Submission #540931

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
540931	2022-03-22T02:36:51 Z	LittleCube	JJOOII 2 (JOI20_ho_t2)	C++14	100 / 100	21 ms	3284 KB

ho_t2

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

int N, K, J[200005], O[200005], I[200005];
int ans = 1e6;
char S[200005];

signed main()
{
    cin >> N >> K;
    for (int i = 1; i <= N; i++)
        cin >> S[i];
    deque<int> dq;
    J[N + 1] = O[N + 1] = I[N + 1] = N + 1;
    for (int i = N; i >= 1; i--)
    {
        if (S[i] == 'I')
            dq.emplace_front(i);
        if (dq.size() > K)
            dq.pop_back();
        if (dq.size() == K)
            I[i] = dq.back();
        else
            I[i] = N + 1;
        I[i] = min(I[i], I[i + 1]);
    }
    dq.clear();
    for (int i = N; i >= 1; i--)
    {
        if (S[i] == 'O')
            dq.emplace_front(i);
        if (dq.size() > K)
            dq.pop_back();
        if (dq.size() == K)
            O[i] = I[dq.back()];
        else
            O[i] = N + 1;
        O[i] = min(O[i], O[i + 1]);
    }
    dq.clear();
    for (int i = N; i >= 1; i--)
    {
        if (S[i] == 'J')
            dq.emplace_front(i);
        if (dq.size() > K)
            dq.pop_back();
        if (dq.size() == K)
            J[i] = O[dq.back()];
        else
            J[i] = N + 1;
        if (J[i] <= N)
            ans = min(ans, J[i] - i + 1 - K * 3);
    }
    cout << (ans > N ? -1 : ans) << '\n';
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:24:23: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   24 |         if (dq.size() > K)
      |             ~~~~~~~~~~^~~
ho_t2.cpp:26:23: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   26 |         if (dq.size() == K)
      |             ~~~~~~~~~~^~~~
ho_t2.cpp:37:23: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   37 |         if (dq.size() > K)
      |             ~~~~~~~~~~^~~
ho_t2.cpp:39:23: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   39 |         if (dq.size() == K)
      |             ~~~~~~~~~~^~~~
ho_t2.cpp:50:23: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   50 |         if (dq.size() > K)
      |             ~~~~~~~~~~^~~
ho_t2.cpp:52:23: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   52 |         if (dq.size() == K)
      |             ~~~~~~~~~~^~~~

Subtask #1
1.0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	308 KB	Output is correct
7	Correct	1 ms	308 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	308 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	304 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	308 KB	Output is correct
7	Correct	1 ms	308 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	308 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	304 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	308 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	328 KB	Output is correct
21	Correct	1 ms	312 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	308 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 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	340 KB	Output is correct
30	Correct	1 ms	312 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	1 ms	340 KB	Output is correct

Subtask #3
87.0 / 87.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	308 KB	Output is correct
7	Correct	1 ms	308 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	308 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	304 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	308 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	328 KB	Output is correct
21	Correct	1 ms	312 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	308 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 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	340 KB	Output is correct
30	Correct	1 ms	312 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	1 ms	340 KB	Output is correct
36	Correct	17 ms	2740 KB	Output is correct
37	Correct	20 ms	3016 KB	Output is correct
38	Correct	21 ms	3004 KB	Output is correct
39	Correct	20 ms	3000 KB	Output is correct
40	Correct	20 ms	2984 KB	Output is correct
41	Correct	19 ms	3028 KB	Output is correct
42	Correct	19 ms	2976 KB	Output is correct
43	Correct	12 ms	2004 KB	Output is correct
44	Correct	14 ms	2468 KB	Output is correct
45	Correct	17 ms	3028 KB	Output is correct
46	Correct	19 ms	3120 KB	Output is correct
47	Correct	21 ms	3096 KB	Output is correct
48	Correct	19 ms	3016 KB	Output is correct
49	Correct	14 ms	2124 KB	Output is correct
50	Correct	18 ms	3080 KB	Output is correct
51	Correct	20 ms	3028 KB	Output is correct
52	Correct	18 ms	3056 KB	Output is correct
53	Correct	21 ms	3284 KB	Output is correct
54	Correct	16 ms	3004 KB	Output is correct
55	Correct	15 ms	3108 KB	Output is correct
56	Correct	16 ms	3264 KB	Output is correct

Submission #540931

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