oj.uz

Submission #558009

# Submission time Handle Problem Language Result Execution time Memory
558009 2022-05-06T13:30:07 Z DanShaders Copy and Paste 3 (JOI22_copypaste3) C++17
6 / 100
 775 ms 54092 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;

namespace x = __gnu_pbds;
template <typename T>
using ordered_set = x::tree<T, x::null_type, less<T>, x::rb_tree_tag, x::tree_order_statistics_node_update>;

template <typename T>
using normal_queue = priority_queue<T, vector<T>, greater<>>;

#define all(x) begin(x), end(x)
#define sz(x) ((int) (x).size())
#define x first
#define y second
using ll = long long;
using ld = long double;

const int N = 2510;
const ll INF = 0x3f3f3f3f3f3f3f3f;

ll dp[N][N];
int nxt[N][N];

int pref[N];

signed main() {
	cin.tie(0)->sync_with_stdio(0);
	int n;
	ll a, b, c;
	string s;
	cin >> n >> s >> a >> b >> c;
	for (int i = 0; i < n; ++i) {
		fill(pref, pref + n, 0);
		pref[i] = n - i;
		int zbegin = 0, zend = 0;
		for (int j = i + 1; j < n; ++j) {
			if (zend > j) {
				pref[j] = min(zend - j, pref[i + j - zbegin]);
			}
			while (s[j + pref[j]] == s[i + pref[j]]) {
				++pref[j];
			}
			if (zend < j + pref[j]) {
				zbegin = j;
				zend = j + pref[j];
			}
		}

		int mx = 1;
		for (int j = i + 1; j <= n; ++j) {
			nxt[i][j] = n;
			for (int h = mx; mx <= min(j - i, pref[j]); ++mx) {
				nxt[i][i + h] = j;
			}
		}
	}

	for (int i = 0; i < n; ++i) {
		for (int j = i + 1; j <= n; ++j) {
			dp[i][j] = (j - i) * a;
		}
	}
	for (int len = 1; len <= n; ++len) {
		for (int i = 0; i <= n - len; ++i) {
			int at = nxt[i][i + len];
			ll curr = dp[i][i + len] + b + 2 * c + (at - i - len) * a;
			while (at != n) {
				dp[i][at + len] = min(curr, dp[i][at + len]);
				int prv = at;
				at = nxt[at][at + len];
				curr += c + (at - prv - len) * a;
			}
		}
		if (!(len & (len - 1))) {
			for (int len2 = 2 * len; len2 <= n; ++len2) {
				for (int i = 0; i <= n - len2; ++i) {
					dp[i][i + len2] = min({dp[i][i + len2], dp[i][i + len2 - 1] + a, dp[i + 1][i + len2] + a});
				}
			}
		}
	}
	for (int len2 = 2; len2 <= n; ++len2) {
		for (int i = 0; i <= n - len2; ++i) {
			dp[i][i + len2] = min({dp[i][i + len2], dp[i][i + len2 - 1] + a, dp[i + 1][i + len2] + a});
		}
	}
	cout << dp[0][n];
}

Subtask #1
1.0 / 1.0

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

Subtask #2
5.0 / 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 Correct 299 ms 34396 KB Output is correct
4 Correct 406 ms 38732 KB Output is correct
5 Correct 527 ms 43428 KB Output is correct
6 Correct 623 ms 48460 KB Output is correct
7 Correct 775 ms 54088 KB Output is correct
8 Correct 742 ms 54092 KB Output is correct
9 Correct 752 ms 54088 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 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 1 ms 468 KB Output is correct
17 Correct 1 ms 340 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Incorrect 0 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Incorrect 0 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Incorrect 0 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #6
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 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 299 ms 34396 KB Output is correct
14 Correct 406 ms 38732 KB Output is correct
15 Correct 527 ms 43428 KB Output is correct
16 Correct 623 ms 48460 KB Output is correct
17 Correct 775 ms 54088 KB Output is correct
18 Correct 742 ms 54092 KB Output is correct
19 Correct 752 ms 54088 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Incorrect 0 ms 340 KB Output isn't correct
29 Halted 0 ms 0 KB -