oj.uz

Submission #930500

# Submission time Handle Problem Language Result Execution time Memory
930500 2024-02-20T03:57:07 Z UmairAhmadMirza Colors (BOI20_colors) C++14
9 / 100
 1 ms 384 KB 
// Online C++ compiler to run C++ program online
#include <bits/stdc++.h>
using namespace std;
int main() {
    int n;
    cin>>n;
    if(n==1){
        cout<<"= "<<1<<endl;
        return 0;
    }
    int a=1,b=n+1;
    cout<<"? "<<a<<endl;
    bool reaction=0;
    cin>>reaction;
    for(int i=0;i<n-1;i++){
        if(i%2){
            a++;
            cout<<"? "<<a<<endl;
            cin>>reaction;
            if(reaction==0)
                break;
        }
        else{
            b--;
            cout<<"? "<<b<<endl;
            cin>>reaction;
            if(reaction==0)
                break;
        }
    }
    cout<<"= "<<(b-a)+!(reaction)<<endl;
    return 0;
}

Subtask #1
9.0 / 9.0

# 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 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 0 ms 344 KB OK (26 queries)
7 Correct 0 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 0 ms 344 KB OK (11 queries)
11 Correct 0 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 0 ms 344 KB OK (16 queries)
15 Correct 0 ms 344 KB OK (11 queries)
16 Correct 0 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (2 queries)
18 Correct 0 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 1 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 344 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 0 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 0 ms 344 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 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (2 queries)
43 Correct 0 ms 384 KB OK (3 queries)
44 Correct 0 ms 344 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 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 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 0 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 0 ms 344 KB OK (63 queries)
64 Correct 0 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 1 ms 344 KB OK (61 queries)
68 Correct 0 ms 344 KB OK (5 queries)
69 Correct 1 ms 344 KB OK (60 queries)
70 Correct 0 ms 344 KB OK (6 queries)

Subtask #2
0 / 13.0

# 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 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 0 ms 344 KB OK (26 queries)
7 Correct 0 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 0 ms 344 KB OK (11 queries)
11 Correct 0 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 0 ms 344 KB OK (16 queries)
15 Correct 0 ms 344 KB OK (11 queries)
16 Correct 0 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (2 queries)
18 Correct 0 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 1 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 344 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 0 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 0 ms 344 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 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (2 queries)
43 Correct 0 ms 384 KB OK (3 queries)
44 Correct 0 ms 344 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 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 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 0 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 0 ms 344 KB OK (63 queries)
64 Correct 0 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 1 ms 344 KB OK (61 queries)
68 Correct 0 ms 344 KB OK (5 queries)
69 Correct 1 ms 344 KB OK (60 queries)
70 Correct 0 ms 344 KB OK (6 queries)
71 Incorrect 1 ms 340 KB Query limit exceeded
72 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 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 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 0 ms 344 KB OK (26 queries)
7 Correct 0 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 0 ms 344 KB OK (11 queries)
11 Correct 0 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 0 ms 344 KB OK (16 queries)
15 Correct 0 ms 344 KB OK (11 queries)
16 Correct 0 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (2 queries)
18 Correct 0 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 1 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 344 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 0 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 0 ms 344 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 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (2 queries)
43 Correct 0 ms 384 KB OK (3 queries)
44 Correct 0 ms 344 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 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 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 0 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 0 ms 344 KB OK (63 queries)
64 Correct 0 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 1 ms 344 KB OK (61 queries)
68 Correct 0 ms 344 KB OK (5 queries)
69 Correct 1 ms 344 KB OK (60 queries)
70 Correct 0 ms 344 KB OK (6 queries)
71 Incorrect 1 ms 340 KB Query limit exceeded
72 Halted 0 ms 0 KB -

Subtask #4
0 / 24.0

# 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 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 0 ms 344 KB OK (26 queries)
7 Correct 0 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 0 ms 344 KB OK (11 queries)
11 Correct 0 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 0 ms 344 KB OK (16 queries)
15 Correct 0 ms 344 KB OK (11 queries)
16 Correct 0 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (2 queries)
18 Correct 0 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 1 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 344 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 0 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 0 ms 344 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 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (2 queries)
43 Correct 0 ms 384 KB OK (3 queries)
44 Correct 0 ms 344 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 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 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 0 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 0 ms 344 KB OK (63 queries)
64 Correct 0 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 1 ms 344 KB OK (61 queries)
68 Correct 0 ms 344 KB OK (5 queries)
69 Correct 1 ms 344 KB OK (60 queries)
70 Correct 0 ms 344 KB OK (6 queries)
71 Incorrect 1 ms 340 KB Query limit exceeded
72 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# 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 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 0 ms 344 KB OK (26 queries)
7 Correct 0 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 0 ms 344 KB OK (11 queries)
11 Correct 0 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 0 ms 344 KB OK (16 queries)
15 Correct 0 ms 344 KB OK (11 queries)
16 Correct 0 ms 344 KB OK (34 queries)
17 Correct 0 ms 344 KB OK (2 queries)
18 Correct 0 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 1 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 344 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 0 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 0 ms 344 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 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (2 queries)
43 Correct 0 ms 384 KB OK (3 queries)
44 Correct 0 ms 344 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 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 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 0 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 0 ms 344 KB OK (63 queries)
64 Correct 0 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 1 ms 344 KB OK (61 queries)
68 Correct 0 ms 344 KB OK (5 queries)
69 Correct 1 ms 344 KB OK (60 queries)
70 Correct 0 ms 344 KB OK (6 queries)
71 Incorrect 1 ms 340 KB Query limit exceeded
72 Halted 0 ms 0 KB -