oj.uz

답안 #951783

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
951783 2024-03-22T15:57:10 Z EJIC_B_KEDAX Copy and Paste 3 (JOI22_copypaste3) C++17
57 / 100
 3000 ms 370472 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]));
    }
    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++) {
        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 38 ms 106584 KB Output is correct
2 Correct 38 ms 106548 KB Output is correct
3 Correct 38 ms 106580 KB Output is correct
4 Correct 45 ms 106464 KB Output is correct
5 Correct 38 ms 106512 KB Output is correct
6 Correct 38 ms 106524 KB Output is correct
7 Correct 38 ms 106576 KB Output is correct
8 Correct 37 ms 106600 KB Output is correct
9 Correct 38 ms 106396 KB Output is correct
10 Correct 40 ms 106492 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 41 ms 106580 KB Output is correct
3 Correct 1370 ms 268432 KB Output is correct
4 Correct 1616 ms 293832 KB Output is correct
5 Correct 1936 ms 320172 KB Output is correct
6 Correct 2430 ms 352240 KB Output is correct
7 Execution timed out 3051 ms 370472 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 38 ms 106584 KB Output is correct
2 Correct 38 ms 106548 KB Output is correct
3 Correct 38 ms 106580 KB Output is correct
4 Correct 45 ms 106464 KB Output is correct
5 Correct 38 ms 106512 KB Output is correct
6 Correct 38 ms 106524 KB Output is correct
7 Correct 38 ms 106576 KB Output is correct
8 Correct 37 ms 106600 KB Output is correct
9 Correct 38 ms 106396 KB Output is correct
10 Correct 40 ms 106492 KB Output is correct
11 Correct 38 ms 106580 KB Output is correct
12 Correct 38 ms 106572 KB Output is correct
13 Correct 39 ms 106576 KB Output is correct
14 Correct 38 ms 106416 KB Output is correct
15 Correct 38 ms 106580 KB Output is correct
16 Correct 40 ms 106580 KB Output is correct
17 Correct 39 ms 106588 KB Output is correct
18 Correct 38 ms 104792 KB Output is correct
19 Correct 39 ms 106580 KB Output is correct
20 Correct 38 ms 106380 KB Output is correct
21 Correct 39 ms 106576 KB Output is correct
22 Correct 38 ms 106580 KB Output is correct
23 Correct 38 ms 106580 KB Output is correct
24 Correct 38 ms 106488 KB Output is correct
25 Correct 39 ms 106476 KB Output is correct
26 Correct 38 ms 106504 KB Output is correct
27 Correct 39 ms 106576 KB Output is correct
28 Correct 39 ms 106476 KB Output is correct
29 Correct 39 ms 106600 KB Output is correct
30 Correct 39 ms 106588 KB Output is correct
31 Correct 39 ms 106576 KB Output is correct
32 Correct 38 ms 106384 KB Output is correct
33 Correct 38 ms 106568 KB Output is correct
34 Correct 37 ms 104424 KB Output is correct
35 Correct 38 ms 106548 KB Output is correct
36 Correct 38 ms 106580 KB Output is correct
37 Correct 38 ms 106588 KB Output is correct
38 Correct 43 ms 106584 KB Output is correct
39 Correct 38 ms 106572 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 38 ms 106584 KB Output is correct
2 Correct 38 ms 106548 KB Output is correct
3 Correct 38 ms 106580 KB Output is correct
4 Correct 45 ms 106464 KB Output is correct
5 Correct 38 ms 106512 KB Output is correct
6 Correct 38 ms 106524 KB Output is correct
7 Correct 38 ms 106576 KB Output is correct
8 Correct 37 ms 106600 KB Output is correct
9 Correct 38 ms 106396 KB Output is correct
10 Correct 40 ms 106492 KB Output is correct
11 Correct 38 ms 106580 KB Output is correct
12 Correct 38 ms 106572 KB Output is correct
13 Correct 39 ms 106576 KB Output is correct
14 Correct 38 ms 106416 KB Output is correct
15 Correct 38 ms 106580 KB Output is correct
16 Correct 40 ms 106580 KB Output is correct
17 Correct 39 ms 106588 KB Output is correct
18 Correct 38 ms 104792 KB Output is correct
19 Correct 39 ms 106580 KB Output is correct
20 Correct 38 ms 106380 KB Output is correct
21 Correct 39 ms 106576 KB Output is correct
22 Correct 38 ms 106580 KB Output is correct
23 Correct 38 ms 106580 KB Output is correct
24 Correct 38 ms 106488 KB Output is correct
25 Correct 39 ms 106476 KB Output is correct
26 Correct 38 ms 106504 KB Output is correct
27 Correct 39 ms 106576 KB Output is correct
28 Correct 39 ms 106476 KB Output is correct
29 Correct 39 ms 106600 KB Output is correct
30 Correct 39 ms 106588 KB Output is correct
31 Correct 39 ms 106576 KB Output is correct
32 Correct 38 ms 106384 KB Output is correct
33 Correct 38 ms 106568 KB Output is correct
34 Correct 37 ms 104424 KB Output is correct
35 Correct 38 ms 106548 KB Output is correct
36 Correct 38 ms 106580 KB Output is correct
37 Correct 38 ms 106588 KB Output is correct
38 Correct 43 ms 106584 KB Output is correct
39 Correct 38 ms 106572 KB Output is correct
40 Correct 40 ms 108628 KB Output is correct
41 Correct 45 ms 113492 KB Output is correct
42 Correct 42 ms 112840 KB Output is correct
43 Correct 42 ms 112784 KB Output is correct
44 Correct 42 ms 112732 KB Output is correct
45 Correct 41 ms 112724 KB Output is correct
46 Correct 42 ms 112724 KB Output is correct
47 Correct 42 ms 112972 KB Output is correct
48 Correct 41 ms 112852 KB Output is correct
49 Correct 45 ms 112720 KB Output is correct
50 Correct 42 ms 112720 KB Output is correct
51 Correct 44 ms 112980 KB Output is correct
52 Correct 42 ms 112976 KB Output is correct
53 Correct 41 ms 112724 KB Output is correct

Subtask #5
32.0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 38 ms 106584 KB Output is correct
2 Correct 38 ms 106548 KB Output is correct
3 Correct 38 ms 106580 KB Output is correct
4 Correct 45 ms 106464 KB Output is correct
5 Correct 38 ms 106512 KB Output is correct
6 Correct 38 ms 106524 KB Output is correct
7 Correct 38 ms 106576 KB Output is correct
8 Correct 37 ms 106600 KB Output is correct
9 Correct 38 ms 106396 KB Output is correct
10 Correct 40 ms 106492 KB Output is correct
11 Correct 38 ms 106580 KB Output is correct
12 Correct 38 ms 106572 KB Output is correct
13 Correct 39 ms 106576 KB Output is correct
14 Correct 38 ms 106416 KB Output is correct
15 Correct 38 ms 106580 KB Output is correct
16 Correct 40 ms 106580 KB Output is correct
17 Correct 39 ms 106588 KB Output is correct
18 Correct 38 ms 104792 KB Output is correct
19 Correct 39 ms 106580 KB Output is correct
20 Correct 38 ms 106380 KB Output is correct
21 Correct 39 ms 106576 KB Output is correct
22 Correct 38 ms 106580 KB Output is correct
23 Correct 38 ms 106580 KB Output is correct
24 Correct 38 ms 106488 KB Output is correct
25 Correct 39 ms 106476 KB Output is correct
26 Correct 38 ms 106504 KB Output is correct
27 Correct 39 ms 106576 KB Output is correct
28 Correct 39 ms 106476 KB Output is correct
29 Correct 39 ms 106600 KB Output is correct
30 Correct 39 ms 106588 KB Output is correct
31 Correct 39 ms 106576 KB Output is correct
32 Correct 38 ms 106384 KB Output is correct
33 Correct 38 ms 106568 KB Output is correct
34 Correct 37 ms 104424 KB Output is correct
35 Correct 38 ms 106548 KB Output is correct
36 Correct 38 ms 106580 KB Output is correct
37 Correct 38 ms 106588 KB Output is correct
38 Correct 43 ms 106584 KB Output is correct
39 Correct 38 ms 106572 KB Output is correct
40 Correct 40 ms 108628 KB Output is correct
41 Correct 45 ms 113492 KB Output is correct
42 Correct 42 ms 112840 KB Output is correct
43 Correct 42 ms 112784 KB Output is correct
44 Correct 42 ms 112732 KB Output is correct
45 Correct 41 ms 112724 KB Output is correct
46 Correct 42 ms 112724 KB Output is correct
47 Correct 42 ms 112972 KB Output is correct
48 Correct 41 ms 112852 KB Output is correct
49 Correct 45 ms 112720 KB Output is correct
50 Correct 42 ms 112720 KB Output is correct
51 Correct 44 ms 112980 KB Output is correct
52 Correct 42 ms 112976 KB Output is correct
53 Correct 41 ms 112724 KB Output is correct
54 Correct 61 ms 123928 KB Output is correct
55 Correct 347 ms 167504 KB Output is correct
56 Correct 165 ms 146608 KB Output is correct
57 Correct 141 ms 144032 KB Output is correct
58 Correct 133 ms 142504 KB Output is correct
59 Correct 120 ms 141992 KB Output is correct
60 Correct 119 ms 141744 KB Output is correct
61 Correct 136 ms 145664 KB Output is correct
62 Correct 298 ms 163072 KB Output is correct
63 Correct 136 ms 144212 KB Output is correct
64 Correct 144 ms 145748 KB Output is correct
65 Correct 224 ms 154576 KB Output is correct
66 Correct 217 ms 154192 KB Output is correct
67 Correct 119 ms 141752 KB Output is correct

Subtask #6
0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 38 ms 106584 KB Output is correct
2 Correct 38 ms 106548 KB Output is correct
3 Correct 38 ms 106580 KB Output is correct
4 Correct 45 ms 106464 KB Output is correct
5 Correct 38 ms 106512 KB Output is correct
6 Correct 38 ms 106524 KB Output is correct
7 Correct 38 ms 106576 KB Output is correct
8 Correct 37 ms 106600 KB Output is correct
9 Correct 38 ms 106396 KB Output is correct
10 Correct 40 ms 106492 KB Output is correct
11 Correct 38 ms 106580 KB Output is correct
12 Correct 41 ms 106580 KB Output is correct
13 Correct 1370 ms 268432 KB Output is correct
14 Correct 1616 ms 293832 KB Output is correct
15 Correct 1936 ms 320172 KB Output is correct
16 Correct 2430 ms 352240 KB Output is correct
17 Execution timed out 3051 ms 370472 KB Time limit exceeded
18 Halted 0 ms 0 KB -