Submission #1096276

# Submission time Handle Problem Language Result Execution time Memory
1096276 2024-10-04T07:43:39 Z laure Colors (BOI20_colors) C++14
9 / 100
1 ms 448 KB
#include<bits/stdc++.h>
#define int long long
using namespace std;
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin>>n;
    int p=1,c=n,x;
    cout<<"? 1"<<endl;
    cin>>x;
    cout<<"? "<<n<<endl;
    cin>>x;
    if(x)c--;
    for(int i=2;i<=(n/2);i++)
    {
        cout<<"? "<<i<<endl;
        cin>>x;
        if(x)c--;
        else break;
        cout<<"? "<<n-i+1<<endl;
        cin>>x;
        if(x)c--;
        else break;
    }
    if(n%2!=0&&c==2)
    {
        cout<<"? "<<n/2+1<<endl;
        cin>>x;
        if(x)c--;
    }
    cout<<"= "<<c<<endl;
}

Compilation message

Colors.cpp: In function 'int main()':
Colors.cpp:11:9: warning: unused variable 'p' [-Wunused-variable]
   11 |     int p=1,c=n,x;
      |         ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (5 queries)
2 Correct 0 ms 344 KB OK (6 queries)
3 Correct 0 ms 344 KB OK (10 queries)
4 Correct 0 ms 344 KB OK (26 queries)
5 Correct 1 ms 344 KB OK (13 queries)
6 Correct 1 ms 344 KB OK (26 queries)
7 Correct 0 ms 344 KB OK (17 queries)
8 Correct 0 ms 344 KB OK (7 queries)
9 Correct 0 ms 344 KB OK (9 queries)
10 Correct 0 ms 344 KB OK (11 queries)
11 Correct 0 ms 448 KB OK (4 queries)
12 Correct 1 ms 344 KB OK (5 queries)
13 Correct 0 ms 344 KB OK (11 queries)
14 Correct 1 ms 344 KB OK (16 queries)
15 Correct 0 ms 344 KB OK (11 queries)
16 Correct 1 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (3 queries)
18 Correct 0 ms 344 KB OK (16 queries)
19 Correct 0 ms 344 KB OK (3 queries)
20 Correct 1 ms 344 KB OK (31 queries)
21 Correct 1 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 0 ms 344 KB OK (3 queries)
26 Correct 0 ms 344 KB OK (3 queries)
27 Correct 1 ms 344 KB OK (3 queries)
28 Correct 0 ms 344 KB OK (3 queries)
29 Correct 0 ms 344 KB OK (4 queries)
30 Correct 0 ms 344 KB OK (4 queries)
31 Correct 0 ms 344 KB OK (3 queries)
32 Correct 1 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 0 ms 344 KB OK (5 queries)
36 Correct 0 ms 344 KB OK (3 queries)
37 Correct 1 ms 344 KB OK (3 queries)
38 Correct 0 ms 344 KB OK (4 queries)
39 Correct 1 ms 344 KB OK (5 queries)
40 Correct 1 ms 344 KB OK (6 queries)
41 Correct 1 ms 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (3 queries)
43 Correct 0 ms 344 KB OK (3 queries)
44 Correct 1 ms 340 KB OK (4 queries)
45 Correct 0 ms 344 KB OK (5 queries)
46 Correct 0 ms 344 KB OK (6 queries)
47 Correct 0 ms 344 KB OK (7 queries)
48 Correct 1 ms 344 KB OK (7 queries)
49 Correct 1 ms 344 KB OK (3 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 1 ms 344 KB OK (6 queries)
54 Correct 0 ms 344 KB OK (7 queries)
55 Correct 0 ms 344 KB OK (8 queries)
56 Correct 0 ms 344 KB OK (8 queries)
57 Correct 1 ms 344 KB OK (3 queries)
58 Correct 0 ms 344 KB OK (3 queries)
59 Correct 1 ms 344 KB OK (3 queries)
60 Correct 1 ms 344 KB OK (3 queries)
61 Correct 1 ms 344 KB OK (63 queries)
62 Correct 0 ms 344 KB OK (3 queries)
63 Correct 1 ms 344 KB OK (63 queries)
64 Correct 1 ms 344 KB OK (3 queries)
65 Correct 0 ms 344 KB OK (62 queries)
66 Correct 0 ms 344 KB OK (4 queries)
67 Correct 0 ms 344 KB OK (61 queries)
68 Correct 1 ms 344 KB OK (5 queries)
69 Correct 1 ms 344 KB OK (60 queries)
70 Correct 1 ms 344 KB OK (6 queries)
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (5 queries)
2 Correct 0 ms 344 KB OK (6 queries)
3 Correct 0 ms 344 KB OK (10 queries)
4 Correct 0 ms 344 KB OK (26 queries)
5 Correct 1 ms 344 KB OK (13 queries)
6 Correct 1 ms 344 KB OK (26 queries)
7 Correct 0 ms 344 KB OK (17 queries)
8 Correct 0 ms 344 KB OK (7 queries)
9 Correct 0 ms 344 KB OK (9 queries)
10 Correct 0 ms 344 KB OK (11 queries)
11 Correct 0 ms 448 KB OK (4 queries)
12 Correct 1 ms 344 KB OK (5 queries)
13 Correct 0 ms 344 KB OK (11 queries)
14 Correct 1 ms 344 KB OK (16 queries)
15 Correct 0 ms 344 KB OK (11 queries)
16 Correct 1 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (3 queries)
18 Correct 0 ms 344 KB OK (16 queries)
19 Correct 0 ms 344 KB OK (3 queries)
20 Correct 1 ms 344 KB OK (31 queries)
21 Correct 1 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 0 ms 344 KB OK (3 queries)
26 Correct 0 ms 344 KB OK (3 queries)
27 Correct 1 ms 344 KB OK (3 queries)
28 Correct 0 ms 344 KB OK (3 queries)
29 Correct 0 ms 344 KB OK (4 queries)
30 Correct 0 ms 344 KB OK (4 queries)
31 Correct 0 ms 344 KB OK (3 queries)
32 Correct 1 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 0 ms 344 KB OK (5 queries)
36 Correct 0 ms 344 KB OK (3 queries)
37 Correct 1 ms 344 KB OK (3 queries)
38 Correct 0 ms 344 KB OK (4 queries)
39 Correct 1 ms 344 KB OK (5 queries)
40 Correct 1 ms 344 KB OK (6 queries)
41 Correct 1 ms 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (3 queries)
43 Correct 0 ms 344 KB OK (3 queries)
44 Correct 1 ms 340 KB OK (4 queries)
45 Correct 0 ms 344 KB OK (5 queries)
46 Correct 0 ms 344 KB OK (6 queries)
47 Correct 0 ms 344 KB OK (7 queries)
48 Correct 1 ms 344 KB OK (7 queries)
49 Correct 1 ms 344 KB OK (3 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 1 ms 344 KB OK (6 queries)
54 Correct 0 ms 344 KB OK (7 queries)
55 Correct 0 ms 344 KB OK (8 queries)
56 Correct 0 ms 344 KB OK (8 queries)
57 Correct 1 ms 344 KB OK (3 queries)
58 Correct 0 ms 344 KB OK (3 queries)
59 Correct 1 ms 344 KB OK (3 queries)
60 Correct 1 ms 344 KB OK (3 queries)
61 Correct 1 ms 344 KB OK (63 queries)
62 Correct 0 ms 344 KB OK (3 queries)
63 Correct 1 ms 344 KB OK (63 queries)
64 Correct 1 ms 344 KB OK (3 queries)
65 Correct 0 ms 344 KB OK (62 queries)
66 Correct 0 ms 344 KB OK (4 queries)
67 Correct 0 ms 344 KB OK (61 queries)
68 Correct 1 ms 344 KB OK (5 queries)
69 Correct 1 ms 344 KB OK (60 queries)
70 Correct 1 ms 344 KB OK (6 queries)
71 Incorrect 1 ms 344 KB Query limit exceeded
72 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (5 queries)
2 Correct 0 ms 344 KB OK (6 queries)
3 Correct 0 ms 344 KB OK (10 queries)
4 Correct 0 ms 344 KB OK (26 queries)
5 Correct 1 ms 344 KB OK (13 queries)
6 Correct 1 ms 344 KB OK (26 queries)
7 Correct 0 ms 344 KB OK (17 queries)
8 Correct 0 ms 344 KB OK (7 queries)
9 Correct 0 ms 344 KB OK (9 queries)
10 Correct 0 ms 344 KB OK (11 queries)
11 Correct 0 ms 448 KB OK (4 queries)
12 Correct 1 ms 344 KB OK (5 queries)
13 Correct 0 ms 344 KB OK (11 queries)
14 Correct 1 ms 344 KB OK (16 queries)
15 Correct 0 ms 344 KB OK (11 queries)
16 Correct 1 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (3 queries)
18 Correct 0 ms 344 KB OK (16 queries)
19 Correct 0 ms 344 KB OK (3 queries)
20 Correct 1 ms 344 KB OK (31 queries)
21 Correct 1 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 0 ms 344 KB OK (3 queries)
26 Correct 0 ms 344 KB OK (3 queries)
27 Correct 1 ms 344 KB OK (3 queries)
28 Correct 0 ms 344 KB OK (3 queries)
29 Correct 0 ms 344 KB OK (4 queries)
30 Correct 0 ms 344 KB OK (4 queries)
31 Correct 0 ms 344 KB OK (3 queries)
32 Correct 1 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 0 ms 344 KB OK (5 queries)
36 Correct 0 ms 344 KB OK (3 queries)
37 Correct 1 ms 344 KB OK (3 queries)
38 Correct 0 ms 344 KB OK (4 queries)
39 Correct 1 ms 344 KB OK (5 queries)
40 Correct 1 ms 344 KB OK (6 queries)
41 Correct 1 ms 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (3 queries)
43 Correct 0 ms 344 KB OK (3 queries)
44 Correct 1 ms 340 KB OK (4 queries)
45 Correct 0 ms 344 KB OK (5 queries)
46 Correct 0 ms 344 KB OK (6 queries)
47 Correct 0 ms 344 KB OK (7 queries)
48 Correct 1 ms 344 KB OK (7 queries)
49 Correct 1 ms 344 KB OK (3 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 1 ms 344 KB OK (6 queries)
54 Correct 0 ms 344 KB OK (7 queries)
55 Correct 0 ms 344 KB OK (8 queries)
56 Correct 0 ms 344 KB OK (8 queries)
57 Correct 1 ms 344 KB OK (3 queries)
58 Correct 0 ms 344 KB OK (3 queries)
59 Correct 1 ms 344 KB OK (3 queries)
60 Correct 1 ms 344 KB OK (3 queries)
61 Correct 1 ms 344 KB OK (63 queries)
62 Correct 0 ms 344 KB OK (3 queries)
63 Correct 1 ms 344 KB OK (63 queries)
64 Correct 1 ms 344 KB OK (3 queries)
65 Correct 0 ms 344 KB OK (62 queries)
66 Correct 0 ms 344 KB OK (4 queries)
67 Correct 0 ms 344 KB OK (61 queries)
68 Correct 1 ms 344 KB OK (5 queries)
69 Correct 1 ms 344 KB OK (60 queries)
70 Correct 1 ms 344 KB OK (6 queries)
71 Incorrect 1 ms 344 KB Query limit exceeded
72 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (5 queries)
2 Correct 0 ms 344 KB OK (6 queries)
3 Correct 0 ms 344 KB OK (10 queries)
4 Correct 0 ms 344 KB OK (26 queries)
5 Correct 1 ms 344 KB OK (13 queries)
6 Correct 1 ms 344 KB OK (26 queries)
7 Correct 0 ms 344 KB OK (17 queries)
8 Correct 0 ms 344 KB OK (7 queries)
9 Correct 0 ms 344 KB OK (9 queries)
10 Correct 0 ms 344 KB OK (11 queries)
11 Correct 0 ms 448 KB OK (4 queries)
12 Correct 1 ms 344 KB OK (5 queries)
13 Correct 0 ms 344 KB OK (11 queries)
14 Correct 1 ms 344 KB OK (16 queries)
15 Correct 0 ms 344 KB OK (11 queries)
16 Correct 1 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (3 queries)
18 Correct 0 ms 344 KB OK (16 queries)
19 Correct 0 ms 344 KB OK (3 queries)
20 Correct 1 ms 344 KB OK (31 queries)
21 Correct 1 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 0 ms 344 KB OK (3 queries)
26 Correct 0 ms 344 KB OK (3 queries)
27 Correct 1 ms 344 KB OK (3 queries)
28 Correct 0 ms 344 KB OK (3 queries)
29 Correct 0 ms 344 KB OK (4 queries)
30 Correct 0 ms 344 KB OK (4 queries)
31 Correct 0 ms 344 KB OK (3 queries)
32 Correct 1 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 0 ms 344 KB OK (5 queries)
36 Correct 0 ms 344 KB OK (3 queries)
37 Correct 1 ms 344 KB OK (3 queries)
38 Correct 0 ms 344 KB OK (4 queries)
39 Correct 1 ms 344 KB OK (5 queries)
40 Correct 1 ms 344 KB OK (6 queries)
41 Correct 1 ms 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (3 queries)
43 Correct 0 ms 344 KB OK (3 queries)
44 Correct 1 ms 340 KB OK (4 queries)
45 Correct 0 ms 344 KB OK (5 queries)
46 Correct 0 ms 344 KB OK (6 queries)
47 Correct 0 ms 344 KB OK (7 queries)
48 Correct 1 ms 344 KB OK (7 queries)
49 Correct 1 ms 344 KB OK (3 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 1 ms 344 KB OK (6 queries)
54 Correct 0 ms 344 KB OK (7 queries)
55 Correct 0 ms 344 KB OK (8 queries)
56 Correct 0 ms 344 KB OK (8 queries)
57 Correct 1 ms 344 KB OK (3 queries)
58 Correct 0 ms 344 KB OK (3 queries)
59 Correct 1 ms 344 KB OK (3 queries)
60 Correct 1 ms 344 KB OK (3 queries)
61 Correct 1 ms 344 KB OK (63 queries)
62 Correct 0 ms 344 KB OK (3 queries)
63 Correct 1 ms 344 KB OK (63 queries)
64 Correct 1 ms 344 KB OK (3 queries)
65 Correct 0 ms 344 KB OK (62 queries)
66 Correct 0 ms 344 KB OK (4 queries)
67 Correct 0 ms 344 KB OK (61 queries)
68 Correct 1 ms 344 KB OK (5 queries)
69 Correct 1 ms 344 KB OK (60 queries)
70 Correct 1 ms 344 KB OK (6 queries)
71 Incorrect 1 ms 344 KB Query limit exceeded
72 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (5 queries)
2 Correct 0 ms 344 KB OK (6 queries)
3 Correct 0 ms 344 KB OK (10 queries)
4 Correct 0 ms 344 KB OK (26 queries)
5 Correct 1 ms 344 KB OK (13 queries)
6 Correct 1 ms 344 KB OK (26 queries)
7 Correct 0 ms 344 KB OK (17 queries)
8 Correct 0 ms 344 KB OK (7 queries)
9 Correct 0 ms 344 KB OK (9 queries)
10 Correct 0 ms 344 KB OK (11 queries)
11 Correct 0 ms 448 KB OK (4 queries)
12 Correct 1 ms 344 KB OK (5 queries)
13 Correct 0 ms 344 KB OK (11 queries)
14 Correct 1 ms 344 KB OK (16 queries)
15 Correct 0 ms 344 KB OK (11 queries)
16 Correct 1 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (3 queries)
18 Correct 0 ms 344 KB OK (16 queries)
19 Correct 0 ms 344 KB OK (3 queries)
20 Correct 1 ms 344 KB OK (31 queries)
21 Correct 1 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 0 ms 344 KB OK (3 queries)
26 Correct 0 ms 344 KB OK (3 queries)
27 Correct 1 ms 344 KB OK (3 queries)
28 Correct 0 ms 344 KB OK (3 queries)
29 Correct 0 ms 344 KB OK (4 queries)
30 Correct 0 ms 344 KB OK (4 queries)
31 Correct 0 ms 344 KB OK (3 queries)
32 Correct 1 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 0 ms 344 KB OK (5 queries)
36 Correct 0 ms 344 KB OK (3 queries)
37 Correct 1 ms 344 KB OK (3 queries)
38 Correct 0 ms 344 KB OK (4 queries)
39 Correct 1 ms 344 KB OK (5 queries)
40 Correct 1 ms 344 KB OK (6 queries)
41 Correct 1 ms 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (3 queries)
43 Correct 0 ms 344 KB OK (3 queries)
44 Correct 1 ms 340 KB OK (4 queries)
45 Correct 0 ms 344 KB OK (5 queries)
46 Correct 0 ms 344 KB OK (6 queries)
47 Correct 0 ms 344 KB OK (7 queries)
48 Correct 1 ms 344 KB OK (7 queries)
49 Correct 1 ms 344 KB OK (3 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 1 ms 344 KB OK (6 queries)
54 Correct 0 ms 344 KB OK (7 queries)
55 Correct 0 ms 344 KB OK (8 queries)
56 Correct 0 ms 344 KB OK (8 queries)
57 Correct 1 ms 344 KB OK (3 queries)
58 Correct 0 ms 344 KB OK (3 queries)
59 Correct 1 ms 344 KB OK (3 queries)
60 Correct 1 ms 344 KB OK (3 queries)
61 Correct 1 ms 344 KB OK (63 queries)
62 Correct 0 ms 344 KB OK (3 queries)
63 Correct 1 ms 344 KB OK (63 queries)
64 Correct 1 ms 344 KB OK (3 queries)
65 Correct 0 ms 344 KB OK (62 queries)
66 Correct 0 ms 344 KB OK (4 queries)
67 Correct 0 ms 344 KB OK (61 queries)
68 Correct 1 ms 344 KB OK (5 queries)
69 Correct 1 ms 344 KB OK (60 queries)
70 Correct 1 ms 344 KB OK (6 queries)
71 Incorrect 1 ms 344 KB Query limit exceeded
72 Halted 0 ms 0 KB -