Submission #357706

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
357706	2021-01-24T13:17:12 Z	benedict0724	Colors (BOI20_colors)	C++17	9 / 100	2 ms	384 KB

Colors

#include <iostream>

using namespace std;

int main()
{
    ios::sync_with_stdio(false);cin.tie(NULL);

    int n;
    cin >> n;
    cout << "? 1" << endl;
    int ans;
    cin >> ans;
    for(int i=2;i<=n;i++){
        if(i%2 == 0) cout << "? " << n - i/2 + 1 << endl;
        else cout << "? " << i/2 + 1 << endl;

        cin >> ans;
        if(ans == 0){
            cout << "= " << n - i + 2;
            return 0;
        }
    }
    cout << "= 1";
}

Subtask #1

9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	OK (5 queries)
2	Correct	1 ms	364 KB	OK (6 queries)
3	Correct	1 ms	364 KB	OK (10 queries)
4	Correct	1 ms	364 KB	OK (26 queries)
5	Correct	1 ms	364 KB	OK (13 queries)
6	Correct	1 ms	364 KB	OK (26 queries)
7	Correct	1 ms	364 KB	OK (17 queries)
8	Correct	1 ms	364 KB	OK (7 queries)
9	Correct	1 ms	364 KB	OK (9 queries)
10	Correct	1 ms	384 KB	OK (11 queries)
11	Correct	0 ms	364 KB	OK (4 queries)
12	Correct	1 ms	364 KB	OK (5 queries)
13	Correct	1 ms	364 KB	OK (11 queries)
14	Correct	1 ms	364 KB	OK (16 queries)
15	Correct	1 ms	364 KB	OK (11 queries)
16	Correct	1 ms	364 KB	OK (34 queries)
17	Correct	1 ms	364 KB	OK (2 queries)
18	Correct	1 ms	384 KB	OK (16 queries)
19	Correct	1 ms	364 KB	OK (3 queries)
20	Correct	1 ms	384 KB	OK (31 queries)
21	Correct	1 ms	364 KB	OK (9 queries)
22	Correct	0 ms	364 KB	OK (2 queries)
23	Correct	1 ms	364 KB	OK (2 queries)
24	Correct	1 ms	364 KB	OK (2 queries)
25	Correct	0 ms	364 KB	OK (3 queries)
26	Correct	0 ms	364 KB	OK (3 queries)
27	Correct	0 ms	364 KB	OK (2 queries)
28	Correct	0 ms	364 KB	OK (3 queries)
29	Correct	1 ms	364 KB	OK (4 queries)
30	Correct	1 ms	364 KB	OK (4 queries)
31	Correct	0 ms	364 KB	OK (2 queries)
32	Correct	0 ms	364 KB	OK (3 queries)
33	Correct	1 ms	384 KB	OK (4 queries)
34	Correct	0 ms	364 KB	OK (5 queries)
35	Correct	0 ms	364 KB	OK (5 queries)
36	Correct	1 ms	364 KB	OK (2 queries)
37	Correct	1 ms	364 KB	OK (3 queries)
38	Correct	0 ms	364 KB	OK (4 queries)
39	Correct	0 ms	364 KB	OK (5 queries)
40	Correct	0 ms	364 KB	OK (6 queries)
41	Correct	1 ms	364 KB	OK (6 queries)
42	Correct	1 ms	364 KB	OK (2 queries)
43	Correct	0 ms	364 KB	OK (3 queries)
44	Correct	1 ms	364 KB	OK (4 queries)
45	Correct	1 ms	364 KB	OK (5 queries)
46	Correct	1 ms	364 KB	OK (6 queries)
47	Correct	1 ms	364 KB	OK (7 queries)
48	Correct	1 ms	364 KB	OK (7 queries)
49	Correct	0 ms	364 KB	OK (2 queries)
50	Correct	1 ms	364 KB	OK (3 queries)
51	Correct	1 ms	364 KB	OK (4 queries)
52	Correct	1 ms	364 KB	OK (5 queries)
53	Correct	1 ms	364 KB	OK (6 queries)
54	Correct	1 ms	364 KB	OK (7 queries)
55	Correct	1 ms	364 KB	OK (8 queries)
56	Correct	1 ms	364 KB	OK (8 queries)
57	Correct	1 ms	364 KB	OK (3 queries)
58	Correct	1 ms	364 KB	OK (2 queries)
59	Correct	1 ms	364 KB	OK (3 queries)
60	Correct	0 ms	364 KB	OK (2 queries)
61	Correct	1 ms	364 KB	OK (63 queries)
62	Correct	1 ms	364 KB	OK (2 queries)
63	Correct	1 ms	364 KB	OK (63 queries)
64	Correct	1 ms	364 KB	OK (3 queries)
65	Correct	1 ms	364 KB	OK (62 queries)
66	Correct	1 ms	364 KB	OK (4 queries)
67	Correct	1 ms	364 KB	OK (61 queries)
68	Correct	1 ms	364 KB	OK (5 queries)
69	Correct	1 ms	364 KB	OK (60 queries)
70	Correct	1 ms	364 KB	OK (6 queries)

Subtask #2

0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	OK (5 queries)
2	Correct	1 ms	364 KB	OK (6 queries)
3	Correct	1 ms	364 KB	OK (10 queries)
4	Correct	1 ms	364 KB	OK (26 queries)
5	Correct	1 ms	364 KB	OK (13 queries)
6	Correct	1 ms	364 KB	OK (26 queries)
7	Correct	1 ms	364 KB	OK (17 queries)
8	Correct	1 ms	364 KB	OK (7 queries)
9	Correct	1 ms	364 KB	OK (9 queries)
10	Correct	1 ms	384 KB	OK (11 queries)
11	Correct	0 ms	364 KB	OK (4 queries)
12	Correct	1 ms	364 KB	OK (5 queries)
13	Correct	1 ms	364 KB	OK (11 queries)
14	Correct	1 ms	364 KB	OK (16 queries)
15	Correct	1 ms	364 KB	OK (11 queries)
16	Correct	1 ms	364 KB	OK (34 queries)
17	Correct	1 ms	364 KB	OK (2 queries)
18	Correct	1 ms	384 KB	OK (16 queries)
19	Correct	1 ms	364 KB	OK (3 queries)
20	Correct	1 ms	384 KB	OK (31 queries)
21	Correct	1 ms	364 KB	OK (9 queries)
22	Correct	0 ms	364 KB	OK (2 queries)
23	Correct	1 ms	364 KB	OK (2 queries)
24	Correct	1 ms	364 KB	OK (2 queries)
25	Correct	0 ms	364 KB	OK (3 queries)
26	Correct	0 ms	364 KB	OK (3 queries)
27	Correct	0 ms	364 KB	OK (2 queries)
28	Correct	0 ms	364 KB	OK (3 queries)
29	Correct	1 ms	364 KB	OK (4 queries)
30	Correct	1 ms	364 KB	OK (4 queries)
31	Correct	0 ms	364 KB	OK (2 queries)
32	Correct	0 ms	364 KB	OK (3 queries)
33	Correct	1 ms	384 KB	OK (4 queries)
34	Correct	0 ms	364 KB	OK (5 queries)
35	Correct	0 ms	364 KB	OK (5 queries)
36	Correct	1 ms	364 KB	OK (2 queries)
37	Correct	1 ms	364 KB	OK (3 queries)
38	Correct	0 ms	364 KB	OK (4 queries)
39	Correct	0 ms	364 KB	OK (5 queries)
40	Correct	0 ms	364 KB	OK (6 queries)
41	Correct	1 ms	364 KB	OK (6 queries)
42	Correct	1 ms	364 KB	OK (2 queries)
43	Correct	0 ms	364 KB	OK (3 queries)
44	Correct	1 ms	364 KB	OK (4 queries)
45	Correct	1 ms	364 KB	OK (5 queries)
46	Correct	1 ms	364 KB	OK (6 queries)
47	Correct	1 ms	364 KB	OK (7 queries)
48	Correct	1 ms	364 KB	OK (7 queries)
49	Correct	0 ms	364 KB	OK (2 queries)
50	Correct	1 ms	364 KB	OK (3 queries)
51	Correct	1 ms	364 KB	OK (4 queries)
52	Correct	1 ms	364 KB	OK (5 queries)
53	Correct	1 ms	364 KB	OK (6 queries)
54	Correct	1 ms	364 KB	OK (7 queries)
55	Correct	1 ms	364 KB	OK (8 queries)
56	Correct	1 ms	364 KB	OK (8 queries)
57	Correct	1 ms	364 KB	OK (3 queries)
58	Correct	1 ms	364 KB	OK (2 queries)
59	Correct	1 ms	364 KB	OK (3 queries)
60	Correct	0 ms	364 KB	OK (2 queries)
61	Correct	1 ms	364 KB	OK (63 queries)
62	Correct	1 ms	364 KB	OK (2 queries)
63	Correct	1 ms	364 KB	OK (63 queries)
64	Correct	1 ms	364 KB	OK (3 queries)
65	Correct	1 ms	364 KB	OK (62 queries)
66	Correct	1 ms	364 KB	OK (4 queries)
67	Correct	1 ms	364 KB	OK (61 queries)
68	Correct	1 ms	364 KB	OK (5 queries)
69	Correct	1 ms	364 KB	OK (60 queries)
70	Correct	1 ms	364 KB	OK (6 queries)
71	Incorrect	2 ms	364 KB	Query limit exceeded
72	Halted	0 ms	0 KB	-

Subtask #3

0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	OK (5 queries)
2	Correct	1 ms	364 KB	OK (6 queries)
3	Correct	1 ms	364 KB	OK (10 queries)
4	Correct	1 ms	364 KB	OK (26 queries)
5	Correct	1 ms	364 KB	OK (13 queries)
6	Correct	1 ms	364 KB	OK (26 queries)
7	Correct	1 ms	364 KB	OK (17 queries)
8	Correct	1 ms	364 KB	OK (7 queries)
9	Correct	1 ms	364 KB	OK (9 queries)
10	Correct	1 ms	384 KB	OK (11 queries)
11	Correct	0 ms	364 KB	OK (4 queries)
12	Correct	1 ms	364 KB	OK (5 queries)
13	Correct	1 ms	364 KB	OK (11 queries)
14	Correct	1 ms	364 KB	OK (16 queries)
15	Correct	1 ms	364 KB	OK (11 queries)
16	Correct	1 ms	364 KB	OK (34 queries)
17	Correct	1 ms	364 KB	OK (2 queries)
18	Correct	1 ms	384 KB	OK (16 queries)
19	Correct	1 ms	364 KB	OK (3 queries)
20	Correct	1 ms	384 KB	OK (31 queries)
21	Correct	1 ms	364 KB	OK (9 queries)
22	Correct	0 ms	364 KB	OK (2 queries)
23	Correct	1 ms	364 KB	OK (2 queries)
24	Correct	1 ms	364 KB	OK (2 queries)
25	Correct	0 ms	364 KB	OK (3 queries)
26	Correct	0 ms	364 KB	OK (3 queries)
27	Correct	0 ms	364 KB	OK (2 queries)
28	Correct	0 ms	364 KB	OK (3 queries)
29	Correct	1 ms	364 KB	OK (4 queries)
30	Correct	1 ms	364 KB	OK (4 queries)
31	Correct	0 ms	364 KB	OK (2 queries)
32	Correct	0 ms	364 KB	OK (3 queries)
33	Correct	1 ms	384 KB	OK (4 queries)
34	Correct	0 ms	364 KB	OK (5 queries)
35	Correct	0 ms	364 KB	OK (5 queries)
36	Correct	1 ms	364 KB	OK (2 queries)
37	Correct	1 ms	364 KB	OK (3 queries)
38	Correct	0 ms	364 KB	OK (4 queries)
39	Correct	0 ms	364 KB	OK (5 queries)
40	Correct	0 ms	364 KB	OK (6 queries)
41	Correct	1 ms	364 KB	OK (6 queries)
42	Correct	1 ms	364 KB	OK (2 queries)
43	Correct	0 ms	364 KB	OK (3 queries)
44	Correct	1 ms	364 KB	OK (4 queries)
45	Correct	1 ms	364 KB	OK (5 queries)
46	Correct	1 ms	364 KB	OK (6 queries)
47	Correct	1 ms	364 KB	OK (7 queries)
48	Correct	1 ms	364 KB	OK (7 queries)
49	Correct	0 ms	364 KB	OK (2 queries)
50	Correct	1 ms	364 KB	OK (3 queries)
51	Correct	1 ms	364 KB	OK (4 queries)
52	Correct	1 ms	364 KB	OK (5 queries)
53	Correct	1 ms	364 KB	OK (6 queries)
54	Correct	1 ms	364 KB	OK (7 queries)
55	Correct	1 ms	364 KB	OK (8 queries)
56	Correct	1 ms	364 KB	OK (8 queries)
57	Correct	1 ms	364 KB	OK (3 queries)
58	Correct	1 ms	364 KB	OK (2 queries)
59	Correct	1 ms	364 KB	OK (3 queries)
60	Correct	0 ms	364 KB	OK (2 queries)
61	Correct	1 ms	364 KB	OK (63 queries)
62	Correct	1 ms	364 KB	OK (2 queries)
63	Correct	1 ms	364 KB	OK (63 queries)
64	Correct	1 ms	364 KB	OK (3 queries)
65	Correct	1 ms	364 KB	OK (62 queries)
66	Correct	1 ms	364 KB	OK (4 queries)
67	Correct	1 ms	364 KB	OK (61 queries)
68	Correct	1 ms	364 KB	OK (5 queries)
69	Correct	1 ms	364 KB	OK (60 queries)
70	Correct	1 ms	364 KB	OK (6 queries)
71	Incorrect	2 ms	364 KB	Query limit exceeded
72	Halted	0 ms	0 KB	-

Subtask #4

0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	OK (5 queries)
2	Correct	1 ms	364 KB	OK (6 queries)
3	Correct	1 ms	364 KB	OK (10 queries)
4	Correct	1 ms	364 KB	OK (26 queries)
5	Correct	1 ms	364 KB	OK (13 queries)
6	Correct	1 ms	364 KB	OK (26 queries)
7	Correct	1 ms	364 KB	OK (17 queries)
8	Correct	1 ms	364 KB	OK (7 queries)
9	Correct	1 ms	364 KB	OK (9 queries)
10	Correct	1 ms	384 KB	OK (11 queries)
11	Correct	0 ms	364 KB	OK (4 queries)
12	Correct	1 ms	364 KB	OK (5 queries)
13	Correct	1 ms	364 KB	OK (11 queries)
14	Correct	1 ms	364 KB	OK (16 queries)
15	Correct	1 ms	364 KB	OK (11 queries)
16	Correct	1 ms	364 KB	OK (34 queries)
17	Correct	1 ms	364 KB	OK (2 queries)
18	Correct	1 ms	384 KB	OK (16 queries)
19	Correct	1 ms	364 KB	OK (3 queries)
20	Correct	1 ms	384 KB	OK (31 queries)
21	Correct	1 ms	364 KB	OK (9 queries)
22	Correct	0 ms	364 KB	OK (2 queries)
23	Correct	1 ms	364 KB	OK (2 queries)
24	Correct	1 ms	364 KB	OK (2 queries)
25	Correct	0 ms	364 KB	OK (3 queries)
26	Correct	0 ms	364 KB	OK (3 queries)
27	Correct	0 ms	364 KB	OK (2 queries)
28	Correct	0 ms	364 KB	OK (3 queries)
29	Correct	1 ms	364 KB	OK (4 queries)
30	Correct	1 ms	364 KB	OK (4 queries)
31	Correct	0 ms	364 KB	OK (2 queries)
32	Correct	0 ms	364 KB	OK (3 queries)
33	Correct	1 ms	384 KB	OK (4 queries)
34	Correct	0 ms	364 KB	OK (5 queries)
35	Correct	0 ms	364 KB	OK (5 queries)
36	Correct	1 ms	364 KB	OK (2 queries)
37	Correct	1 ms	364 KB	OK (3 queries)
38	Correct	0 ms	364 KB	OK (4 queries)
39	Correct	0 ms	364 KB	OK (5 queries)
40	Correct	0 ms	364 KB	OK (6 queries)
41	Correct	1 ms	364 KB	OK (6 queries)
42	Correct	1 ms	364 KB	OK (2 queries)
43	Correct	0 ms	364 KB	OK (3 queries)
44	Correct	1 ms	364 KB	OK (4 queries)
45	Correct	1 ms	364 KB	OK (5 queries)
46	Correct	1 ms	364 KB	OK (6 queries)
47	Correct	1 ms	364 KB	OK (7 queries)
48	Correct	1 ms	364 KB	OK (7 queries)
49	Correct	0 ms	364 KB	OK (2 queries)
50	Correct	1 ms	364 KB	OK (3 queries)
51	Correct	1 ms	364 KB	OK (4 queries)
52	Correct	1 ms	364 KB	OK (5 queries)
53	Correct	1 ms	364 KB	OK (6 queries)
54	Correct	1 ms	364 KB	OK (7 queries)
55	Correct	1 ms	364 KB	OK (8 queries)
56	Correct	1 ms	364 KB	OK (8 queries)
57	Correct	1 ms	364 KB	OK (3 queries)
58	Correct	1 ms	364 KB	OK (2 queries)
59	Correct	1 ms	364 KB	OK (3 queries)
60	Correct	0 ms	364 KB	OK (2 queries)
61	Correct	1 ms	364 KB	OK (63 queries)
62	Correct	1 ms	364 KB	OK (2 queries)
63	Correct	1 ms	364 KB	OK (63 queries)
64	Correct	1 ms	364 KB	OK (3 queries)
65	Correct	1 ms	364 KB	OK (62 queries)
66	Correct	1 ms	364 KB	OK (4 queries)
67	Correct	1 ms	364 KB	OK (61 queries)
68	Correct	1 ms	364 KB	OK (5 queries)
69	Correct	1 ms	364 KB	OK (60 queries)
70	Correct	1 ms	364 KB	OK (6 queries)
71	Incorrect	2 ms	364 KB	Query limit exceeded
72	Halted	0 ms	0 KB	-

Subtask #5

0 / 33.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	OK (5 queries)
2	Correct	1 ms	364 KB	OK (6 queries)
3	Correct	1 ms	364 KB	OK (10 queries)
4	Correct	1 ms	364 KB	OK (26 queries)
5	Correct	1 ms	364 KB	OK (13 queries)
6	Correct	1 ms	364 KB	OK (26 queries)
7	Correct	1 ms	364 KB	OK (17 queries)
8	Correct	1 ms	364 KB	OK (7 queries)
9	Correct	1 ms	364 KB	OK (9 queries)
10	Correct	1 ms	384 KB	OK (11 queries)
11	Correct	0 ms	364 KB	OK (4 queries)
12	Correct	1 ms	364 KB	OK (5 queries)
13	Correct	1 ms	364 KB	OK (11 queries)
14	Correct	1 ms	364 KB	OK (16 queries)
15	Correct	1 ms	364 KB	OK (11 queries)
16	Correct	1 ms	364 KB	OK (34 queries)
17	Correct	1 ms	364 KB	OK (2 queries)
18	Correct	1 ms	384 KB	OK (16 queries)
19	Correct	1 ms	364 KB	OK (3 queries)
20	Correct	1 ms	384 KB	OK (31 queries)
21	Correct	1 ms	364 KB	OK (9 queries)
22	Correct	0 ms	364 KB	OK (2 queries)
23	Correct	1 ms	364 KB	OK (2 queries)
24	Correct	1 ms	364 KB	OK (2 queries)
25	Correct	0 ms	364 KB	OK (3 queries)
26	Correct	0 ms	364 KB	OK (3 queries)
27	Correct	0 ms	364 KB	OK (2 queries)
28	Correct	0 ms	364 KB	OK (3 queries)
29	Correct	1 ms	364 KB	OK (4 queries)
30	Correct	1 ms	364 KB	OK (4 queries)
31	Correct	0 ms	364 KB	OK (2 queries)
32	Correct	0 ms	364 KB	OK (3 queries)
33	Correct	1 ms	384 KB	OK (4 queries)
34	Correct	0 ms	364 KB	OK (5 queries)
35	Correct	0 ms	364 KB	OK (5 queries)
36	Correct	1 ms	364 KB	OK (2 queries)
37	Correct	1 ms	364 KB	OK (3 queries)
38	Correct	0 ms	364 KB	OK (4 queries)
39	Correct	0 ms	364 KB	OK (5 queries)
40	Correct	0 ms	364 KB	OK (6 queries)
41	Correct	1 ms	364 KB	OK (6 queries)
42	Correct	1 ms	364 KB	OK (2 queries)
43	Correct	0 ms	364 KB	OK (3 queries)
44	Correct	1 ms	364 KB	OK (4 queries)
45	Correct	1 ms	364 KB	OK (5 queries)
46	Correct	1 ms	364 KB	OK (6 queries)
47	Correct	1 ms	364 KB	OK (7 queries)
48	Correct	1 ms	364 KB	OK (7 queries)
49	Correct	0 ms	364 KB	OK (2 queries)
50	Correct	1 ms	364 KB	OK (3 queries)
51	Correct	1 ms	364 KB	OK (4 queries)
52	Correct	1 ms	364 KB	OK (5 queries)
53	Correct	1 ms	364 KB	OK (6 queries)
54	Correct	1 ms	364 KB	OK (7 queries)
55	Correct	1 ms	364 KB	OK (8 queries)
56	Correct	1 ms	364 KB	OK (8 queries)
57	Correct	1 ms	364 KB	OK (3 queries)
58	Correct	1 ms	364 KB	OK (2 queries)
59	Correct	1 ms	364 KB	OK (3 queries)
60	Correct	0 ms	364 KB	OK (2 queries)
61	Correct	1 ms	364 KB	OK (63 queries)
62	Correct	1 ms	364 KB	OK (2 queries)
63	Correct	1 ms	364 KB	OK (63 queries)
64	Correct	1 ms	364 KB	OK (3 queries)
65	Correct	1 ms	364 KB	OK (62 queries)
66	Correct	1 ms	364 KB	OK (4 queries)
67	Correct	1 ms	364 KB	OK (61 queries)
68	Correct	1 ms	364 KB	OK (5 queries)
69	Correct	1 ms	364 KB	OK (60 queries)
70	Correct	1 ms	364 KB	OK (6 queries)
71	Incorrect	2 ms	364 KB	Query limit exceeded
72	Halted	0 ms	0 KB	-