oj.uz

Submission #529054

# Submission time Handle Problem Language Result Execution time Memory
529054 2022-02-22T04:10:40 Z rk42745417 JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 49 ms 11664 KB 
#include <bits/stdc++.h>
using namespace std;

#define EmiliaMyWife ios::sync_with_stdio(0); cin.tie(0);
using ll = int64_t;
using ull = uint64_t;
using uint = uint32_t;
using ld = long double;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
const ll LINF = ll(4e18) + ll(2e15);
const double EPS = 1e-9;
static int LamyIsCute = []() {
	EmiliaMyWife
	return 48763;
}();

signed main() {
	int n, k;
	string s;
	cin >> n >> k >> s;
	vector<vector<int>> cnt(n + 1, vector<int>(3));
	const string joi = "JOI";
	for(int i = 0; i < n; i++) {
		for(int j = 0; j < 3; j++) {
			cnt[i + 1][j] = cnt[i][j] + (s[i] == joi[j]);
		}
	}

	int ans = INF;
	for(int i = 1; i <= n; i++) {
		int cur = i;
		bool ok = 1;
		for(int j = 0; j < 3; j++) {
			if(cnt[n][j] - cnt[cur - 1][j] < k) {
				ok = 0;
				break;
			}
			int l = i, r = n;
			while(l < r) {
				int m = l + r >> 1;
				if(cnt[m][j] - cnt[cur - 1][j] < k)
					l = m + 1;
				else
					r = m;
			}
			cur = l;
		}
		if(ok)
			ans = min(ans, cur - i + 1 - k * 3);
	}
	if(ans == INF)
		cout << "-1\n";
	else
		cout << ans << '\n';
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:41:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   41 |     int m = l + r >> 1;
      |             ~~^~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 308 KB Output is correct
7 Correct 1 ms 312 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 292 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 308 KB Output is correct
7 Correct 1 ms 312 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 292 KB Output is correct
15 Correct 1 ms 436 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 440 KB Output is correct
18 Correct 1 ms 312 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 460 KB Output is correct
22 Correct 1 ms 460 KB Output is correct
23 Correct 1 ms 312 KB Output is correct
24 Correct 1 ms 440 KB Output is correct
25 Correct 1 ms 436 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 1 ms 460 KB Output is correct
29 Correct 1 ms 428 KB Output is correct
30 Correct 1 ms 416 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 2 ms 428 KB Output is correct
33 Correct 1 ms 436 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 1 ms 460 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 308 KB Output is correct
7 Correct 1 ms 312 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 292 KB Output is correct
15 Correct 1 ms 436 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 440 KB Output is correct
18 Correct 1 ms 312 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 460 KB Output is correct
22 Correct 1 ms 460 KB Output is correct
23 Correct 1 ms 312 KB Output is correct
24 Correct 1 ms 440 KB Output is correct
25 Correct 1 ms 436 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 1 ms 460 KB Output is correct
29 Correct 1 ms 428 KB Output is correct
30 Correct 1 ms 416 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 2 ms 428 KB Output is correct
33 Correct 1 ms 436 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 1 ms 460 KB Output is correct
36 Correct 33 ms 10828 KB Output is correct
37 Correct 34 ms 11588 KB Output is correct
38 Correct 36 ms 11644 KB Output is correct
39 Correct 49 ms 11480 KB Output is correct
40 Correct 33 ms 11664 KB Output is correct
41 Correct 41 ms 11608 KB Output is correct
42 Correct 48 ms 11660 KB Output is correct
43 Correct 15 ms 7272 KB Output is correct
44 Correct 21 ms 9048 KB Output is correct
45 Correct 26 ms 11660 KB Output is correct
46 Correct 38 ms 11600 KB Output is correct
47 Correct 25 ms 11656 KB Output is correct
48 Correct 27 ms 11656 KB Output is correct
49 Correct 16 ms 7860 KB Output is correct
50 Correct 25 ms 11576 KB Output is correct
51 Correct 26 ms 11596 KB Output is correct
52 Correct 14 ms 11224 KB Output is correct
53 Correct 18 ms 11612 KB Output is correct
54 Correct 32 ms 11608 KB Output is correct
55 Correct 16 ms 11560 KB Output is correct
56 Correct 20 ms 11600 KB Output is correct