oj.uz

Submission #549867

# Submission time Handle Problem Language Result Execution time Memory
549867 2022-04-16T17:23:00 Z BalintR Copy and Paste 3 (JOI22_copypaste3) C++17
57 / 100
 3000 ms 33880 KB 
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize "Ofast"

typedef unsigned uint;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<pii> vpii;
typedef complex<double> cmplx;
template <typename T> using minPq = priority_queue<T, vector<T>, greater<T>>;
#define boost() cin.sync_with_stdio(0); cin.tie(0)
#define ms(a, x) memset(a, x, sizeof(a))
#define pb push_back
#define fs first
#define sn second
#define ALL(v) (v).begin(), (v).end()
#define SZ(v) ((int) (v).size())
#define lbv(v, x) (lower_bound((v).begin(), (v).end(), x) - (v).begin())
#define ubv(v, x) (upper_bound((v).begin(), (v).end(), x) - (v).begin())
template <typename T> inline void UNIQUE(vector<T> &v){sort(ALL(v)); v.resize(unique(ALL(v)) - v.begin());}
const int INF = 0x3f3f3f3f;
const ll LLINF = 0x3f3f3f3f3f3f3f3f;
const double PI = acos(-1);
#define FR(i, n) for(int i = 0; i < (n); i++)
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define FORR(i, a, b) for(int i = (a); i >= (b); i--)
#define dbg(x) {cout << #x << ' ' << x << endl;}
#define dbgArr(arr, n) {cout << #arr; FR(_i, n) cout << ' ' << arr[_i]; cout << endl;}

const int MOD = 1e9 + 7;
const int X = 30;
const int MN = 2505;
int n;
string str;
int aCost, bCost, cCost;
ll pws[MN], hashes[MN];
ll dp[MN][MN];
int len;
vector<pll> vec;
int arr[MN];

void proc(int l, int r){
    ms(arr, INF);
    ll minCost = 0;

    int prv = 0;
    FOR(i, l, r){
        int a = vec[i].sn;
        FOR(j, prv, a+1) arr[j] = a;
        prv = a+1;
        minCost = max(minCost, dp[a][a+len]);
    }
    minCost = (ll) aCost*len - minCost + bCost;

    FR(i, n){
        int pos = i;
        int cur = 0;
        while(arr[pos] != INF){
            pos = arr[pos] + len;
            cur++;
            assert(pos <= n);
            dp[i][pos] = max(dp[i][pos], (ll) cur*len*aCost - minCost - (ll) cur*cCost);
        }
    }
}

int main(){
    boost();
    cin >> n >> str >> aCost >> bCost >> cCost;
    for(char &ch : str) ch -= 'a';
    pws[0] = 1;
    FR(i, n) pws[i+1] = pws[i] * X % MOD;
    FR(i, n) hashes[i+1] = (hashes[i]*X + str[i]) % MOD;

    //dbgArr(pws, n+1);
    //dbgArr(hashes, n+1);

    for(len = 1; len <= n; len++){
        FR(i, n) FR(j, n) dp[i][j+1] = max(dp[i][j+1], dp[i][j]);

        int num = n-len+1;
        vec.clear();

        FR(i, num){
            ll hash = (hashes[i+len] - hashes[i]*pws[len]) % MOD;
            if(hash < 0) hash += MOD;
            vec.pb({hash, i});
        }

        sort(ALL(vec));
        int l = 0;
        FOR(r, 1, num+1){
            if(r == num || vec[r].fs != vec[r-1].fs){
                proc(l, r);
                l = r;
            }
        }
    }

    ll ans = (ll) n*aCost - dp[0][n];
    cout << ans << '\n';
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Execution timed out 3073 ms 33880 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 468 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 3 ms 724 KB Output is correct
41 Correct 12 ms 1472 KB Output is correct
42 Correct 24 ms 1472 KB Output is correct
43 Correct 27 ms 1364 KB Output is correct
44 Correct 24 ms 1476 KB Output is correct
45 Correct 24 ms 1476 KB Output is correct
46 Correct 27 ms 1456 KB Output is correct
47 Correct 19 ms 1364 KB Output is correct
48 Correct 21 ms 1472 KB Output is correct
49 Correct 22 ms 1364 KB Output is correct
50 Correct 21 ms 1364 KB Output is correct
51 Correct 21 ms 1364 KB Output is correct
52 Correct 20 ms 1476 KB Output is correct
53 Correct 28 ms 1460 KB Output is correct

Subtask #5
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 3 ms 724 KB Output is correct
41 Correct 12 ms 1472 KB Output is correct
42 Correct 24 ms 1472 KB Output is correct
43 Correct 27 ms 1364 KB Output is correct
44 Correct 24 ms 1476 KB Output is correct
45 Correct 24 ms 1476 KB Output is correct
46 Correct 27 ms 1456 KB Output is correct
47 Correct 19 ms 1364 KB Output is correct
48 Correct 21 ms 1472 KB Output is correct
49 Correct 22 ms 1364 KB Output is correct
50 Correct 21 ms 1364 KB Output is correct
51 Correct 21 ms 1364 KB Output is correct
52 Correct 20 ms 1476 KB Output is correct
53 Correct 28 ms 1460 KB Output is correct
54 Correct 217 ms 3704 KB Output is correct
55 Correct 1335 ms 12224 KB Output is correct
56 Correct 2612 ms 12216 KB Output is correct
57 Correct 2557 ms 12208 KB Output is correct
58 Correct 2662 ms 12216 KB Output is correct
59 Correct 2581 ms 12224 KB Output is correct
60 Correct 2648 ms 12220 KB Output is correct
61 Correct 2197 ms 12216 KB Output is correct
62 Correct 1351 ms 12212 KB Output is correct
63 Correct 2481 ms 12224 KB Output is correct
64 Correct 2425 ms 12224 KB Output is correct
65 Correct 2112 ms 12224 KB Output is correct
66 Correct 2113 ms 12212 KB Output is correct
67 Correct 2543 ms 12212 KB Output is correct

Subtask #6
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Execution timed out 3073 ms 33880 KB Time limit exceeded
14 Halted 0 ms 0 KB -