Submission #203225

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
203225	2020-02-19T20:28:43 Z	staniewzki	JJOOII 2 (JOI20_ho_t2)	C++14	100 / 100	22 ms	1792 KB

ho_t2

#include<bits/stdc++.h>
using namespace std;
 
int main() {
	int n, k;
	string str;
	cin >> n >> k >> str;

	vector<vector<int>> pos(3);
	vector<int> last(4, -1e9);
	map<char, int> id = {{'J', 0}, {'O', 1}, {'I', 2}};
	int ans = 1e9;

	for(int i = 0; i < n; i++) {
		last[0] = i;
		int x = id[str[i]];
		pos[x].emplace_back(last[x]);
		if(pos[x].size() >= k)
			last[x + 1] = pos[x][pos[x].size() - k];
		ans = min(ans, i - last[3] + 1 - 3 * k);
	}

	if(ans > n) ans = -1;
	cout << ans << "\n";
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:18:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(pos[x].size() >= k)
      ~~~~~~~~~~~~~~^~~~

Subtask #1

1.0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	256 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	4 ms	376 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	5 ms	256 KB	Output is correct
8	Correct	5 ms	256 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct
10	Correct	5 ms	256 KB	Output is correct
11	Correct	5 ms	256 KB	Output is correct
12	Correct	5 ms	256 KB	Output is correct
13	Correct	5 ms	256 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct

Subtask #2

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	256 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	4 ms	376 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	5 ms	256 KB	Output is correct
8	Correct	5 ms	256 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct
10	Correct	5 ms	256 KB	Output is correct
11	Correct	5 ms	256 KB	Output is correct
12	Correct	5 ms	256 KB	Output is correct
13	Correct	5 ms	256 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 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	376 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	6 ms	376 KB	Output is correct
30	Correct	5 ms	376 KB	Output is correct
31	Correct	5 ms	256 KB	Output is correct
32	Correct	5 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	380 KB	Output is correct

Subtask #3

87.0 / 87.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	256 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	4 ms	376 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	5 ms	256 KB	Output is correct
8	Correct	5 ms	256 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct
10	Correct	5 ms	256 KB	Output is correct
11	Correct	5 ms	256 KB	Output is correct
12	Correct	5 ms	256 KB	Output is correct
13	Correct	5 ms	256 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 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	376 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	6 ms	376 KB	Output is correct
30	Correct	5 ms	376 KB	Output is correct
31	Correct	5 ms	256 KB	Output is correct
32	Correct	5 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	380 KB	Output is correct
36	Correct	18 ms	1408 KB	Output is correct
37	Correct	19 ms	1732 KB	Output is correct
38	Correct	19 ms	1776 KB	Output is correct
39	Correct	21 ms	1792 KB	Output is correct
40	Correct	20 ms	1764 KB	Output is correct
41	Correct	21 ms	1776 KB	Output is correct
42	Correct	19 ms	1664 KB	Output is correct
43	Correct	14 ms	1160 KB	Output is correct
44	Correct	16 ms	1392 KB	Output is correct
45	Correct	19 ms	1792 KB	Output is correct
46	Correct	18 ms	1660 KB	Output is correct
47	Correct	20 ms	1792 KB	Output is correct
48	Correct	19 ms	1792 KB	Output is correct
49	Correct	14 ms	1156 KB	Output is correct
50	Correct	22 ms	1744 KB	Output is correct
51	Correct	19 ms	1664 KB	Output is correct
52	Correct	18 ms	1348 KB	Output is correct
53	Correct	19 ms	1736 KB	Output is correct
54	Correct	17 ms	1792 KB	Output is correct
55	Correct	18 ms	1792 KB	Output is correct
56	Correct	19 ms	1792 KB	Output is correct