oj.uz

Submission #659029

# Submission time Handle Problem Language Result Execution time Memory
659029 2022-11-15T22:14:42 Z inksamurai Colors (BOI20_colors) C++17
9 / 100
 1 ms 464 KB 
#include <bits/stdc++.h>
#define int ll
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define rng(i,c,n) for(int i=c;i<n;i++)
#define fi first
#define se second
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3fm6nhZ ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}

// int c=2;

void answer(int n){
	cout<<"= "<<n<<endl;
	exit(0);
}

int _lst=-1;

int ask(int n){
	cout<<"? "<<n<<endl;
	// int x=(_lst==-1?-1:abs(n-_lst)>=c);
	int x;
	cin>>x;
	return x;
}

signed main(){
_3fm6nhZ;
	int n;
	cin>>n;
	if(n<=64){
		for(int i=1;i<=n;i++){
			if(i>n-i+1) break;
			int c0=ask(i);
			if(!c0 and i>1){
				answer(abs(i-_lst)+1);
			}
			_lst=i;
			if(i!=n-i+1){
				int c1=ask(n-i+1);
				// print(c1,_lst);
				if(!c1){
					answer(abs(n-i+1-_lst)+1);
				}
				_lst=n-i+1;
			}
		}
		answer(1);
	}else{
		assert(0);
		// int l=1,r=
		// while(l<=r){

		// }
	}

}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB OK (5 queries)
2 Correct 0 ms 208 KB OK (6 queries)
3 Correct 0 ms 208 KB OK (10 queries)
4 Correct 1 ms 208 KB OK (26 queries)
5 Correct 0 ms 208 KB OK (13 queries)
6 Correct 0 ms 208 KB OK (26 queries)
7 Correct 0 ms 208 KB OK (17 queries)
8 Correct 0 ms 208 KB OK (7 queries)
9 Correct 0 ms 208 KB OK (9 queries)
10 Correct 0 ms 208 KB OK (11 queries)
11 Correct 0 ms 208 KB OK (4 queries)
12 Correct 0 ms 208 KB OK (5 queries)
13 Correct 0 ms 208 KB OK (11 queries)
14 Correct 0 ms 208 KB OK (16 queries)
15 Correct 0 ms 208 KB OK (11 queries)
16 Correct 0 ms 208 KB OK (34 queries)
17 Correct 1 ms 208 KB OK (2 queries)
18 Correct 1 ms 208 KB OK (16 queries)
19 Correct 0 ms 208 KB OK (3 queries)
20 Correct 1 ms 208 KB OK (31 queries)
21 Correct 1 ms 208 KB OK (9 queries)
22 Correct 1 ms 208 KB OK (2 queries)
23 Correct 0 ms 208 KB OK (2 queries)
24 Correct 1 ms 208 KB OK (2 queries)
25 Correct 0 ms 208 KB OK (3 queries)
26 Correct 0 ms 208 KB OK (3 queries)
27 Correct 0 ms 208 KB OK (2 queries)
28 Correct 0 ms 208 KB OK (3 queries)
29 Correct 0 ms 208 KB OK (4 queries)
30 Correct 0 ms 208 KB OK (4 queries)
31 Correct 1 ms 312 KB OK (2 queries)
32 Correct 0 ms 208 KB OK (3 queries)
33 Correct 0 ms 208 KB OK (4 queries)
34 Correct 0 ms 208 KB OK (5 queries)
35 Correct 1 ms 208 KB OK (5 queries)
36 Correct 1 ms 336 KB OK (2 queries)
37 Correct 1 ms 208 KB OK (3 queries)
38 Correct 1 ms 208 KB OK (4 queries)
39 Correct 1 ms 316 KB OK (5 queries)
40 Correct 1 ms 208 KB OK (6 queries)
41 Correct 0 ms 208 KB OK (6 queries)
42 Correct 0 ms 208 KB OK (2 queries)
43 Correct 1 ms 208 KB OK (3 queries)
44 Correct 1 ms 208 KB OK (4 queries)
45 Correct 0 ms 208 KB OK (5 queries)
46 Correct 0 ms 208 KB OK (6 queries)
47 Correct 0 ms 208 KB OK (7 queries)
48 Correct 1 ms 208 KB OK (7 queries)
49 Correct 1 ms 208 KB OK (2 queries)
50 Correct 1 ms 208 KB OK (3 queries)
51 Correct 1 ms 208 KB OK (4 queries)
52 Correct 0 ms 208 KB OK (5 queries)
53 Correct 1 ms 208 KB OK (6 queries)
54 Correct 0 ms 208 KB OK (7 queries)
55 Correct 0 ms 208 KB OK (8 queries)
56 Correct 0 ms 208 KB OK (8 queries)
57 Correct 1 ms 208 KB OK (3 queries)
58 Correct 1 ms 208 KB OK (2 queries)
59 Correct 1 ms 208 KB OK (3 queries)
60 Correct 1 ms 208 KB OK (2 queries)
61 Correct 1 ms 208 KB OK (63 queries)
62 Correct 0 ms 208 KB OK (2 queries)
63 Correct 1 ms 208 KB OK (63 queries)
64 Correct 0 ms 208 KB OK (3 queries)
65 Correct 1 ms 208 KB OK (62 queries)
66 Correct 1 ms 208 KB OK (4 queries)
67 Correct 1 ms 208 KB OK (61 queries)
68 Correct 0 ms 208 KB OK (5 queries)
69 Correct 1 ms 248 KB OK (60 queries)
70 Correct 1 ms 208 KB OK (6 queries)

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB OK (5 queries)
2 Correct 0 ms 208 KB OK (6 queries)
3 Correct 0 ms 208 KB OK (10 queries)
4 Correct 1 ms 208 KB OK (26 queries)
5 Correct 0 ms 208 KB OK (13 queries)
6 Correct 0 ms 208 KB OK (26 queries)
7 Correct 0 ms 208 KB OK (17 queries)
8 Correct 0 ms 208 KB OK (7 queries)
9 Correct 0 ms 208 KB OK (9 queries)
10 Correct 0 ms 208 KB OK (11 queries)
11 Correct 0 ms 208 KB OK (4 queries)
12 Correct 0 ms 208 KB OK (5 queries)
13 Correct 0 ms 208 KB OK (11 queries)
14 Correct 0 ms 208 KB OK (16 queries)
15 Correct 0 ms 208 KB OK (11 queries)
16 Correct 0 ms 208 KB OK (34 queries)
17 Correct 1 ms 208 KB OK (2 queries)
18 Correct 1 ms 208 KB OK (16 queries)
19 Correct 0 ms 208 KB OK (3 queries)
20 Correct 1 ms 208 KB OK (31 queries)
21 Correct 1 ms 208 KB OK (9 queries)
22 Correct 1 ms 208 KB OK (2 queries)
23 Correct 0 ms 208 KB OK (2 queries)
24 Correct 1 ms 208 KB OK (2 queries)
25 Correct 0 ms 208 KB OK (3 queries)
26 Correct 0 ms 208 KB OK (3 queries)
27 Correct 0 ms 208 KB OK (2 queries)
28 Correct 0 ms 208 KB OK (3 queries)
29 Correct 0 ms 208 KB OK (4 queries)
30 Correct 0 ms 208 KB OK (4 queries)
31 Correct 1 ms 312 KB OK (2 queries)
32 Correct 0 ms 208 KB OK (3 queries)
33 Correct 0 ms 208 KB OK (4 queries)
34 Correct 0 ms 208 KB OK (5 queries)
35 Correct 1 ms 208 KB OK (5 queries)
36 Correct 1 ms 336 KB OK (2 queries)
37 Correct 1 ms 208 KB OK (3 queries)
38 Correct 1 ms 208 KB OK (4 queries)
39 Correct 1 ms 316 KB OK (5 queries)
40 Correct 1 ms 208 KB OK (6 queries)
41 Correct 0 ms 208 KB OK (6 queries)
42 Correct 0 ms 208 KB OK (2 queries)
43 Correct 1 ms 208 KB OK (3 queries)
44 Correct 1 ms 208 KB OK (4 queries)
45 Correct 0 ms 208 KB OK (5 queries)
46 Correct 0 ms 208 KB OK (6 queries)
47 Correct 0 ms 208 KB OK (7 queries)
48 Correct 1 ms 208 KB OK (7 queries)
49 Correct 1 ms 208 KB OK (2 queries)
50 Correct 1 ms 208 KB OK (3 queries)
51 Correct 1 ms 208 KB OK (4 queries)
52 Correct 0 ms 208 KB OK (5 queries)
53 Correct 1 ms 208 KB OK (6 queries)
54 Correct 0 ms 208 KB OK (7 queries)
55 Correct 0 ms 208 KB OK (8 queries)
56 Correct 0 ms 208 KB OK (8 queries)
57 Correct 1 ms 208 KB OK (3 queries)
58 Correct 1 ms 208 KB OK (2 queries)
59 Correct 1 ms 208 KB OK (3 queries)
60 Correct 1 ms 208 KB OK (2 queries)
61 Correct 1 ms 208 KB OK (63 queries)
62 Correct 0 ms 208 KB OK (2 queries)
63 Correct 1 ms 208 KB OK (63 queries)
64 Correct 0 ms 208 KB OK (3 queries)
65 Correct 1 ms 208 KB OK (62 queries)
66 Correct 1 ms 208 KB OK (4 queries)
67 Correct 1 ms 208 KB OK (61 queries)
68 Correct 0 ms 208 KB OK (5 queries)
69 Correct 1 ms 248 KB OK (60 queries)
70 Correct 1 ms 208 KB OK (6 queries)
71 Runtime error 1 ms 464 KB Execution killed with signal 6
72 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB OK (5 queries)
2 Correct 0 ms 208 KB OK (6 queries)
3 Correct 0 ms 208 KB OK (10 queries)
4 Correct 1 ms 208 KB OK (26 queries)
5 Correct 0 ms 208 KB OK (13 queries)
6 Correct 0 ms 208 KB OK (26 queries)
7 Correct 0 ms 208 KB OK (17 queries)
8 Correct 0 ms 208 KB OK (7 queries)
9 Correct 0 ms 208 KB OK (9 queries)
10 Correct 0 ms 208 KB OK (11 queries)
11 Correct 0 ms 208 KB OK (4 queries)
12 Correct 0 ms 208 KB OK (5 queries)
13 Correct 0 ms 208 KB OK (11 queries)
14 Correct 0 ms 208 KB OK (16 queries)
15 Correct 0 ms 208 KB OK (11 queries)
16 Correct 0 ms 208 KB OK (34 queries)
17 Correct 1 ms 208 KB OK (2 queries)
18 Correct 1 ms 208 KB OK (16 queries)
19 Correct 0 ms 208 KB OK (3 queries)
20 Correct 1 ms 208 KB OK (31 queries)
21 Correct 1 ms 208 KB OK (9 queries)
22 Correct 1 ms 208 KB OK (2 queries)
23 Correct 0 ms 208 KB OK (2 queries)
24 Correct 1 ms 208 KB OK (2 queries)
25 Correct 0 ms 208 KB OK (3 queries)
26 Correct 0 ms 208 KB OK (3 queries)
27 Correct 0 ms 208 KB OK (2 queries)
28 Correct 0 ms 208 KB OK (3 queries)
29 Correct 0 ms 208 KB OK (4 queries)
30 Correct 0 ms 208 KB OK (4 queries)
31 Correct 1 ms 312 KB OK (2 queries)
32 Correct 0 ms 208 KB OK (3 queries)
33 Correct 0 ms 208 KB OK (4 queries)
34 Correct 0 ms 208 KB OK (5 queries)
35 Correct 1 ms 208 KB OK (5 queries)
36 Correct 1 ms 336 KB OK (2 queries)
37 Correct 1 ms 208 KB OK (3 queries)
38 Correct 1 ms 208 KB OK (4 queries)
39 Correct 1 ms 316 KB OK (5 queries)
40 Correct 1 ms 208 KB OK (6 queries)
41 Correct 0 ms 208 KB OK (6 queries)
42 Correct 0 ms 208 KB OK (2 queries)
43 Correct 1 ms 208 KB OK (3 queries)
44 Correct 1 ms 208 KB OK (4 queries)
45 Correct 0 ms 208 KB OK (5 queries)
46 Correct 0 ms 208 KB OK (6 queries)
47 Correct 0 ms 208 KB OK (7 queries)
48 Correct 1 ms 208 KB OK (7 queries)
49 Correct 1 ms 208 KB OK (2 queries)
50 Correct 1 ms 208 KB OK (3 queries)
51 Correct 1 ms 208 KB OK (4 queries)
52 Correct 0 ms 208 KB OK (5 queries)
53 Correct 1 ms 208 KB OK (6 queries)
54 Correct 0 ms 208 KB OK (7 queries)
55 Correct 0 ms 208 KB OK (8 queries)
56 Correct 0 ms 208 KB OK (8 queries)
57 Correct 1 ms 208 KB OK (3 queries)
58 Correct 1 ms 208 KB OK (2 queries)
59 Correct 1 ms 208 KB OK (3 queries)
60 Correct 1 ms 208 KB OK (2 queries)
61 Correct 1 ms 208 KB OK (63 queries)
62 Correct 0 ms 208 KB OK (2 queries)
63 Correct 1 ms 208 KB OK (63 queries)
64 Correct 0 ms 208 KB OK (3 queries)
65 Correct 1 ms 208 KB OK (62 queries)
66 Correct 1 ms 208 KB OK (4 queries)
67 Correct 1 ms 208 KB OK (61 queries)
68 Correct 0 ms 208 KB OK (5 queries)
69 Correct 1 ms 248 KB OK (60 queries)
70 Correct 1 ms 208 KB OK (6 queries)
71 Runtime error 1 ms 464 KB Execution killed with signal 6
72 Halted 0 ms 0 KB -

Subtask #4
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB OK (5 queries)
2 Correct 0 ms 208 KB OK (6 queries)
3 Correct 0 ms 208 KB OK (10 queries)
4 Correct 1 ms 208 KB OK (26 queries)
5 Correct 0 ms 208 KB OK (13 queries)
6 Correct 0 ms 208 KB OK (26 queries)
7 Correct 0 ms 208 KB OK (17 queries)
8 Correct 0 ms 208 KB OK (7 queries)
9 Correct 0 ms 208 KB OK (9 queries)
10 Correct 0 ms 208 KB OK (11 queries)
11 Correct 0 ms 208 KB OK (4 queries)
12 Correct 0 ms 208 KB OK (5 queries)
13 Correct 0 ms 208 KB OK (11 queries)
14 Correct 0 ms 208 KB OK (16 queries)
15 Correct 0 ms 208 KB OK (11 queries)
16 Correct 0 ms 208 KB OK (34 queries)
17 Correct 1 ms 208 KB OK (2 queries)
18 Correct 1 ms 208 KB OK (16 queries)
19 Correct 0 ms 208 KB OK (3 queries)
20 Correct 1 ms 208 KB OK (31 queries)
21 Correct 1 ms 208 KB OK (9 queries)
22 Correct 1 ms 208 KB OK (2 queries)
23 Correct 0 ms 208 KB OK (2 queries)
24 Correct 1 ms 208 KB OK (2 queries)
25 Correct 0 ms 208 KB OK (3 queries)
26 Correct 0 ms 208 KB OK (3 queries)
27 Correct 0 ms 208 KB OK (2 queries)
28 Correct 0 ms 208 KB OK (3 queries)
29 Correct 0 ms 208 KB OK (4 queries)
30 Correct 0 ms 208 KB OK (4 queries)
31 Correct 1 ms 312 KB OK (2 queries)
32 Correct 0 ms 208 KB OK (3 queries)
33 Correct 0 ms 208 KB OK (4 queries)
34 Correct 0 ms 208 KB OK (5 queries)
35 Correct 1 ms 208 KB OK (5 queries)
36 Correct 1 ms 336 KB OK (2 queries)
37 Correct 1 ms 208 KB OK (3 queries)
38 Correct 1 ms 208 KB OK (4 queries)
39 Correct 1 ms 316 KB OK (5 queries)
40 Correct 1 ms 208 KB OK (6 queries)
41 Correct 0 ms 208 KB OK (6 queries)
42 Correct 0 ms 208 KB OK (2 queries)
43 Correct 1 ms 208 KB OK (3 queries)
44 Correct 1 ms 208 KB OK (4 queries)
45 Correct 0 ms 208 KB OK (5 queries)
46 Correct 0 ms 208 KB OK (6 queries)
47 Correct 0 ms 208 KB OK (7 queries)
48 Correct 1 ms 208 KB OK (7 queries)
49 Correct 1 ms 208 KB OK (2 queries)
50 Correct 1 ms 208 KB OK (3 queries)
51 Correct 1 ms 208 KB OK (4 queries)
52 Correct 0 ms 208 KB OK (5 queries)
53 Correct 1 ms 208 KB OK (6 queries)
54 Correct 0 ms 208 KB OK (7 queries)
55 Correct 0 ms 208 KB OK (8 queries)
56 Correct 0 ms 208 KB OK (8 queries)
57 Correct 1 ms 208 KB OK (3 queries)
58 Correct 1 ms 208 KB OK (2 queries)
59 Correct 1 ms 208 KB OK (3 queries)
60 Correct 1 ms 208 KB OK (2 queries)
61 Correct 1 ms 208 KB OK (63 queries)
62 Correct 0 ms 208 KB OK (2 queries)
63 Correct 1 ms 208 KB OK (63 queries)
64 Correct 0 ms 208 KB OK (3 queries)
65 Correct 1 ms 208 KB OK (62 queries)
66 Correct 1 ms 208 KB OK (4 queries)
67 Correct 1 ms 208 KB OK (61 queries)
68 Correct 0 ms 208 KB OK (5 queries)
69 Correct 1 ms 248 KB OK (60 queries)
70 Correct 1 ms 208 KB OK (6 queries)
71 Runtime error 1 ms 464 KB Execution killed with signal 6
72 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB OK (5 queries)
2 Correct 0 ms 208 KB OK (6 queries)
3 Correct 0 ms 208 KB OK (10 queries)
4 Correct 1 ms 208 KB OK (26 queries)
5 Correct 0 ms 208 KB OK (13 queries)
6 Correct 0 ms 208 KB OK (26 queries)
7 Correct 0 ms 208 KB OK (17 queries)
8 Correct 0 ms 208 KB OK (7 queries)
9 Correct 0 ms 208 KB OK (9 queries)
10 Correct 0 ms 208 KB OK (11 queries)
11 Correct 0 ms 208 KB OK (4 queries)
12 Correct 0 ms 208 KB OK (5 queries)
13 Correct 0 ms 208 KB OK (11 queries)
14 Correct 0 ms 208 KB OK (16 queries)
15 Correct 0 ms 208 KB OK (11 queries)
16 Correct 0 ms 208 KB OK (34 queries)
17 Correct 1 ms 208 KB OK (2 queries)
18 Correct 1 ms 208 KB OK (16 queries)
19 Correct 0 ms 208 KB OK (3 queries)
20 Correct 1 ms 208 KB OK (31 queries)
21 Correct 1 ms 208 KB OK (9 queries)
22 Correct 1 ms 208 KB OK (2 queries)
23 Correct 0 ms 208 KB OK (2 queries)
24 Correct 1 ms 208 KB OK (2 queries)
25 Correct 0 ms 208 KB OK (3 queries)
26 Correct 0 ms 208 KB OK (3 queries)
27 Correct 0 ms 208 KB OK (2 queries)
28 Correct 0 ms 208 KB OK (3 queries)
29 Correct 0 ms 208 KB OK (4 queries)
30 Correct 0 ms 208 KB OK (4 queries)
31 Correct 1 ms 312 KB OK (2 queries)
32 Correct 0 ms 208 KB OK (3 queries)
33 Correct 0 ms 208 KB OK (4 queries)
34 Correct 0 ms 208 KB OK (5 queries)
35 Correct 1 ms 208 KB OK (5 queries)
36 Correct 1 ms 336 KB OK (2 queries)
37 Correct 1 ms 208 KB OK (3 queries)
38 Correct 1 ms 208 KB OK (4 queries)
39 Correct 1 ms 316 KB OK (5 queries)
40 Correct 1 ms 208 KB OK (6 queries)
41 Correct 0 ms 208 KB OK (6 queries)
42 Correct 0 ms 208 KB OK (2 queries)
43 Correct 1 ms 208 KB OK (3 queries)
44 Correct 1 ms 208 KB OK (4 queries)
45 Correct 0 ms 208 KB OK (5 queries)
46 Correct 0 ms 208 KB OK (6 queries)
47 Correct 0 ms 208 KB OK (7 queries)
48 Correct 1 ms 208 KB OK (7 queries)
49 Correct 1 ms 208 KB OK (2 queries)
50 Correct 1 ms 208 KB OK (3 queries)
51 Correct 1 ms 208 KB OK (4 queries)
52 Correct 0 ms 208 KB OK (5 queries)
53 Correct 1 ms 208 KB OK (6 queries)
54 Correct 0 ms 208 KB OK (7 queries)
55 Correct 0 ms 208 KB OK (8 queries)
56 Correct 0 ms 208 KB OK (8 queries)
57 Correct 1 ms 208 KB OK (3 queries)
58 Correct 1 ms 208 KB OK (2 queries)
59 Correct 1 ms 208 KB OK (3 queries)
60 Correct 1 ms 208 KB OK (2 queries)
61 Correct 1 ms 208 KB OK (63 queries)
62 Correct 0 ms 208 KB OK (2 queries)
63 Correct 1 ms 208 KB OK (63 queries)
64 Correct 0 ms 208 KB OK (3 queries)
65 Correct 1 ms 208 KB OK (62 queries)
66 Correct 1 ms 208 KB OK (4 queries)
67 Correct 1 ms 208 KB OK (61 queries)
68 Correct 0 ms 208 KB OK (5 queries)
69 Correct 1 ms 248 KB OK (60 queries)
70 Correct 1 ms 208 KB OK (6 queries)
71 Runtime error 1 ms 464 KB Execution killed with signal 6
72 Halted 0 ms 0 KB -