oj.uz

답안 #341924

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
341924 2020-12-31T13:18:40 Z a_player Colors (BOI20_colors) C++14
9 / 100
 2 ms 512 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int query(ll a){
  cout<<"? "<<a<<endl;
  int b;
 cin>>b;
 return b;
}
void answer(ll a){
  cout<<"= "<<a<<endl;
  exit(0);
}
int main(){
  int N;
  cin>>N;
  if(N>64)return 0;
  int ans=query(1);
   ans=query(N);
  if(ans==0)answer(N);
  int last=N-1;
  for(int i=2,j=N-1;last>1;i++,j--){
    ans=query(i);
    if(ans==0)answer(last);
    last--;
    if(last<=1)break;
    ans=query(j);
    if(ans==0)answer(last);
    last--;
  }
  answer(1);
}

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 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 364 KB OK (11 queries)
11 Correct 0 ms 364 KB OK (4 queries)
12 Correct 0 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 0 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 364 KB OK (16 queries)
19 Correct 1 ms 364 KB OK (3 queries)
20 Correct 1 ms 364 KB OK (31 queries)
21 Correct 1 ms 364 KB OK (9 queries)
22 Correct 1 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 1 ms 364 KB OK (3 queries)
27 Correct 1 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 1 ms 364 KB OK (2 queries)
32 Correct 1 ms 364 KB OK (3 queries)
33 Correct 1 ms 364 KB OK (4 queries)
34 Correct 1 ms 364 KB OK (5 queries)
35 Correct 1 ms 364 KB OK (5 queries)
36 Correct 0 ms 364 KB OK (2 queries)
37 Correct 1 ms 364 KB OK (3 queries)
38 Correct 1 ms 364 KB OK (4 queries)
39 Correct 0 ms 364 KB OK (5 queries)
40 Correct 1 ms 364 KB OK (6 queries)
41 Correct 1 ms 364 KB OK (6 queries)
42 Correct 1 ms 384 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 512 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 0 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 0 ms 364 KB OK (3 queries)
58 Correct 1 ms 384 KB OK (2 queries)
59 Correct 1 ms 364 KB OK (3 queries)
60 Correct 1 ms 364 KB OK (2 queries)
61 Correct 1 ms 364 KB OK (63 queries)
62 Correct 0 ms 364 KB OK (2 queries)
63 Correct 1 ms 364 KB OK (63 queries)
64 Correct 0 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 2 ms 364 KB OK (60 queries)
70 Correct 1 ms 364 KB OK (6 queries)

Subtask #2
0 / 13.0

# 결과 실행 시간 메모리 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 364 KB OK (11 queries)
11 Correct 0 ms 364 KB OK (4 queries)
12 Correct 0 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 0 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 364 KB OK (16 queries)
19 Correct 1 ms 364 KB OK (3 queries)
20 Correct 1 ms 364 KB OK (31 queries)
21 Correct 1 ms 364 KB OK (9 queries)
22 Correct 1 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 1 ms 364 KB OK (3 queries)
27 Correct 1 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 1 ms 364 KB OK (2 queries)
32 Correct 1 ms 364 KB OK (3 queries)
33 Correct 1 ms 364 KB OK (4 queries)
34 Correct 1 ms 364 KB OK (5 queries)
35 Correct 1 ms 364 KB OK (5 queries)
36 Correct 0 ms 364 KB OK (2 queries)
37 Correct 1 ms 364 KB OK (3 queries)
38 Correct 1 ms 364 KB OK (4 queries)
39 Correct 0 ms 364 KB OK (5 queries)
40 Correct 1 ms 364 KB OK (6 queries)
41 Correct 1 ms 364 KB OK (6 queries)
42 Correct 1 ms 384 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 512 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 0 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 0 ms 364 KB OK (3 queries)
58 Correct 1 ms 384 KB OK (2 queries)
59 Correct 1 ms 364 KB OK (3 queries)
60 Correct 1 ms 364 KB OK (2 queries)
61 Correct 1 ms 364 KB OK (63 queries)
62 Correct 0 ms 364 KB OK (2 queries)
63 Correct 1 ms 364 KB OK (63 queries)
64 Correct 0 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 2 ms 364 KB OK (60 queries)
70 Correct 1 ms 364 KB OK (6 queries)
71 Incorrect 0 ms 364 KB Unexpected end of file - token expected
72 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 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 364 KB OK (11 queries)
11 Correct 0 ms 364 KB OK (4 queries)
12 Correct 0 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 0 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 364 KB OK (16 queries)
19 Correct 1 ms 364 KB OK (3 queries)
20 Correct 1 ms 364 KB OK (31 queries)
21 Correct 1 ms 364 KB OK (9 queries)
22 Correct 1 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 1 ms 364 KB OK (3 queries)
27 Correct 1 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 1 ms 364 KB OK (2 queries)
32 Correct 1 ms 364 KB OK (3 queries)
33 Correct 1 ms 364 KB OK (4 queries)
34 Correct 1 ms 364 KB OK (5 queries)
35 Correct 1 ms 364 KB OK (5 queries)
36 Correct 0 ms 364 KB OK (2 queries)
37 Correct 1 ms 364 KB OK (3 queries)
38 Correct 1 ms 364 KB OK (4 queries)
39 Correct 0 ms 364 KB OK (5 queries)
40 Correct 1 ms 364 KB OK (6 queries)
41 Correct 1 ms 364 KB OK (6 queries)
42 Correct 1 ms 384 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 512 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 0 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 0 ms 364 KB OK (3 queries)
58 Correct 1 ms 384 KB OK (2 queries)
59 Correct 1 ms 364 KB OK (3 queries)
60 Correct 1 ms 364 KB OK (2 queries)
61 Correct 1 ms 364 KB OK (63 queries)
62 Correct 0 ms 364 KB OK (2 queries)
63 Correct 1 ms 364 KB OK (63 queries)
64 Correct 0 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 2 ms 364 KB OK (60 queries)
70 Correct 1 ms 364 KB OK (6 queries)
71 Incorrect 0 ms 364 KB Unexpected end of file - token expected
72 Halted 0 ms 0 KB -

Subtask #4
0 / 24.0

# 결과 실행 시간 메모리 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 364 KB OK (11 queries)
11 Correct 0 ms 364 KB OK (4 queries)
12 Correct 0 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 0 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 364 KB OK (16 queries)
19 Correct 1 ms 364 KB OK (3 queries)
20 Correct 1 ms 364 KB OK (31 queries)
21 Correct 1 ms 364 KB OK (9 queries)
22 Correct 1 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 1 ms 364 KB OK (3 queries)
27 Correct 1 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 1 ms 364 KB OK (2 queries)
32 Correct 1 ms 364 KB OK (3 queries)
33 Correct 1 ms 364 KB OK (4 queries)
34 Correct 1 ms 364 KB OK (5 queries)
35 Correct 1 ms 364 KB OK (5 queries)
36 Correct 0 ms 364 KB OK (2 queries)
37 Correct 1 ms 364 KB OK (3 queries)
38 Correct 1 ms 364 KB OK (4 queries)
39 Correct 0 ms 364 KB OK (5 queries)
40 Correct 1 ms 364 KB OK (6 queries)
41 Correct 1 ms 364 KB OK (6 queries)
42 Correct 1 ms 384 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 512 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 0 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 0 ms 364 KB OK (3 queries)
58 Correct 1 ms 384 KB OK (2 queries)
59 Correct 1 ms 364 KB OK (3 queries)
60 Correct 1 ms 364 KB OK (2 queries)
61 Correct 1 ms 364 KB OK (63 queries)
62 Correct 0 ms 364 KB OK (2 queries)
63 Correct 1 ms 364 KB OK (63 queries)
64 Correct 0 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 2 ms 364 KB OK (60 queries)
70 Correct 1 ms 364 KB OK (6 queries)
71 Incorrect 0 ms 364 KB Unexpected end of file - token expected
72 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# 결과 실행 시간 메모리 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 364 KB OK (11 queries)
11 Correct 0 ms 364 KB OK (4 queries)
12 Correct 0 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 0 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 364 KB OK (16 queries)
19 Correct 1 ms 364 KB OK (3 queries)
20 Correct 1 ms 364 KB OK (31 queries)
21 Correct 1 ms 364 KB OK (9 queries)
22 Correct 1 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 1 ms 364 KB OK (3 queries)
27 Correct 1 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 1 ms 364 KB OK (2 queries)
32 Correct 1 ms 364 KB OK (3 queries)
33 Correct 1 ms 364 KB OK (4 queries)
34 Correct 1 ms 364 KB OK (5 queries)
35 Correct 1 ms 364 KB OK (5 queries)
36 Correct 0 ms 364 KB OK (2 queries)
37 Correct 1 ms 364 KB OK (3 queries)
38 Correct 1 ms 364 KB OK (4 queries)
39 Correct 0 ms 364 KB OK (5 queries)
40 Correct 1 ms 364 KB OK (6 queries)
41 Correct 1 ms 364 KB OK (6 queries)
42 Correct 1 ms 384 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 512 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 0 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 0 ms 364 KB OK (3 queries)
58 Correct 1 ms 384 KB OK (2 queries)
59 Correct 1 ms 364 KB OK (3 queries)
60 Correct 1 ms 364 KB OK (2 queries)
61 Correct 1 ms 364 KB OK (63 queries)
62 Correct 0 ms 364 KB OK (2 queries)
63 Correct 1 ms 364 KB OK (63 queries)
64 Correct 0 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 2 ms 364 KB OK (60 queries)
70 Correct 1 ms 364 KB OK (6 queries)
71 Incorrect 0 ms 364 KB Unexpected end of file - token expected
72 Halted 0 ms 0 KB -