oj.uz

Submission #549866

# Submission time Handle Problem Language Result Execution time Memory
549866 2022-04-16T17:21:34 Z BalintR Copy and Paste 3 (JOI22_copypaste3) C++17
57 / 100
 2503 ms 8228 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 = 1005;
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 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 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 1 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 Runtime error 1 ms 468 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 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 1 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 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 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 340 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 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 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 340 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 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 1 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 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 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 340 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 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 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 340 KB Output is correct
40 Correct 3 ms 724 KB Output is correct
41 Correct 12 ms 1364 KB Output is correct
42 Correct 24 ms 1432 KB Output is correct
43 Correct 26 ms 1364 KB Output is correct
44 Correct 23 ms 1364 KB Output is correct
45 Correct 26 ms 1364 KB Output is correct
46 Correct 21 ms 1364 KB Output is correct
47 Correct 16 ms 1440 KB Output is correct
48 Correct 20 ms 1364 KB Output is correct
49 Correct 20 ms 1436 KB Output is correct
50 Correct 23 ms 1436 KB Output is correct
51 Correct 21 ms 1440 KB Output is correct
52 Correct 21 ms 1436 KB Output is correct
53 Correct 27 ms 1364 KB Output is correct

Subtask #5
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 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 1 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 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 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 340 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 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 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 340 KB Output is correct
40 Correct 3 ms 724 KB Output is correct
41 Correct 12 ms 1364 KB Output is correct
42 Correct 24 ms 1432 KB Output is correct
43 Correct 26 ms 1364 KB Output is correct
44 Correct 23 ms 1364 KB Output is correct
45 Correct 26 ms 1364 KB Output is correct
46 Correct 21 ms 1364 KB Output is correct
47 Correct 16 ms 1440 KB Output is correct
48 Correct 20 ms 1364 KB Output is correct
49 Correct 20 ms 1436 KB Output is correct
50 Correct 23 ms 1436 KB Output is correct
51 Correct 21 ms 1440 KB Output is correct
52 Correct 21 ms 1436 KB Output is correct
53 Correct 27 ms 1364 KB Output is correct
54 Correct 219 ms 3672 KB Output is correct
55 Correct 1278 ms 8220 KB Output is correct
56 Correct 2498 ms 8220 KB Output is correct
57 Correct 2481 ms 8224 KB Output is correct
58 Correct 2490 ms 8216 KB Output is correct
59 Correct 2454 ms 8224 KB Output is correct
60 Correct 2503 ms 8220 KB Output is correct
61 Correct 2138 ms 8220 KB Output is correct
62 Correct 1302 ms 8228 KB Output is correct
63 Correct 2457 ms 8220 KB Output is correct
64 Correct 2367 ms 8220 KB Output is correct
65 Correct 2087 ms 8224 KB Output is correct
66 Correct 2146 ms 8216 KB Output is correct
67 Correct 2385 ms 8224 KB Output is correct

Subtask #6
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 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 1 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 Runtime error 1 ms 468 KB Execution killed with signal 11
14 Halted 0 ms 0 KB -