답안 #831430

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
831430	2023-08-20T08:53:04 Z	Mularstyle	JJOOII 2 (JOI20_ho_t2)	C++14	100 / 100	7 ms	2472 KB

ho_t2

#include <bits/stdc++.h>
using namespace std;

char s[200008];
int qs[200008];

int main()
{
    int n, k;

	cin>>n>>k;
	cin>>s+1;
    n=strlen(s+1);
    vector<int> js;
    vector<int> is;

	for(int i = 1; i<= n; i++)
	{
		if(s[i] == 'J')
			js.push_back(i);
		else if(s[i] == 'O')
			qs[i] = 1;
		else
            is.push_back(i);
		qs[i] += qs[i-1];
	}
	int mn = INT_MAX;
	int cur = 0;
	for(int j = k-1; j<  js.size(); j++)
	{
		while(cur+k-1< is.size() && qs[is[cur]-1]-qs[js[j]]< k)
            cur++;

		if(cur+k-1< is.size() && qs[is[cur]-1]-qs[js[j]]>= k)
		{
			mn = min(mn, is[cur+k-1]-js[j-k+1]+1);
		}
	}

	if(mn == INT_MAX)
        cout<<"-1\n";
	else
        cout<<mn-3*k;

}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:12:8: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   12 |  cin>>s+1;
      |       ~^~
ho_t2.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |  for(int j = k-1; j<  js.size(); j++)
      |                   ~^~~~~~~~~~~~
ho_t2.cpp:31:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |   while(cur+k-1< is.size() && qs[is[cur]-1]-qs[js[j]]< k)
      |         ~~~~~~~^~~~~~~~~~~
ho_t2.cpp:34:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |   if(cur+k-1< is.size() && qs[is[cur]-1]-qs[js[j]]>= k)
      |      ~~~~~~~^~~~~~~~~~~

Subtask #1
1.0 / 1.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	0 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	304 KB	Output is correct
30	Correct	1 ms	308 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	0 ms	308 KB	Output is correct
34	Correct	0 ms	340 KB	Output is correct
35	Correct	0 ms	340 KB	Output is correct

Subtask #3
87.0 / 87.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	0 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	304 KB	Output is correct
30	Correct	1 ms	308 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	0 ms	308 KB	Output is correct
34	Correct	0 ms	340 KB	Output is correct
35	Correct	0 ms	340 KB	Output is correct
36	Correct	5 ms	1984 KB	Output is correct
37	Correct	6 ms	2368 KB	Output is correct
38	Correct	6 ms	2296 KB	Output is correct
39	Correct	7 ms	2280 KB	Output is correct
40	Correct	6 ms	2380 KB	Output is correct
41	Correct	6 ms	2384 KB	Output is correct
42	Correct	6 ms	2276 KB	Output is correct
43	Correct	4 ms	1408 KB	Output is correct
44	Correct	4 ms	1744 KB	Output is correct
45	Correct	5 ms	2296 KB	Output is correct
46	Correct	6 ms	2380 KB	Output is correct
47	Correct	5 ms	2320 KB	Output is correct
48	Correct	6 ms	2384 KB	Output is correct
49	Correct	4 ms	1532 KB	Output is correct
50	Correct	5 ms	2364 KB	Output is correct
51	Correct	5 ms	2296 KB	Output is correct
52	Correct	5 ms	2128 KB	Output is correct
53	Correct	5 ms	2384 KB	Output is correct
54	Correct	4 ms	2396 KB	Output is correct
55	Correct	5 ms	2392 KB	Output is correct
56	Correct	4 ms	2472 KB	Output is correct

답안 #831430

Compilation message

Subtask #1 1.0 / 1.0

Subtask #2 12.0 / 12.0

Subtask #3 87.0 / 87.0

Subtask #1
1.0 / 1.0

Subtask #2
12.0 / 12.0

Subtask #3
87.0 / 87.0