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답안 #951791

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
951791 2024-03-22T16:09:46 Z EJIC_B_KEDAX Copy and Paste 3 (JOI22_copypaste3) C++17
57 / 100
 3000 ms 366464 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];
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() <= 40 * 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);
        }
        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 37 ms 106580 KB Output is correct
2 Correct 38 ms 106596 KB Output is correct
3 Correct 38 ms 106464 KB Output is correct
4 Correct 39 ms 106580 KB Output is correct
5 Correct 38 ms 106580 KB Output is correct
6 Correct 38 ms 106620 KB Output is correct
7 Correct 38 ms 106576 KB Output is correct
8 Correct 38 ms 106400 KB Output is correct
9 Correct 42 ms 106836 KB Output is correct
10 Correct 37 ms 106540 KB Output is correct

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 38 ms 106580 KB Output is correct
2 Correct 37 ms 106580 KB Output is correct
3 Correct 1278 ms 261384 KB Output is correct
4 Correct 1559 ms 284960 KB Output is correct
5 Correct 1820 ms 309676 KB Output is correct
6 Correct 2372 ms 338936 KB Output is correct
7 Correct 2961 ms 366240 KB Output is correct
8 Correct 2958 ms 366464 KB Output is correct
9 Execution timed out 3068 ms 353824 KB Time limit exceeded
10 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 106580 KB Output is correct
2 Correct 38 ms 106596 KB Output is correct
3 Correct 38 ms 106464 KB Output is correct
4 Correct 39 ms 106580 KB Output is correct
5 Correct 38 ms 106580 KB Output is correct
6 Correct 38 ms 106620 KB Output is correct
7 Correct 38 ms 106576 KB Output is correct
8 Correct 38 ms 106400 KB Output is correct
9 Correct 42 ms 106836 KB Output is correct
10 Correct 37 ms 106540 KB Output is correct
11 Correct 38 ms 106460 KB Output is correct
12 Correct 38 ms 106580 KB Output is correct
13 Correct 38 ms 106580 KB Output is correct
14 Correct 38 ms 106588 KB Output is correct
15 Correct 40 ms 106776 KB Output is correct
16 Correct 37 ms 106584 KB Output is correct
17 Correct 38 ms 106512 KB Output is correct
18 Correct 37 ms 104528 KB Output is correct
19 Correct 38 ms 106576 KB Output is correct
20 Correct 46 ms 106620 KB Output is correct
21 Correct 45 ms 106756 KB Output is correct
22 Correct 38 ms 106584 KB Output is correct
23 Correct 39 ms 106576 KB Output is correct
24 Correct 38 ms 106576 KB Output is correct
25 Correct 39 ms 106532 KB Output is correct
26 Correct 38 ms 106576 KB Output is correct
27 Correct 40 ms 106588 KB Output is correct
28 Correct 38 ms 106580 KB Output is correct
29 Correct 39 ms 106676 KB Output is correct
30 Correct 38 ms 106588 KB Output is correct
31 Correct 38 ms 106772 KB Output is correct
32 Correct 38 ms 106756 KB Output is correct
33 Correct 40 ms 106656 KB Output is correct
34 Correct 38 ms 104532 KB Output is correct
35 Correct 37 ms 106580 KB Output is correct
36 Correct 38 ms 106576 KB Output is correct
37 Correct 38 ms 106640 KB Output is correct
38 Correct 38 ms 106584 KB Output is correct
39 Correct 37 ms 106576 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 106580 KB Output is correct
2 Correct 38 ms 106596 KB Output is correct
3 Correct 38 ms 106464 KB Output is correct
4 Correct 39 ms 106580 KB Output is correct
5 Correct 38 ms 106580 KB Output is correct
6 Correct 38 ms 106620 KB Output is correct
7 Correct 38 ms 106576 KB Output is correct
8 Correct 38 ms 106400 KB Output is correct
9 Correct 42 ms 106836 KB Output is correct
10 Correct 37 ms 106540 KB Output is correct
11 Correct 38 ms 106460 KB Output is correct
12 Correct 38 ms 106580 KB Output is correct
13 Correct 38 ms 106580 KB Output is correct
14 Correct 38 ms 106588 KB Output is correct
15 Correct 40 ms 106776 KB Output is correct
16 Correct 37 ms 106584 KB Output is correct
17 Correct 38 ms 106512 KB Output is correct
18 Correct 37 ms 104528 KB Output is correct
19 Correct 38 ms 106576 KB Output is correct
20 Correct 46 ms 106620 KB Output is correct
21 Correct 45 ms 106756 KB Output is correct
22 Correct 38 ms 106584 KB Output is correct
23 Correct 39 ms 106576 KB Output is correct
24 Correct 38 ms 106576 KB Output is correct
25 Correct 39 ms 106532 KB Output is correct
26 Correct 38 ms 106576 KB Output is correct
27 Correct 40 ms 106588 KB Output is correct
28 Correct 38 ms 106580 KB Output is correct
29 Correct 39 ms 106676 KB Output is correct
30 Correct 38 ms 106588 KB Output is correct
31 Correct 38 ms 106772 KB Output is correct
32 Correct 38 ms 106756 KB Output is correct
33 Correct 40 ms 106656 KB Output is correct
34 Correct 38 ms 104532 KB Output is correct
35 Correct 37 ms 106580 KB Output is correct
36 Correct 38 ms 106576 KB Output is correct
37 Correct 38 ms 106640 KB Output is correct
38 Correct 38 ms 106584 KB Output is correct
39 Correct 37 ms 106576 KB Output is correct
40 Correct 40 ms 109148 KB Output is correct
41 Correct 45 ms 114012 KB Output is correct
42 Correct 43 ms 113772 KB Output is correct
43 Correct 42 ms 113888 KB Output is correct
44 Correct 44 ms 113744 KB Output is correct
45 Correct 43 ms 113748 KB Output is correct
46 Correct 42 ms 113748 KB Output is correct
47 Correct 51 ms 113748 KB Output is correct
48 Correct 42 ms 113748 KB Output is correct
49 Correct 44 ms 113844 KB Output is correct
50 Correct 45 ms 113744 KB Output is correct
51 Correct 43 ms 113748 KB Output is correct
52 Correct 44 ms 113756 KB Output is correct
53 Correct 44 ms 113740 KB Output is correct

Subtask #5
32.0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 106580 KB Output is correct
2 Correct 38 ms 106596 KB Output is correct
3 Correct 38 ms 106464 KB Output is correct
4 Correct 39 ms 106580 KB Output is correct
5 Correct 38 ms 106580 KB Output is correct
6 Correct 38 ms 106620 KB Output is correct
7 Correct 38 ms 106576 KB Output is correct
8 Correct 38 ms 106400 KB Output is correct
9 Correct 42 ms 106836 KB Output is correct
10 Correct 37 ms 106540 KB Output is correct
11 Correct 38 ms 106460 KB Output is correct
12 Correct 38 ms 106580 KB Output is correct
13 Correct 38 ms 106580 KB Output is correct
14 Correct 38 ms 106588 KB Output is correct
15 Correct 40 ms 106776 KB Output is correct
16 Correct 37 ms 106584 KB Output is correct
17 Correct 38 ms 106512 KB Output is correct
18 Correct 37 ms 104528 KB Output is correct
19 Correct 38 ms 106576 KB Output is correct
20 Correct 46 ms 106620 KB Output is correct
21 Correct 45 ms 106756 KB Output is correct
22 Correct 38 ms 106584 KB Output is correct
23 Correct 39 ms 106576 KB Output is correct
24 Correct 38 ms 106576 KB Output is correct
25 Correct 39 ms 106532 KB Output is correct
26 Correct 38 ms 106576 KB Output is correct
27 Correct 40 ms 106588 KB Output is correct
28 Correct 38 ms 106580 KB Output is correct
29 Correct 39 ms 106676 KB Output is correct
30 Correct 38 ms 106588 KB Output is correct
31 Correct 38 ms 106772 KB Output is correct
32 Correct 38 ms 106756 KB Output is correct
33 Correct 40 ms 106656 KB Output is correct
34 Correct 38 ms 104532 KB Output is correct
35 Correct 37 ms 106580 KB Output is correct
36 Correct 38 ms 106576 KB Output is correct
37 Correct 38 ms 106640 KB Output is correct
38 Correct 38 ms 106584 KB Output is correct
39 Correct 37 ms 106576 KB Output is correct
40 Correct 40 ms 109148 KB Output is correct
41 Correct 45 ms 114012 KB Output is correct
42 Correct 43 ms 113772 KB Output is correct
43 Correct 42 ms 113888 KB Output is correct
44 Correct 44 ms 113744 KB Output is correct
45 Correct 43 ms 113748 KB Output is correct
46 Correct 42 ms 113748 KB Output is correct
47 Correct 51 ms 113748 KB Output is correct
48 Correct 42 ms 113748 KB Output is correct
49 Correct 44 ms 113844 KB Output is correct
50 Correct 45 ms 113744 KB Output is correct
51 Correct 43 ms 113748 KB Output is correct
52 Correct 44 ms 113756 KB Output is correct
53 Correct 44 ms 113740 KB Output is correct
54 Correct 61 ms 125524 KB Output is correct
55 Correct 324 ms 166740 KB Output is correct
56 Correct 164 ms 148756 KB Output is correct
57 Correct 145 ms 146896 KB Output is correct
58 Correct 126 ms 147024 KB Output is correct
59 Correct 125 ms 147024 KB Output is correct
60 Correct 121 ms 147024 KB Output is correct
61 Correct 142 ms 148224 KB Output is correct
62 Correct 288 ms 162468 KB Output is correct
63 Correct 139 ms 147748 KB Output is correct
64 Correct 138 ms 148308 KB Output is correct
65 Correct 214 ms 154964 KB Output is correct
66 Correct 214 ms 155084 KB Output is correct
67 Correct 126 ms 147296 KB Output is correct

Subtask #6
0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 106580 KB Output is correct
2 Correct 38 ms 106596 KB Output is correct
3 Correct 38 ms 106464 KB Output is correct
4 Correct 39 ms 106580 KB Output is correct
5 Correct 38 ms 106580 KB Output is correct
6 Correct 38 ms 106620 KB Output is correct
7 Correct 38 ms 106576 KB Output is correct
8 Correct 38 ms 106400 KB Output is correct
9 Correct 42 ms 106836 KB Output is correct
10 Correct 37 ms 106540 KB Output is correct
11 Correct 38 ms 106580 KB Output is correct
12 Correct 37 ms 106580 KB Output is correct
13 Correct 1278 ms 261384 KB Output is correct
14 Correct 1559 ms 284960 KB Output is correct
15 Correct 1820 ms 309676 KB Output is correct
16 Correct 2372 ms 338936 KB Output is correct
17 Correct 2961 ms 366240 KB Output is correct
18 Correct 2958 ms 366464 KB Output is correct
19 Execution timed out 3068 ms 353824 KB Time limit exceeded
20 Halted 0 ms 0 KB -