oj.uz

Submission #1030416

# Submission time Handle Problem Language Result Execution time Memory
1030416 2024-07-22T04:57:02 Z thinknoexit Colors (BOI20_colors) C++17
9 / 100
 1 ms 348 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
namespace Grader {
    ll c, cur = 0;
    void getinput() {
        cin >> c;
    }
    bool ask(ll x) {
        bool ch = abs(cur - x) >= c;
        cur = x;
        return ch;
    }
};
ll now = 0;
bool ask(ll x) {
    now = x;
    cout << "? " << x << endl;
    cin >> x; return x;
    // return Grader::ask(x);
}
void answer(ll x) {
    cout << "= " << x << endl;
    exit(0);
}
int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    ll n;
    cin >> n;
    // // debug
    // Grader::getinput();
    // //
    ll l = 1, r = n;
    ask(1);
    while (l < r) {
        if (now == l) {
            if (!ask(r)) answer(r - l + 1);
            else l++;
        }
        else {
            if (!ask(l)) answer(r - l + 1);
            else r--;
        }
    }
    answer(1);
    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 1 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 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 1 ms 344 KB OK (9 queries)
10 Correct 1 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 1 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 1 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 1 ms 344 KB OK (31 queries)
21 Correct 1 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 1 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 1 ms 344 KB OK (2 queries)
28 Correct 1 ms 344 KB OK (3 queries)
29 Correct 1 ms 344 KB OK (4 queries)
30 Correct 0 ms 344 KB OK (4 queries)
31 Correct 0 ms 348 KB OK (2 queries)
32 Correct 1 ms 340 KB OK (3 queries)
33 Correct 1 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 1 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 1 ms 344 KB OK (6 queries)
41 Correct 0 ms 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (2 queries)
43 Correct 1 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 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 1 ms 344 KB OK (2 queries)
50 Correct 0 ms 344 KB OK (3 queries)
51 Correct 0 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 1 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 1 ms 344 KB OK (2 queries)
59 Correct 1 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 1 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 1 ms 344 KB OK (62 queries)
66 Correct 1 ms 344 KB OK (4 queries)
67 Correct 1 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)

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (5 queries)
2 Correct 1 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 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 1 ms 344 KB OK (9 queries)
10 Correct 1 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 1 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 1 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 1 ms 344 KB OK (31 queries)
21 Correct 1 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 1 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 1 ms 344 KB OK (2 queries)
28 Correct 1 ms 344 KB OK (3 queries)
29 Correct 1 ms 344 KB OK (4 queries)
30 Correct 0 ms 344 KB OK (4 queries)
31 Correct 0 ms 348 KB OK (2 queries)
32 Correct 1 ms 340 KB OK (3 queries)
33 Correct 1 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 1 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 1 ms 344 KB OK (6 queries)
41 Correct 0 ms 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (2 queries)
43 Correct 1 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 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 1 ms 344 KB OK (2 queries)
50 Correct 0 ms 344 KB OK (3 queries)
51 Correct 0 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 1 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 1 ms 344 KB OK (2 queries)
59 Correct 1 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 1 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 1 ms 344 KB OK (62 queries)
66 Correct 1 ms 344 KB OK (4 queries)
67 Correct 1 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 -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (5 queries)
2 Correct 1 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 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 1 ms 344 KB OK (9 queries)
10 Correct 1 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 1 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 1 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 1 ms 344 KB OK (31 queries)
21 Correct 1 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 1 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 1 ms 344 KB OK (2 queries)
28 Correct 1 ms 344 KB OK (3 queries)
29 Correct 1 ms 344 KB OK (4 queries)
30 Correct 0 ms 344 KB OK (4 queries)
31 Correct 0 ms 348 KB OK (2 queries)
32 Correct 1 ms 340 KB OK (3 queries)
33 Correct 1 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 1 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 1 ms 344 KB OK (6 queries)
41 Correct 0 ms 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (2 queries)
43 Correct 1 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 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 1 ms 344 KB OK (2 queries)
50 Correct 0 ms 344 KB OK (3 queries)
51 Correct 0 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 1 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 1 ms 344 KB OK (2 queries)
59 Correct 1 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 1 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 1 ms 344 KB OK (62 queries)
66 Correct 1 ms 344 KB OK (4 queries)
67 Correct 1 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 -

Subtask #4
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (5 queries)
2 Correct 1 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 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 1 ms 344 KB OK (9 queries)
10 Correct 1 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 1 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 1 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 1 ms 344 KB OK (31 queries)
21 Correct 1 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 1 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 1 ms 344 KB OK (2 queries)
28 Correct 1 ms 344 KB OK (3 queries)
29 Correct 1 ms 344 KB OK (4 queries)
30 Correct 0 ms 344 KB OK (4 queries)
31 Correct 0 ms 348 KB OK (2 queries)
32 Correct 1 ms 340 KB OK (3 queries)
33 Correct 1 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 1 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 1 ms 344 KB OK (6 queries)
41 Correct 0 ms 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (2 queries)
43 Correct 1 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 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 1 ms 344 KB OK (2 queries)
50 Correct 0 ms 344 KB OK (3 queries)
51 Correct 0 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 1 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 1 ms 344 KB OK (2 queries)
59 Correct 1 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 1 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 1 ms 344 KB OK (62 queries)
66 Correct 1 ms 344 KB OK (4 queries)
67 Correct 1 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 -

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (5 queries)
2 Correct 1 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 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 1 ms 344 KB OK (9 queries)
10 Correct 1 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 1 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 1 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 1 ms 344 KB OK (31 queries)
21 Correct 1 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 1 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 1 ms 344 KB OK (2 queries)
28 Correct 1 ms 344 KB OK (3 queries)
29 Correct 1 ms 344 KB OK (4 queries)
30 Correct 0 ms 344 KB OK (4 queries)
31 Correct 0 ms 348 KB OK (2 queries)
32 Correct 1 ms 340 KB OK (3 queries)
33 Correct 1 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 1 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 1 ms 344 KB OK (6 queries)
41 Correct 0 ms 344 KB OK (6 queries)
42 Correct 0 ms 344 KB OK (2 queries)
43 Correct 1 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 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 1 ms 344 KB OK (2 queries)
50 Correct 0 ms 344 KB OK (3 queries)
51 Correct 0 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 1 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 1 ms 344 KB OK (2 queries)
59 Correct 1 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 1 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 1 ms 344 KB OK (62 queries)
66 Correct 1 ms 344 KB OK (4 queries)
67 Correct 1 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 -