oj.uz

답안 #201406

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
201406 2020-02-10T12:22:06 Z Noam527 JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 15 ms 3076 KB 
#include <bits/stdc++.h>
#define finish(x) return cout << x << endl, 0
typedef long long ll;
typedef long double ldb;
const int md = 1e9 + 7;
const ll inf = 4e18;
const int OO = 1;
const int OOO = 1;
using namespace std;

const string word = "JOI";

int n, k;
string s;
vector<int> nxt[3];

int main() {
	ios::sync_with_stdio(0), cin.tie(0);
	cin >> n >> k >> s;
	for (int i = 0; i < 3; i++) {
		char need = word[i];
		nxt[i].resize(n, md);
		int p = 0, cnt = 0;
		while (p < n && cnt < k) {
			if (s[p] == need) cnt++;
			p++;
		}
		for (int j = 0; j < n; j++) {
			nxt[i][j] = p;
			if (s[j] == need) {
				if (p == n) break;
				while (p < n && s[p++] != need);
				if (p == n && s.back() != need) break;
			}
		}
	}
	int ans = md;
	for (int i = 0; i < n; i++) {
		int cur = i;
		for (int j = 0; j < 3 && cur <= n; j++)
			if (cur == n)
				cur = md;
			else
				cur = nxt[j][cur];
		if (cur <= n) ans = min(ans, cur - i - 3 * k);
	}
	cout << (ans == md ? -1 : ans) << '\n';
}

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 248 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 380 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 380 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 4 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 256 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 248 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 380 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 380 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 4 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 6 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 380 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 6 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct

Subtask #3
87.0 / 87.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 248 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 380 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 380 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 4 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 6 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 380 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 6 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 13 ms 2820 KB Output is correct
37 Correct 11 ms 2948 KB Output is correct
38 Correct 13 ms 3076 KB Output is correct
39 Correct 13 ms 2948 KB Output is correct
40 Correct 13 ms 2948 KB Output is correct
41 Correct 14 ms 3004 KB Output is correct
42 Correct 15 ms 2948 KB Output is correct
43 Correct 9 ms 2040 KB Output is correct
44 Correct 11 ms 2436 KB Output is correct
45 Correct 12 ms 2948 KB Output is correct
46 Correct 13 ms 2948 KB Output is correct
47 Correct 12 ms 2948 KB Output is correct
48 Correct 12 ms 2948 KB Output is correct
49 Correct 11 ms 2180 KB Output is correct
50 Correct 12 ms 2948 KB Output is correct
51 Correct 12 ms 2948 KB Output is correct
52 Correct 10 ms 2948 KB Output is correct
53 Correct 10 ms 2948 KB Output is correct
54 Correct 8 ms 2948 KB Output is correct
55 Correct 8 ms 2948 KB Output is correct
56 Correct 7 ms 2952 KB Output is correct