Submission #49184

# Submission time Handle Problem Language Result Execution time Memory
49184 2018-05-23T09:21:09 Z aome Vim (BOI13_vim) C++17
42.5 / 100
28 ms 7572 KB
#include <bits/stdc++.h>

using namespace std;

const int N = 70005;
const int INF = 0x3f3f3f3f;

int n;
int cost;
int a[N];
int b[N][11];
int f[N][11];
bool flag[N];
string s;

int main() {
	ios::sync_with_stdio(false);
	cin >> n >> s;
	string t = s; s.clear();
	flag[0] = 1;
	for (int i = 0; i < n; ++i) {
		if (t[i] == 'e') flag[s.size()] = 1, cost += 2;
		else s.push_back(t[i]); 
	}
	n = s.size();
	int cur = n;
	for (int i = n - 1; i >= 0; --i) {
		a[i] = cur; if (flag[i]) cur = i;
	}
	for (int i = 0; i < 10; ++i) {
		int cur = n;
		for (int j = n - 1; j >= 0; --j) {
			b[j][i] = cur;
			if (s[j] - 'a' == i) cur = j;
		}
	}
	memset(f, INF, sizeof f);
	int res = INF; f[0][10] = 0;
	// cout << s << '\n';
	for (int i = 0; i < n; ++i) {
		for (int j = 0; j <= 10; ++j) {
			if (f[i][j] == INF) continue;
			// cout << i << ' ' << j << ' ' << f[i][j] << '\n';
			if (j == 10) {
				if (a[i] == n) res = min(res, f[i][j]);
			}
			else {
				if (a[b[i][j]] == n) res = min(res, f[i][j]);
			}
			for (int k = 0; k < 10; ++k) {
				int x = b[i][k];
				if (x == n) continue;
				int y;
				if (j == 10) y = a[i];
				else {
					if (x < b[i][j]) continue;
					y = a[b[i][j]];
				}
				if (y >= x) f[x][10] = min(f[x][10], f[i][j] + 2);
				else {
					f[y][k] = min(f[y][k], f[i][j] + 2 + x - y);
				}
			}
		}
	}
	cout << res + cost;
}
# Verdict Execution time Memory Grader output
1 Correct 4 ms 3320 KB Output is correct
2 Incorrect 5 ms 3560 KB Output isn't correct
3 Incorrect 5 ms 3616 KB Output isn't correct
4 Correct 5 ms 3616 KB Output is correct
5 Correct 5 ms 3616 KB Output is correct
6 Correct 5 ms 3616 KB Output is correct
7 Correct 6 ms 3708 KB Output is correct
8 Correct 5 ms 3732 KB Output is correct
9 Correct 5 ms 3732 KB Output is correct
10 Correct 5 ms 3780 KB Output is correct
11 Correct 5 ms 3780 KB Output is correct
12 Correct 5 ms 3780 KB Output is correct
13 Correct 6 ms 3780 KB Output is correct
14 Incorrect 6 ms 3780 KB Output isn't correct
15 Incorrect 6 ms 3780 KB Output isn't correct
16 Incorrect 4 ms 3848 KB Output isn't correct
17 Correct 5 ms 3848 KB Output is correct
18 Correct 4 ms 3856 KB Output is correct
19 Incorrect 5 ms 3856 KB Output isn't correct
20 Correct 5 ms 3856 KB Output is correct
21 Correct 5 ms 3856 KB Output is correct
22 Correct 6 ms 3856 KB Output is correct
23 Correct 5 ms 3856 KB Output is correct
24 Correct 5 ms 3856 KB Output is correct
25 Correct 5 ms 3856 KB Output is correct
26 Correct 5 ms 3856 KB Output is correct
27 Correct 5 ms 3856 KB Output is correct
28 Correct 5 ms 3856 KB Output is correct
29 Incorrect 5 ms 3856 KB Output isn't correct
30 Incorrect 5 ms 3856 KB Output isn't correct
31 Correct 5 ms 3856 KB Output is correct
32 Incorrect 6 ms 3856 KB Output isn't correct
33 Correct 5 ms 3856 KB Output is correct
34 Correct 6 ms 3856 KB Output is correct
35 Correct 5 ms 3856 KB Output is correct
36 Correct 5 ms 3856 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 3948 KB Output is correct
2 Correct 7 ms 3956 KB Output is correct
3 Correct 6 ms 3980 KB Output is correct
4 Correct 5 ms 3984 KB Output is correct
5 Incorrect 6 ms 4044 KB Output isn't correct
6 Incorrect 7 ms 4160 KB Output isn't correct
7 Incorrect 6 ms 4160 KB Output isn't correct
8 Incorrect 6 ms 4176 KB Output isn't correct
9 Correct 9 ms 4176 KB Output is correct
10 Incorrect 6 ms 4176 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Incorrect 18 ms 6396 KB Output isn't correct
2 Incorrect 17 ms 6396 KB Output isn't correct
3 Incorrect 19 ms 6500 KB Output isn't correct
4 Incorrect 17 ms 6620 KB Output isn't correct
5 Incorrect 20 ms 6888 KB Output isn't correct
6 Incorrect 20 ms 6888 KB Output isn't correct
7 Incorrect 28 ms 6888 KB Output isn't correct
8 Incorrect 18 ms 6888 KB Output isn't correct
9 Incorrect 21 ms 6888 KB Output isn't correct
10 Incorrect 21 ms 6888 KB Output isn't correct
11 Incorrect 17 ms 7044 KB Output isn't correct
12 Incorrect 22 ms 7372 KB Output isn't correct
13 Incorrect 20 ms 7572 KB Output isn't correct
14 Incorrect 19 ms 7572 KB Output isn't correct
15 Incorrect 27 ms 7572 KB Output isn't correct
16 Incorrect 13 ms 7572 KB Output isn't correct
17 Incorrect 17 ms 7572 KB Output isn't correct
18 Incorrect 19 ms 7572 KB Output isn't correct
19 Incorrect 17 ms 7572 KB Output isn't correct
20 Incorrect 25 ms 7572 KB Output isn't correct