답안 #157032

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
157032	2019-10-09T07:59:11 Z	jhwest2	Toilets (JOI16_toilets)	C++14	36 / 100	17 ms	2044 KB

toilets

#include <bits/stdc++.h>
#define va first
#define vb second
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

int N, M, K, cnt;
string s;
vector<int> A, B;
int main() {
	cin.tie(0); ios_base::sync_with_stdio(0);

	cin >> N >> M;
	cin >> s >> K;

	for (int i=0; i<s.size(); i++) {
		if (s[i] == 'F') ++cnt;
		else A.push_back(cnt);
	}

	if (A.size() > N) { cout << -1; return 0; }

	for (int i=0; i<A.size(); i++) {
		B.push_back(min(A[i], 2*(N-(int)A.size())+1+i));
	}

	int ans=0, ap=0, bp=0;
	for (int i=1; i<=2*N; i++) {
		while (ap!=A.size() && A[ap]<i) ++ap;
		while (bp!=B.size() && B[bp]<i) ++bp;
		ans = max(ans, bp-ap);
	}

	cout << ans;
}

Compilation message

toilets.cpp: In function 'int main()':
toilets.cpp:18:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<s.size(); i++) {
                ~^~~~~~~~~
toilets.cpp:23:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if (A.size() > N) { cout << -1; return 0; }
      ~~~~~~~~~^~~
toilets.cpp:25:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<A.size(); i++) {
                ~^~~~~~~~~
toilets.cpp:31:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while (ap!=A.size() && A[ap]<i) ++ap;
          ~~^~~~~~~~~~
toilets.cpp:32:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while (bp!=B.size() && B[bp]<i) ++bp;
          ~~^~~~~~~~~~

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	252 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct

Subtask #2
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	252 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	7 ms	1916 KB	Output is correct
24	Correct	7 ms	2044 KB	Output is correct
25	Correct	7 ms	1788 KB	Output is correct
26	Correct	4 ms	900 KB	Output is correct
27	Correct	5 ms	1916 KB	Output is correct
28	Correct	7 ms	1788 KB	Output is correct
29	Correct	6 ms	1788 KB	Output is correct
30	Correct	7 ms	1916 KB	Output is correct
31	Correct	7 ms	1916 KB	Output is correct
32	Correct	7 ms	1916 KB	Output is correct
33	Correct	5 ms	1916 KB	Output is correct
34	Correct	4 ms	1028 KB	Output is correct
35	Correct	8 ms	1916 KB	Output is correct
36	Correct	17 ms	1916 KB	Output is correct
37	Correct	4 ms	900 KB	Output is correct
38	Correct	5 ms	1408 KB	Output is correct
39	Correct	6 ms	1788 KB	Output is correct
40	Correct	6 ms	1788 KB	Output is correct

Subtask #3
0 / 64.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	252 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	7 ms	1916 KB	Output is correct
24	Correct	7 ms	2044 KB	Output is correct
25	Correct	7 ms	1788 KB	Output is correct
26	Correct	4 ms	900 KB	Output is correct
27	Correct	5 ms	1916 KB	Output is correct
28	Correct	7 ms	1788 KB	Output is correct
29	Correct	6 ms	1788 KB	Output is correct
30	Correct	7 ms	1916 KB	Output is correct
31	Correct	7 ms	1916 KB	Output is correct
32	Correct	7 ms	1916 KB	Output is correct
33	Correct	5 ms	1916 KB	Output is correct
34	Correct	4 ms	1028 KB	Output is correct
35	Correct	8 ms	1916 KB	Output is correct
36	Correct	17 ms	1916 KB	Output is correct
37	Correct	4 ms	900 KB	Output is correct
38	Correct	5 ms	1408 KB	Output is correct
39	Correct	6 ms	1788 KB	Output is correct
40	Correct	6 ms	1788 KB	Output is correct
41	Incorrect	2 ms	376 KB	Output isn't correct
42	Halted	0 ms	0 KB	-

답안 #157032

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 22.0 / 22.0

Subtask #3 0 / 64.0

Subtask #1
14.0 / 14.0

Subtask #2
22.0 / 22.0

Subtask #3
0 / 64.0