#include "prize.h"
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair < int, int > pii;
typedef pair < ll, ll > pll;
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define SZ(x) (int)x.size()
#define Mp make_pair
#define endl "\n"
#define fast_io ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
const int N = 2e5 + 10;
const int LOG = 20;
const ll mod = 1e9 + 7;
const ll inf = 8e18;
int n;
vector < int > vec[N];
set < int > st[N];
inline vector < int > Ask(int pos)
{
if(!vec[pos].empty())
{
return vec[pos];
}
return vec[pos] = ask(pos);
}
int solve(int l, int r)
{
if(l > r) return -1;
int mid = (l + r) >> 1;
int s = Ask(mid)[0] + Ask(mid)[1];
if(!s) return mid;
auto it = st[s].lower_bound(mid);
int L = 0, R = 0;
if(it == st[s].begin() || Ask(mid)[0] != Ask(*prev(it))[0])
{
L = 1;
}
if(it == st[s].end() || Ask(mid)[1] != Ask(*it)[1])
{
R = 1;
}
if(Ask(mid)[0] == 0) L = 0;
if(Ask(mid)[1] == 0) R = 0;
st[s].insert(mid);
if(L)
{
int ret = solve(l, mid - 1);
if(ret != -1) return ret;
}
if(R)
{
int ret = solve(mid + 1, r);
if(ret != -1) return ret;
}
return -1;
}
int find_best(int _n)
{
n = _n;
return solve(0, n - 1);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 3 |
Correct |
10 ms |
14380 KB |
Output is correct |
| 4 |
Correct |
11 ms |
14380 KB |
Output is correct |
| 5 |
Correct |
9 ms |
14332 KB |
Output is correct |
| 6 |
Correct |
8 ms |
14380 KB |
Output is correct |
| 7 |
Correct |
10 ms |
14380 KB |
Output is correct |
| 8 |
Correct |
9 ms |
14384 KB |
Output is correct |
| 9 |
Correct |
10 ms |
14384 KB |
Output is correct |
| 10 |
Correct |
8 ms |
14288 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14384 KB |
Output is correct |
| 2 |
Correct |
10 ms |
14388 KB |
Output is correct |
| 3 |
Correct |
10 ms |
14288 KB |
Output is correct |
| 4 |
Correct |
9 ms |
14416 KB |
Output is correct |
| 5 |
Correct |
9 ms |
14380 KB |
Output is correct |
| 6 |
Correct |
10 ms |
14384 KB |
Output is correct |
| 7 |
Correct |
9 ms |
14364 KB |
Output is correct |
| 8 |
Correct |
8 ms |
14380 KB |
Output is correct |
| 9 |
Correct |
9 ms |
14408 KB |
Output is correct |
| 10 |
Correct |
10 ms |
14388 KB |
Output is correct |
| 11 |
Correct |
12 ms |
14380 KB |
Output is correct |
| 12 |
Correct |
10 ms |
14288 KB |
Output is correct |
| 13 |
Correct |
13 ms |
14408 KB |
Output is correct |
| 14 |
Correct |
10 ms |
14288 KB |
Output is correct |
| 15 |
Correct |
13 ms |
14416 KB |
Output is correct |
| 16 |
Correct |
28 ms |
14640 KB |
Output is correct |
| 17 |
Correct |
11 ms |
14384 KB |
Output is correct |
| 18 |
Correct |
60 ms |
14628 KB |
Output is correct |
| 19 |
Correct |
9 ms |
14380 KB |
Output is correct |
| 20 |
Correct |
13 ms |
14476 KB |
Output is correct |
| 21 |
Correct |
31 ms |
14500 KB |
Output is correct |
| 22 |
Correct |
15 ms |
14288 KB |
Output is correct |
| 23 |
Correct |
9 ms |
14380 KB |
Output is correct |
| 24 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 25 |
Correct |
33 ms |
14504 KB |
Output is correct |
| 26 |
Correct |
19 ms |
14548 KB |
Output is correct |
| 27 |
Correct |
11 ms |
14392 KB |
Output is correct |
| 28 |
Correct |
46 ms |
14660 KB |
Output is correct |
| 29 |
Correct |
34 ms |
14500 KB |
Output is correct |
| 30 |
Correct |
48 ms |
14624 KB |
Output is correct |
| 31 |
Correct |
9 ms |
14376 KB |
Output is correct |
| 32 |
Correct |
11 ms |
14408 KB |
Output is correct |
| 33 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 34 |
Correct |
21 ms |
14420 KB |
Output is correct |
| 35 |
Correct |
9 ms |
14384 KB |
Output is correct |
| 36 |
Correct |
18 ms |
14376 KB |
Output is correct |
| 37 |
Correct |
9 ms |
14288 KB |
Output is correct |
| 38 |
Correct |
9 ms |
14376 KB |
Output is correct |
| 39 |
Correct |
19 ms |
14480 KB |
Output is correct |
| 40 |
Correct |
46 ms |
14664 KB |
Output is correct |
| 41 |
Correct |
23 ms |
14660 KB |
Output is correct |
| 42 |
Correct |
37 ms |
14500 KB |
Output is correct |
| 43 |
Correct |
29 ms |
14588 KB |
Output is correct |
| 44 |
Correct |
31 ms |
14500 KB |
Output is correct |
| 45 |
Correct |
26 ms |
14416 KB |
Output is correct |
| 46 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 47 |
Correct |
22 ms |
14504 KB |
Output is correct |
| 48 |
Correct |
42 ms |
14632 KB |
Output is correct |
| 49 |
Correct |
13 ms |
14288 KB |
Output is correct |
| 50 |
Correct |
58 ms |
14708 KB |
Output is correct |
| 51 |
Correct |
28 ms |
14448 KB |
Output is correct |
| 52 |
Correct |
11 ms |
14288 KB |
Output is correct |
| 53 |
Correct |
10 ms |
14288 KB |
Output is correct |
| 54 |
Correct |
18 ms |
14496 KB |
Output is correct |
| 55 |
Correct |
8 ms |
14376 KB |
Output is correct |
| 56 |
Correct |
56 ms |
14756 KB |
Output is correct |
| 57 |
Correct |
35 ms |
14548 KB |
Output is correct |
| 58 |
Correct |
42 ms |
14600 KB |
Output is correct |
| 59 |
Correct |
30 ms |
14584 KB |
Output is correct |
| 60 |
Correct |
42 ms |
14568 KB |
Output is correct |
| 61 |
Correct |
10 ms |
14396 KB |
Output is correct |
| 62 |
Correct |
11 ms |
14288 KB |
Output is correct |
| 63 |
Correct |
12 ms |
14288 KB |
Output is correct |
| 64 |
Correct |
9 ms |
14364 KB |
Output is correct |
| 65 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 66 |
Correct |
9 ms |
14288 KB |
Output is correct |
| 67 |
Correct |
8 ms |
14384 KB |
Output is correct |
| 68 |
Correct |
11 ms |
14264 KB |
Output is correct |
| 69 |
Correct |
9 ms |
14288 KB |
Output is correct |
| 70 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 71 |
Correct |
53 ms |
14704 KB |
Output is correct |
| 72 |
Correct |
13 ms |
14416 KB |
Output is correct |
| 73 |
Correct |
59 ms |
14724 KB |
Output is correct |
| 74 |
Correct |
57 ms |
14612 KB |
Output is correct |
| 75 |
Correct |
10 ms |
14288 KB |
Output is correct |
| 76 |
Correct |
55 ms |
14672 KB |
Output is correct |
| 77 |
Correct |
63 ms |
14672 KB |
Output is correct |
| 78 |
Correct |
13 ms |
14416 KB |
Output is correct |
| 79 |
Correct |
31 ms |
14600 KB |
Output is correct |
| 80 |
Correct |
57 ms |
14760 KB |
Output is correct |
| 81 |
Correct |
61 ms |
14716 KB |
Output is correct |
| 82 |
Correct |
63 ms |
14628 KB |
Output is correct |
| 83 |
Correct |
10 ms |
14288 KB |
Output is correct |
| 84 |
Correct |
43 ms |
14660 KB |
Output is correct |
| 85 |
Correct |
65 ms |
14696 KB |
Output is correct |
| 86 |
Correct |
14 ms |
14416 KB |
Output is correct |
| 87 |
Correct |
10 ms |
14288 KB |
Output is correct |
| 88 |
Correct |
15 ms |
14416 KB |
Output is correct |
| 89 |
Correct |
15 ms |
14416 KB |
Output is correct |
| 90 |
Correct |
9 ms |
14396 KB |
Output is correct |
| 91 |
Correct |
11 ms |
14416 KB |
Output is correct |
| 92 |
Correct |
10 ms |
14296 KB |
Output is correct |
| 93 |
Correct |
11 ms |
14288 KB |
Output is correct |
| 94 |
Correct |
12 ms |
14416 KB |
Output is correct |
| 95 |
Correct |
14 ms |
14288 KB |
Output is correct |
| 96 |
Correct |
11 ms |
14340 KB |
Output is correct |
| 97 |
Correct |
8 ms |
14288 KB |
Output is correct |
