답안 #51770 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
51770	2018-06-21T04:57:04 Z	model_code	Toilets (JOI16_toilets)	C++17	100 / 100	43 ms	5764 KB

toilets

#include <iostream>
#include <vector>
#include <string>
#include <algorithm>


int main()
{
	// speed up std::cin & std::cout
	std::ios::sync_with_stdio(false);

	long long N;
	int M;
	std::vector<std::string> S;
	std::vector<long long> K;

	std::cin >> N >> M;
	for(int i = 0; i < M; ++i) {
		std::string S_i;
		long long K_i;
		std::cin >> S_i >> K_i;
		S.push_back(S_i);
		K.push_back(K_i);
	}

	long long minimum = 0;
	long long global_count = 0;

	for(int section = M - 1; section >= 0; --section) {

		const std::string& S_i = S[section];
		const long long K_i = K[section];

		int local_count = 0, diff_minimum = 0;

		for(int index = S_i.size() - 1; index >= 0; --index) {
			const char c = S_i[index];
			local_count += (c == 'F' ? 1 : -1);
			diff_minimum = std::min(diff_minimum, local_count);
		}

		const long long candidate_first = global_count + diff_minimum;
		const long long candidate_last = global_count + (K_i - 1) * local_count
		                                 + diff_minimum;

		minimum = std::min(minimum, std::min(candidate_first, candidate_last));
		global_count += local_count * K_i;
	}

	long long answer;

	// global_count = |female| - |male|
	if(global_count < 0) {

		answer = -1;

	} else {

		if(minimum >= -1) {
			answer = 0;
		} else {
			answer = -(minimum + 1);
		}
	}

	std::cout << answer << std::endl;

	return 0;
}

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	380 KB	Output is correct
2	Correct	3 ms	488 KB	Output is correct
3	Correct	2 ms	488 KB	Output is correct
4	Correct	2 ms	488 KB	Output is correct
5	Correct	2 ms	488 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	2 ms	588 KB	Output is correct
8	Correct	2 ms	592 KB	Output is correct
9	Correct	3 ms	720 KB	Output is correct
10	Correct	2 ms	724 KB	Output is correct
11	Correct	2 ms	724 KB	Output is correct
12	Correct	2 ms	724 KB	Output is correct
13	Correct	2 ms	724 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	2 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	3 ms	724 KB	Output is correct
18	Correct	3 ms	740 KB	Output is correct
19	Correct	2 ms	740 KB	Output is correct
20	Correct	2 ms	740 KB	Output is correct
21	Correct	2 ms	740 KB	Output is correct
22	Correct	3 ms	740 KB	Output is correct

Subtask #2
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	380 KB	Output is correct
2	Correct	3 ms	488 KB	Output is correct
3	Correct	2 ms	488 KB	Output is correct
4	Correct	2 ms	488 KB	Output is correct
5	Correct	2 ms	488 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	2 ms	588 KB	Output is correct
8	Correct	2 ms	592 KB	Output is correct
9	Correct	3 ms	720 KB	Output is correct
10	Correct	2 ms	724 KB	Output is correct
11	Correct	2 ms	724 KB	Output is correct
12	Correct	2 ms	724 KB	Output is correct
13	Correct	2 ms	724 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	2 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	3 ms	724 KB	Output is correct
18	Correct	3 ms	740 KB	Output is correct
19	Correct	2 ms	740 KB	Output is correct
20	Correct	2 ms	740 KB	Output is correct
21	Correct	2 ms	740 KB	Output is correct
22	Correct	3 ms	740 KB	Output is correct
23	Correct	5 ms	1148 KB	Output is correct
24	Correct	4 ms	1164 KB	Output is correct
25	Correct	4 ms	1164 KB	Output is correct
26	Correct	4 ms	1164 KB	Output is correct
27	Correct	3 ms	1272 KB	Output is correct
28	Correct	3 ms	1272 KB	Output is correct
29	Correct	3 ms	1272 KB	Output is correct
30	Correct	4 ms	1272 KB	Output is correct
31	Correct	3 ms	1272 KB	Output is correct
32	Correct	3 ms	1272 KB	Output is correct
33	Correct	3 ms	1272 KB	Output is correct
34	Correct	3 ms	1272 KB	Output is correct
35	Correct	3 ms	1272 KB	Output is correct
36	Correct	3 ms	1272 KB	Output is correct
37	Correct	3 ms	1272 KB	Output is correct
38	Correct	3 ms	1272 KB	Output is correct
39	Correct	3 ms	1272 KB	Output is correct
40	Correct	3 ms	1272 KB	Output is correct

Subtask #3
64.0 / 64.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	380 KB	Output is correct
2	Correct	3 ms	488 KB	Output is correct
3	Correct	2 ms	488 KB	Output is correct
4	Correct	2 ms	488 KB	Output is correct
5	Correct	2 ms	488 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	2 ms	588 KB	Output is correct
8	Correct	2 ms	592 KB	Output is correct
9	Correct	3 ms	720 KB	Output is correct
10	Correct	2 ms	724 KB	Output is correct
11	Correct	2 ms	724 KB	Output is correct
12	Correct	2 ms	724 KB	Output is correct
13	Correct	2 ms	724 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	2 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	3 ms	724 KB	Output is correct
18	Correct	3 ms	740 KB	Output is correct
19	Correct	2 ms	740 KB	Output is correct
20	Correct	2 ms	740 KB	Output is correct
21	Correct	2 ms	740 KB	Output is correct
22	Correct	3 ms	740 KB	Output is correct
23	Correct	5 ms	1148 KB	Output is correct
24	Correct	4 ms	1164 KB	Output is correct
25	Correct	4 ms	1164 KB	Output is correct
26	Correct	4 ms	1164 KB	Output is correct
27	Correct	3 ms	1272 KB	Output is correct
28	Correct	3 ms	1272 KB	Output is correct
29	Correct	3 ms	1272 KB	Output is correct
30	Correct	4 ms	1272 KB	Output is correct
31	Correct	3 ms	1272 KB	Output is correct
32	Correct	3 ms	1272 KB	Output is correct
33	Correct	3 ms	1272 KB	Output is correct
34	Correct	3 ms	1272 KB	Output is correct
35	Correct	3 ms	1272 KB	Output is correct
36	Correct	3 ms	1272 KB	Output is correct
37	Correct	3 ms	1272 KB	Output is correct
38	Correct	3 ms	1272 KB	Output is correct
39	Correct	3 ms	1272 KB	Output is correct
40	Correct	3 ms	1272 KB	Output is correct
41	Correct	35 ms	5676 KB	Output is correct
42	Correct	35 ms	5676 KB	Output is correct
43	Correct	3 ms	5676 KB	Output is correct
44	Correct	2 ms	5676 KB	Output is correct
45	Correct	2 ms	5676 KB	Output is correct
46	Correct	9 ms	5676 KB	Output is correct
47	Correct	4 ms	5676 KB	Output is correct
48	Correct	3 ms	5676 KB	Output is correct
49	Correct	4 ms	5676 KB	Output is correct
50	Correct	3 ms	5676 KB	Output is correct
51	Correct	7 ms	5676 KB	Output is correct
52	Correct	30 ms	5764 KB	Output is correct
53	Correct	43 ms	5764 KB	Output is correct
54	Correct	30 ms	5764 KB	Output is correct
55	Correct	3 ms	5764 KB	Output is correct
56	Correct	4 ms	5764 KB	Output is correct

답안 #51770

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 22.0 / 22.0

Subtask #3 64.0 / 64.0

Subtask #1
14.0 / 14.0

Subtask #2
22.0 / 22.0

Subtask #3
64.0 / 64.0