Submission #951096

# Submission time Handle Problem Language Result Execution time Memory
951096 2024-03-21T06:41:07 Z koukirocks Colors (BOI20_colors) C++17
9 / 100
1 ms 596 KB
#include <bits/stdc++.h>
#define speed ios_base::sync_with_stdio(0); cin.tie(0)
#define all(x) (x).begin(),(x).end()
#define F first
#define S second
 
using namespace std;
typedef long long ll;
typedef double db;
typedef long double ldb;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
 
const ll MAX=2e5+10,P=998244353;
const ll INF=0x3f3f3f3f,oo=0x3f3f3f3f3f3f3f3f;

int n;

int main() {
	speed;
	cin>>n;
	if (n<=64) {
		int now=1;
		int x;
		cout<<"? 1\n"<<flush;
		cin>>x;
		for (int i=1;i<n;i++) {
			now+=(i&1?1:-1)*(n-i);
			cout<<"? "<<now<<"\n"<<flush;
			cin>>x;
			if (x==0) {
				cout<<"= "<<(n-i+1)<<"\n"<<flush;
				return 0;
			}
		}
		cout<<"= 1\n"<<flush;
	}
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (5 queries)
2 Correct 1 ms 504 KB OK (6 queries)
3 Correct 1 ms 344 KB OK (10 queries)
4 Correct 0 ms 344 KB OK (26 queries)
5 Correct 0 ms 344 KB OK (13 queries)
6 Correct 1 ms 344 KB OK (26 queries)
7 Correct 1 ms 344 KB OK (17 queries)
8 Correct 1 ms 344 KB OK (7 queries)
9 Correct 0 ms 344 KB OK (9 queries)
10 Correct 1 ms 344 KB OK (11 queries)
11 Correct 1 ms 344 KB OK (4 queries)
12 Correct 0 ms 344 KB OK (5 queries)
13 Correct 0 ms 344 KB OK (11 queries)
14 Correct 1 ms 500 KB OK (16 queries)
15 Correct 1 ms 344 KB OK (11 queries)
16 Correct 1 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (2 queries)
18 Correct 1 ms 344 KB OK (16 queries)
19 Correct 0 ms 344 KB OK (3 queries)
20 Correct 0 ms 344 KB OK (31 queries)
21 Correct 0 ms 344 KB OK (9 queries)
22 Correct 0 ms 344 KB OK (2 queries)
23 Correct 0 ms 344 KB OK (2 queries)
24 Correct 0 ms 344 KB OK (2 queries)
25 Correct 1 ms 344 KB OK (3 queries)
26 Correct 0 ms 344 KB OK (3 queries)
27 Correct 0 ms 344 KB OK (2 queries)
28 Correct 0 ms 344 KB OK (3 queries)
29 Correct 0 ms 344 KB OK (4 queries)
30 Correct 0 ms 592 KB OK (4 queries)
31 Correct 0 ms 344 KB OK (2 queries)
32 Correct 0 ms 344 KB OK (3 queries)
33 Correct 0 ms 344 KB OK (4 queries)
34 Correct 0 ms 344 KB OK (5 queries)
35 Correct 1 ms 344 KB OK (5 queries)
36 Correct 0 ms 344 KB OK (2 queries)
37 Correct 0 ms 344 KB OK (3 queries)
38 Correct 1 ms 596 KB OK (4 queries)
39 Correct 0 ms 344 KB OK (5 queries)
40 Correct 0 ms 344 KB OK (6 queries)
41 Correct 1 ms 596 KB OK (6 queries)
42 Correct 1 ms 344 KB OK (2 queries)
43 Correct 0 ms 344 KB OK (3 queries)
44 Correct 0 ms 344 KB OK (4 queries)
45 Correct 0 ms 344 KB OK (5 queries)
46 Correct 1 ms 344 KB OK (6 queries)
47 Correct 0 ms 344 KB OK (7 queries)
48 Correct 0 ms 344 KB OK (7 queries)
49 Correct 0 ms 344 KB OK (2 queries)
50 Correct 0 ms 344 KB OK (3 queries)
51 Correct 1 ms 344 KB OK (4 queries)
52 Correct 0 ms 344 KB OK (5 queries)
53 Correct 0 ms 344 KB OK (6 queries)
54 Correct 1 ms 344 KB OK (7 queries)
55 Correct 0 ms 344 KB OK (8 queries)
56 Correct 1 ms 344 KB OK (8 queries)
57 Correct 1 ms 344 KB OK (3 queries)
58 Correct 0 ms 344 KB OK (2 queries)
59 Correct 0 ms 344 KB OK (3 queries)
60 Correct 0 ms 344 KB OK (2 queries)
61 Correct 1 ms 344 KB OK (63 queries)
62 Correct 0 ms 344 KB OK (2 queries)
63 Correct 1 ms 344 KB OK (63 queries)
64 Correct 0 ms 344 KB OK (3 queries)
65 Correct 1 ms 344 KB OK (62 queries)
66 Correct 0 ms 344 KB OK (4 queries)
67 Correct 1 ms 344 KB OK (61 queries)
68 Correct 0 ms 344 KB OK (5 queries)
69 Correct 0 ms 344 KB OK (60 queries)
70 Correct 0 ms 344 KB OK (6 queries)
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (5 queries)
2 Correct 1 ms 504 KB OK (6 queries)
3 Correct 1 ms 344 KB OK (10 queries)
4 Correct 0 ms 344 KB OK (26 queries)
5 Correct 0 ms 344 KB OK (13 queries)
6 Correct 1 ms 344 KB OK (26 queries)
7 Correct 1 ms 344 KB OK (17 queries)
8 Correct 1 ms 344 KB OK (7 queries)
9 Correct 0 ms 344 KB OK (9 queries)
10 Correct 1 ms 344 KB OK (11 queries)
11 Correct 1 ms 344 KB OK (4 queries)
12 Correct 0 ms 344 KB OK (5 queries)
13 Correct 0 ms 344 KB OK (11 queries)
14 Correct 1 ms 500 KB OK (16 queries)
15 Correct 1 ms 344 KB OK (11 queries)
16 Correct 1 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (2 queries)
18 Correct 1 ms 344 KB OK (16 queries)
19 Correct 0 ms 344 KB OK (3 queries)
20 Correct 0 ms 344 KB OK (31 queries)
21 Correct 0 ms 344 KB OK (9 queries)
22 Correct 0 ms 344 KB OK (2 queries)
23 Correct 0 ms 344 KB OK (2 queries)
24 Correct 0 ms 344 KB OK (2 queries)
25 Correct 1 ms 344 KB OK (3 queries)
26 Correct 0 ms 344 KB OK (3 queries)
27 Correct 0 ms 344 KB OK (2 queries)
28 Correct 0 ms 344 KB OK (3 queries)
29 Correct 0 ms 344 KB OK (4 queries)
30 Correct 0 ms 592 KB OK (4 queries)
31 Correct 0 ms 344 KB OK (2 queries)
32 Correct 0 ms 344 KB OK (3 queries)
33 Correct 0 ms 344 KB OK (4 queries)
34 Correct 0 ms 344 KB OK (5 queries)
35 Correct 1 ms 344 KB OK (5 queries)
36 Correct 0 ms 344 KB OK (2 queries)
37 Correct 0 ms 344 KB OK (3 queries)
38 Correct 1 ms 596 KB OK (4 queries)
39 Correct 0 ms 344 KB OK (5 queries)
40 Correct 0 ms 344 KB OK (6 queries)
41 Correct 1 ms 596 KB OK (6 queries)
42 Correct 1 ms 344 KB OK (2 queries)
43 Correct 0 ms 344 KB OK (3 queries)
44 Correct 0 ms 344 KB OK (4 queries)
45 Correct 0 ms 344 KB OK (5 queries)
46 Correct 1 ms 344 KB OK (6 queries)
47 Correct 0 ms 344 KB OK (7 queries)
48 Correct 0 ms 344 KB OK (7 queries)
49 Correct 0 ms 344 KB OK (2 queries)
50 Correct 0 ms 344 KB OK (3 queries)
51 Correct 1 ms 344 KB OK (4 queries)
52 Correct 0 ms 344 KB OK (5 queries)
53 Correct 0 ms 344 KB OK (6 queries)
54 Correct 1 ms 344 KB OK (7 queries)
55 Correct 0 ms 344 KB OK (8 queries)
56 Correct 1 ms 344 KB OK (8 queries)
57 Correct 1 ms 344 KB OK (3 queries)
58 Correct 0 ms 344 KB OK (2 queries)
59 Correct 0 ms 344 KB OK (3 queries)
60 Correct 0 ms 344 KB OK (2 queries)
61 Correct 1 ms 344 KB OK (63 queries)
62 Correct 0 ms 344 KB OK (2 queries)
63 Correct 1 ms 344 KB OK (63 queries)
64 Correct 0 ms 344 KB OK (3 queries)
65 Correct 1 ms 344 KB OK (62 queries)
66 Correct 0 ms 344 KB OK (4 queries)
67 Correct 1 ms 344 KB OK (61 queries)
68 Correct 0 ms 344 KB OK (5 queries)
69 Correct 0 ms 344 KB OK (60 queries)
70 Correct 0 ms 344 KB OK (6 queries)
71 Incorrect 1 ms 344 KB Unexpected end of file - token expected
72 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (5 queries)
2 Correct 1 ms 504 KB OK (6 queries)
3 Correct 1 ms 344 KB OK (10 queries)
4 Correct 0 ms 344 KB OK (26 queries)
5 Correct 0 ms 344 KB OK (13 queries)
6 Correct 1 ms 344 KB OK (26 queries)
7 Correct 1 ms 344 KB OK (17 queries)
8 Correct 1 ms 344 KB OK (7 queries)
9 Correct 0 ms 344 KB OK (9 queries)
10 Correct 1 ms 344 KB OK (11 queries)
11 Correct 1 ms 344 KB OK (4 queries)
12 Correct 0 ms 344 KB OK (5 queries)
13 Correct 0 ms 344 KB OK (11 queries)
14 Correct 1 ms 500 KB OK (16 queries)
15 Correct 1 ms 344 KB OK (11 queries)
16 Correct 1 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (2 queries)
18 Correct 1 ms 344 KB OK (16 queries)
19 Correct 0 ms 344 KB OK (3 queries)
20 Correct 0 ms 344 KB OK (31 queries)
21 Correct 0 ms 344 KB OK (9 queries)
22 Correct 0 ms 344 KB OK (2 queries)
23 Correct 0 ms 344 KB OK (2 queries)
24 Correct 0 ms 344 KB OK (2 queries)
25 Correct 1 ms 344 KB OK (3 queries)
26 Correct 0 ms 344 KB OK (3 queries)
27 Correct 0 ms 344 KB OK (2 queries)
28 Correct 0 ms 344 KB OK (3 queries)
29 Correct 0 ms 344 KB OK (4 queries)
30 Correct 0 ms 592 KB OK (4 queries)
31 Correct 0 ms 344 KB OK (2 queries)
32 Correct 0 ms 344 KB OK (3 queries)
33 Correct 0 ms 344 KB OK (4 queries)
34 Correct 0 ms 344 KB OK (5 queries)
35 Correct 1 ms 344 KB OK (5 queries)
36 Correct 0 ms 344 KB OK (2 queries)
37 Correct 0 ms 344 KB OK (3 queries)
38 Correct 1 ms 596 KB OK (4 queries)
39 Correct 0 ms 344 KB OK (5 queries)
40 Correct 0 ms 344 KB OK (6 queries)
41 Correct 1 ms 596 KB OK (6 queries)
42 Correct 1 ms 344 KB OK (2 queries)
43 Correct 0 ms 344 KB OK (3 queries)
44 Correct 0 ms 344 KB OK (4 queries)
45 Correct 0 ms 344 KB OK (5 queries)
46 Correct 1 ms 344 KB OK (6 queries)
47 Correct 0 ms 344 KB OK (7 queries)
48 Correct 0 ms 344 KB OK (7 queries)
49 Correct 0 ms 344 KB OK (2 queries)
50 Correct 0 ms 344 KB OK (3 queries)
51 Correct 1 ms 344 KB OK (4 queries)
52 Correct 0 ms 344 KB OK (5 queries)
53 Correct 0 ms 344 KB OK (6 queries)
54 Correct 1 ms 344 KB OK (7 queries)
55 Correct 0 ms 344 KB OK (8 queries)
56 Correct 1 ms 344 KB OK (8 queries)
57 Correct 1 ms 344 KB OK (3 queries)
58 Correct 0 ms 344 KB OK (2 queries)
59 Correct 0 ms 344 KB OK (3 queries)
60 Correct 0 ms 344 KB OK (2 queries)
61 Correct 1 ms 344 KB OK (63 queries)
62 Correct 0 ms 344 KB OK (2 queries)
63 Correct 1 ms 344 KB OK (63 queries)
64 Correct 0 ms 344 KB OK (3 queries)
65 Correct 1 ms 344 KB OK (62 queries)
66 Correct 0 ms 344 KB OK (4 queries)
67 Correct 1 ms 344 KB OK (61 queries)
68 Correct 0 ms 344 KB OK (5 queries)
69 Correct 0 ms 344 KB OK (60 queries)
70 Correct 0 ms 344 KB OK (6 queries)
71 Incorrect 1 ms 344 KB Unexpected end of file - token expected
72 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (5 queries)
2 Correct 1 ms 504 KB OK (6 queries)
3 Correct 1 ms 344 KB OK (10 queries)
4 Correct 0 ms 344 KB OK (26 queries)
5 Correct 0 ms 344 KB OK (13 queries)
6 Correct 1 ms 344 KB OK (26 queries)
7 Correct 1 ms 344 KB OK (17 queries)
8 Correct 1 ms 344 KB OK (7 queries)
9 Correct 0 ms 344 KB OK (9 queries)
10 Correct 1 ms 344 KB OK (11 queries)
11 Correct 1 ms 344 KB OK (4 queries)
12 Correct 0 ms 344 KB OK (5 queries)
13 Correct 0 ms 344 KB OK (11 queries)
14 Correct 1 ms 500 KB OK (16 queries)
15 Correct 1 ms 344 KB OK (11 queries)
16 Correct 1 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (2 queries)
18 Correct 1 ms 344 KB OK (16 queries)
19 Correct 0 ms 344 KB OK (3 queries)
20 Correct 0 ms 344 KB OK (31 queries)
21 Correct 0 ms 344 KB OK (9 queries)
22 Correct 0 ms 344 KB OK (2 queries)
23 Correct 0 ms 344 KB OK (2 queries)
24 Correct 0 ms 344 KB OK (2 queries)
25 Correct 1 ms 344 KB OK (3 queries)
26 Correct 0 ms 344 KB OK (3 queries)
27 Correct 0 ms 344 KB OK (2 queries)
28 Correct 0 ms 344 KB OK (3 queries)
29 Correct 0 ms 344 KB OK (4 queries)
30 Correct 0 ms 592 KB OK (4 queries)
31 Correct 0 ms 344 KB OK (2 queries)
32 Correct 0 ms 344 KB OK (3 queries)
33 Correct 0 ms 344 KB OK (4 queries)
34 Correct 0 ms 344 KB OK (5 queries)
35 Correct 1 ms 344 KB OK (5 queries)
36 Correct 0 ms 344 KB OK (2 queries)
37 Correct 0 ms 344 KB OK (3 queries)
38 Correct 1 ms 596 KB OK (4 queries)
39 Correct 0 ms 344 KB OK (5 queries)
40 Correct 0 ms 344 KB OK (6 queries)
41 Correct 1 ms 596 KB OK (6 queries)
42 Correct 1 ms 344 KB OK (2 queries)
43 Correct 0 ms 344 KB OK (3 queries)
44 Correct 0 ms 344 KB OK (4 queries)
45 Correct 0 ms 344 KB OK (5 queries)
46 Correct 1 ms 344 KB OK (6 queries)
47 Correct 0 ms 344 KB OK (7 queries)
48 Correct 0 ms 344 KB OK (7 queries)
49 Correct 0 ms 344 KB OK (2 queries)
50 Correct 0 ms 344 KB OK (3 queries)
51 Correct 1 ms 344 KB OK (4 queries)
52 Correct 0 ms 344 KB OK (5 queries)
53 Correct 0 ms 344 KB OK (6 queries)
54 Correct 1 ms 344 KB OK (7 queries)
55 Correct 0 ms 344 KB OK (8 queries)
56 Correct 1 ms 344 KB OK (8 queries)
57 Correct 1 ms 344 KB OK (3 queries)
58 Correct 0 ms 344 KB OK (2 queries)
59 Correct 0 ms 344 KB OK (3 queries)
60 Correct 0 ms 344 KB OK (2 queries)
61 Correct 1 ms 344 KB OK (63 queries)
62 Correct 0 ms 344 KB OK (2 queries)
63 Correct 1 ms 344 KB OK (63 queries)
64 Correct 0 ms 344 KB OK (3 queries)
65 Correct 1 ms 344 KB OK (62 queries)
66 Correct 0 ms 344 KB OK (4 queries)
67 Correct 1 ms 344 KB OK (61 queries)
68 Correct 0 ms 344 KB OK (5 queries)
69 Correct 0 ms 344 KB OK (60 queries)
70 Correct 0 ms 344 KB OK (6 queries)
71 Incorrect 1 ms 344 KB Unexpected end of file - token expected
72 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (5 queries)
2 Correct 1 ms 504 KB OK (6 queries)
3 Correct 1 ms 344 KB OK (10 queries)
4 Correct 0 ms 344 KB OK (26 queries)
5 Correct 0 ms 344 KB OK (13 queries)
6 Correct 1 ms 344 KB OK (26 queries)
7 Correct 1 ms 344 KB OK (17 queries)
8 Correct 1 ms 344 KB OK (7 queries)
9 Correct 0 ms 344 KB OK (9 queries)
10 Correct 1 ms 344 KB OK (11 queries)
11 Correct 1 ms 344 KB OK (4 queries)
12 Correct 0 ms 344 KB OK (5 queries)
13 Correct 0 ms 344 KB OK (11 queries)
14 Correct 1 ms 500 KB OK (16 queries)
15 Correct 1 ms 344 KB OK (11 queries)
16 Correct 1 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (2 queries)
18 Correct 1 ms 344 KB OK (16 queries)
19 Correct 0 ms 344 KB OK (3 queries)
20 Correct 0 ms 344 KB OK (31 queries)
21 Correct 0 ms 344 KB OK (9 queries)
22 Correct 0 ms 344 KB OK (2 queries)
23 Correct 0 ms 344 KB OK (2 queries)
24 Correct 0 ms 344 KB OK (2 queries)
25 Correct 1 ms 344 KB OK (3 queries)
26 Correct 0 ms 344 KB OK (3 queries)
27 Correct 0 ms 344 KB OK (2 queries)
28 Correct 0 ms 344 KB OK (3 queries)
29 Correct 0 ms 344 KB OK (4 queries)
30 Correct 0 ms 592 KB OK (4 queries)
31 Correct 0 ms 344 KB OK (2 queries)
32 Correct 0 ms 344 KB OK (3 queries)
33 Correct 0 ms 344 KB OK (4 queries)
34 Correct 0 ms 344 KB OK (5 queries)
35 Correct 1 ms 344 KB OK (5 queries)
36 Correct 0 ms 344 KB OK (2 queries)
37 Correct 0 ms 344 KB OK (3 queries)
38 Correct 1 ms 596 KB OK (4 queries)
39 Correct 0 ms 344 KB OK (5 queries)
40 Correct 0 ms 344 KB OK (6 queries)
41 Correct 1 ms 596 KB OK (6 queries)
42 Correct 1 ms 344 KB OK (2 queries)
43 Correct 0 ms 344 KB OK (3 queries)
44 Correct 0 ms 344 KB OK (4 queries)
45 Correct 0 ms 344 KB OK (5 queries)
46 Correct 1 ms 344 KB OK (6 queries)
47 Correct 0 ms 344 KB OK (7 queries)
48 Correct 0 ms 344 KB OK (7 queries)
49 Correct 0 ms 344 KB OK (2 queries)
50 Correct 0 ms 344 KB OK (3 queries)
51 Correct 1 ms 344 KB OK (4 queries)
52 Correct 0 ms 344 KB OK (5 queries)
53 Correct 0 ms 344 KB OK (6 queries)
54 Correct 1 ms 344 KB OK (7 queries)
55 Correct 0 ms 344 KB OK (8 queries)
56 Correct 1 ms 344 KB OK (8 queries)
57 Correct 1 ms 344 KB OK (3 queries)
58 Correct 0 ms 344 KB OK (2 queries)
59 Correct 0 ms 344 KB OK (3 queries)
60 Correct 0 ms 344 KB OK (2 queries)
61 Correct 1 ms 344 KB OK (63 queries)
62 Correct 0 ms 344 KB OK (2 queries)
63 Correct 1 ms 344 KB OK (63 queries)
64 Correct 0 ms 344 KB OK (3 queries)
65 Correct 1 ms 344 KB OK (62 queries)
66 Correct 0 ms 344 KB OK (4 queries)
67 Correct 1 ms 344 KB OK (61 queries)
68 Correct 0 ms 344 KB OK (5 queries)
69 Correct 0 ms 344 KB OK (60 queries)
70 Correct 0 ms 344 KB OK (6 queries)
71 Incorrect 1 ms 344 KB Unexpected end of file - token expected
72 Halted 0 ms 0 KB -