Output is correct
8 Correct 38 ms 108632 KB Output is correct
9 Correct 38 ms 108636 KB Output is correct
10 Correct 39 ms 108688 KB Output is correct
11 Correct 39 ms 108640 KB Output is correct
12 Correct 38 ms 108648 KB Output is correct
13 Correct 39 ms 108648 KB Output is correct
14 Correct 38 ms 108648 KB Output is correct
15 Correct 40 ms 108648 KB Output is correct
16 Correct 39 ms 108544 KB Output is correct
17 Correct 38 ms 108640 KB Output is correct
18 Correct 37 ms 104544 KB Output is correct
19 Correct 39 ms 108660 KB Output is correct
20 Correct 39 ms 108640 KB Output is correct
21 Correct 38 ms 108736 KB Output is correct
22 Correct 39 ms 108640 KB Output is correct
23 Correct 39 ms 108640 KB Output is correct
24 Correct 39 ms 108696 KB Output is correct
25 Correct 39 ms 108764 KB Output is correct
26 Correct 38 ms 108640 KB Output is correct
27 Correct 41 ms 108692 KB Output is correct
28 Correct 38 ms 108640 KB Output is correct
29 Correct 38 ms 108628 KB Output is correct
30 Correct 44 ms 108612 KB Output is correct
31 Correct 40 ms 108628 KB Output is correct
32 Correct 41 ms 108624 KB Output is correct
33 Correct 38 ms 108812 KB Output is correct
34 Correct 41 ms 104528 KB Output is correct
35 Correct 38 ms 108628 KB Output is correct
36 Correct 39 ms 108656 KB Output is correct
37 Correct 39 ms 108624 KB Output is correct
38 Correct 38 ms 108624 KB Output is correct
39 Correct 38 ms 108596 KB Output is correct
40 Correct 39 ms 113232 KB Output is correct
41 Correct 46 ms 120148 KB Output is correct
42 Correct 43 ms 119884 KB Output is correct
43 Correct 45 ms 119892 KB Output is correct
44 Correct 43 ms 119892 KB Output is correct
45 Correct 43 ms 119892 KB Output is correct
46 Correct 48 ms 120040 KB Output is correct
47 Correct 43 ms 119900 KB Output is correct
48 Correct 43 ms 120012 KB Output is correct
49 Correct 43 ms 119952 KB Output is correct
50 Correct 44 ms 119916 KB Output is correct
51 Correct 43 ms 119900 KB Output is correct
52 Correct 48 ms 120032 KB Output is correct
53 Correct 43 ms 119888 KB Output is correct
54 Correct 63 ms 135608 KB Output is correct
55 Correct 299 ms 189264 KB Output is correct
56 Correct 172 ms 171360 KB Output is correct
57 Correct 141 ms 169552 KB Output is correct
58 Correct 129 ms 169568 KB Output is correct
59 Correct 123 ms 169556 KB Output is correct
60 Correct 137 ms 169800 KB Output is correct
61 Correct 143 ms 170632 KB Output is correct
62 Correct 267 ms 185048 KB Output is correct
63 Correct 138 ms 170580 KB Output is correct
64 Correct 149 ms 170836 KB Output is correct
65 Correct 214 ms 177484 KB Output is correct
66 Correct 218 ms 177444 KB Output is correct
67 Correct 122 ms 169552 KB Output is correct

Subtask #6
0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 40 ms 108632 KB Output is correct
2 Correct 39 ms 108628 KB Output is correct
3 Correct 40 ms 108628 KB Output is correct
4 Correct 38 ms 108624 KB Output is correct
5 Correct 38 ms 108636 KB Output is correct
6 Correct 39 ms 106588 KB Output is correct
7 Correct 40 ms 106580 KB Output is correct
8 Correct 38 ms 108632 KB Output is correct
9 Correct 38 ms 108636 KB Output is correct
10 Correct 39 ms 108688 KB Output is correct
11 Correct 38 ms 108592 KB Output is correct
12 Correct 38 ms 108628 KB Output is correct
13 Correct 1248 ms 300368 KB Output is correct
14 Correct 1514 ms 326072 KB Output is correct
15 Correct 1911 ms 354392 KB Output is correct
16 Correct 2356 ms 381732 KB Output is correct
17 Runtime error 1791 ms 576972 KB Execution killed with signal 6
18 Halted 0 ms 0 KB -