oj.uz

답안 #558008

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
558008 2022-05-06T13:29:32 Z DanShaders Copy and Paste 3 (JOI22_copypaste3) C++17
6 / 100
 741 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 = 0; 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

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 1 ms 340 KB Output is correct
5 Correct 1 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 1 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
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 468 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 273 ms 34408 KB Output is correct
4 Correct 383 ms 38576 KB Output is correct
5 Correct 458 ms 43444 KB Output is correct
6 Correct 618 ms 48592 KB Output is correct
7 Correct 741 ms 54092 KB Output is correct
8 Correct 705 ms 54092 KB Output is correct
9 Correct 692 ms 54092 KB Output is correct
10 Correct 1 ms 340 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 1 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 0 ms 340 KB Output is correct

Subtask #3
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 1 ms 340 KB Output is correct
5 Correct 1 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 1 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 Incorrect 1 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 1 ms 340 KB Output is correct
5 Correct 1 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 1 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 Incorrect 1 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #5
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 1 ms 340 KB Output is correct
5 Correct 1 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 1 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 Incorrect 1 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #6
0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 1 ms 340 KB Output is correct
5 Correct 1 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 1 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 468 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 273 ms 34408 KB Output is correct
14 Correct 383 ms 38576 KB Output is correct
15 Correct 458 ms 43444 KB Output is correct
16 Correct 618 ms 48592 KB Output is correct
17 Correct 741 ms 54092 KB Output is correct
18 Correct 705 ms 54092 KB Output is correct
19 Correct 692 ms 54092 KB Output is correct
20 Correct 1 ms 340 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 1 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 0 ms 340 KB Output is correct
28 Incorrect 1 ms 340 KB Output isn't correct
29 Halted 0 ms 0 KB -