#include <bits/stdc++.h>
#include "prize.h"
using namespace std;
mt19937 random_generator(chrono::steady_clock::now().time_since_epoch().count());
const int maxn = 2e5 + 3;
/*
int m;
int a[maxn];
vector <int> ask(int x)
{
vector <int> ans;
ans.resize(2);
ans[0] = ans[1] = 0;
for (int i = 0; i < x; i++)
if (a[i] < a[x])
ans[0]++;
for (int i = x + 1; i < m; i++)
if (a[i] < a[x])
ans[1]++;
return ans;
}
*/
const int c = 500;
int max_sum;
int find_best(int n)
{
for (int i = 0; i < min(n, 500); i++)
{
auto curr = ask(i);
if (curr[0] + curr[1] == 0)
return i;
max_sum = max(max_sum, curr[0] + curr[1]);
}
for (int i = 501; i < n; )
{
auto curr = ask(i);
if (curr[0] + curr[1] == 0)
return i;
if (curr[0] + curr[1] != max_sum)
{
i++;
continue;
}
if (i + c < n)
{
auto temp = ask(i+c);
if (temp[0] == curr[0] && temp[1] == curr[1])
{
i += c + 1;
continue;
}
}
int low = i+1, high = min(n-1, i+c);
while (low < high)
{
int mid = (low + high) / 2;
auto temp = ask(mid);
if (temp[0] != curr[0] || temp[1] != curr[1])
high = mid;
else
low = mid + 1;
}
i = low;
}
}
/*
int main()
{
cin >> m;
for (int i = 0; i < m; i++)
cin >> a[i];
cout << find_best(m) << endl;
}
*/
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:81:1: warning: control reaches end of non-void function [-Wreturn-type]
81 | }
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
376 KB |
Output is correct |
| 2 |
Correct |
13 ms |
256 KB |
Output is correct |
| 3 |
Correct |
9 ms |
256 KB |
Output is correct |
| 4 |
Correct |
12 ms |
256 KB |
Output is correct |
| 5 |
Correct |
9 ms |
376 KB |
Output is correct |
| 6 |
Correct |
0 ms |
256 KB |
Output is correct |
| 7 |
Correct |
5 ms |
372 KB |
Output is correct |
| 8 |
Correct |
9 ms |
256 KB |
Output is correct |
| 9 |
Correct |
10 ms |
256 KB |
Output is correct |
| 10 |
Correct |
11 ms |
256 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
256 KB |
Output is correct |
| 2 |
Correct |
9 ms |
256 KB |
Output is correct |
| 3 |
Correct |
8 ms |
256 KB |
Output is correct |
| 4 |
Correct |
11 ms |
256 KB |
Output is correct |
| 5 |
Correct |
9 ms |
256 KB |
Output is correct |
| 6 |
Correct |
1 ms |
256 KB |
Output is correct |
| 7 |
Correct |
8 ms |
256 KB |
Output is correct |
| 8 |
Correct |
9 ms |
256 KB |
Output is correct |
| 9 |
Correct |
8 ms |
384 KB |
Output is correct |
| 10 |
Correct |
12 ms |
256 KB |
Output is correct |
| 11 |
Correct |
12 ms |
256 KB |
Output is correct |
| 12 |
Correct |
6 ms |
256 KB |
Output is correct |
| 13 |
Correct |
16 ms |
256 KB |
Output is correct |
| 14 |
Correct |
7 ms |
256 KB |
Output is correct |
| 15 |
Correct |
11 ms |
256 KB |
Output is correct |
| 16 |
Partially correct |
49 ms |
256 KB |
Partially correct - number of queries: 5180 |
| 17 |
Correct |
5 ms |
256 KB |
Output is correct |
| 18 |
Partially correct |
51 ms |
384 KB |
Partially correct - number of queries: 6152 |
| 19 |
Correct |
5 ms |
256 KB |
Output is correct |
| 20 |
Correct |
16 ms |
256 KB |
Output is correct |
| 21 |
Correct |
25 ms |
256 KB |
Output is correct |
| 22 |
Correct |
9 ms |
256 KB |
Output is correct |
| 23 |
Correct |
6 ms |
256 KB |
Output is correct |
| 24 |
Correct |
5 ms |
256 KB |
Output is correct |
| 25 |
Correct |
34 ms |
256 KB |
Output is correct |
| 26 |
Correct |
37 ms |
256 KB |
Output is correct |
| 27 |
Correct |
8 ms |
256 KB |
Output is correct |
| 28 |
Partially correct |
60 ms |
256 KB |
Partially correct - number of queries: 6216 |
| 29 |
Correct |
36 ms |
256 KB |
Output is correct |
| 30 |
Partially correct |
47 ms |
256 KB |
Partially correct - number of queries: 6104 |
| 31 |
Correct |
4 ms |
256 KB |
Output is correct |
| 32 |
Correct |
13 ms |
256 KB |
Output is correct |
| 33 |
Correct |
0 ms |
256 KB |
Output is correct |
| 34 |
Correct |
18 ms |
256 KB |
Output is correct |
| 35 |
Correct |
11 ms |
256 KB |
Output is correct |
| 36 |
Correct |
16 ms |
256 KB |
Output is correct |
| 37 |
Correct |
7 ms |
256 KB |
Output is correct |
| 38 |
Correct |
6 ms |
256 KB |
Output is correct |
| 39 |
Correct |
21 ms |
256 KB |
Output is correct |
| 40 |
Partially correct |
48 ms |
256 KB |
Partially correct - number of queries: 5263 |
| 41 |
Correct |
19 ms |
376 KB |
Output is correct |
| 42 |
Correct |
23 ms |
256 KB |
Output is correct |
| 43 |
Correct |
26 ms |
256 KB |
Output is correct |
| 44 |
Correct |
25 ms |
256 KB |
Output is correct |
| 45 |
Correct |
13 ms |
384 KB |
Output is correct |
| 46 |
Correct |
5 ms |
256 KB |
Output is correct |
| 47 |
Correct |
20 ms |
376 KB |
Output is correct |
| 48 |
Correct |
43 ms |
256 KB |
Output is correct |
| 49 |
Correct |
12 ms |
256 KB |
Output is correct |
| 50 |
Partially correct |
51 ms |
256 KB |
Partially correct - number of queries: 6152 |
| 51 |
Correct |
27 ms |
384 KB |
Output is correct |
| 52 |
Correct |
6 ms |
256 KB |
Output is correct |
| 53 |
Correct |
11 ms |
368 KB |
Output is correct |
| 54 |
Correct |
31 ms |
256 KB |
Output is correct |
| 55 |
Correct |
3 ms |
384 KB |
Output is correct |
| 56 |
Partially correct |
53 ms |
256 KB |
Partially correct - number of queries: 6152 |
| 57 |
Correct |
46 ms |
256 KB |
Output is correct |
| 58 |
Correct |
39 ms |
256 KB |
Output is correct |
| 59 |
Correct |
27 ms |
256 KB |
Output is correct |
| 60 |
Correct |
29 ms |
256 KB |
Output is correct |
| 61 |
Correct |
17 ms |
288 KB |
Output is correct |
| 62 |
Correct |
4 ms |
376 KB |
Output is correct |
| 63 |
Correct |
7 ms |
380 KB |
Output is correct |
| 64 |
Correct |
10 ms |
376 KB |
Output is correct |
| 65 |
Correct |
10 ms |
256 KB |
Output is correct |
| 66 |
Correct |
9 ms |
384 KB |
Output is correct |
| 67 |
Correct |
12 ms |
256 KB |
Output is correct |
| 68 |
Correct |
6 ms |
256 KB |
Output is correct |
| 69 |
Correct |
16 ms |
256 KB |
Output is correct |
| 70 |
Correct |
12 ms |
256 KB |
Output is correct |
| 71 |
Partially correct |
57 ms |
256 KB |
Partially correct - number of queries: 6192 |
| 72 |
Correct |
15 ms |
256 KB |
Output is correct |
| 73 |
Partially correct |
52 ms |
256 KB |
Partially correct - number of queries: 6120 |
| 74 |
Partially correct |
45 ms |
256 KB |
Partially correct - number of queries: 6150 |
| 75 |
Correct |
15 ms |
256 KB |
Output is correct |
| 76 |
Partially correct |
50 ms |
256 KB |
Partially correct - number of queries: 5446 |
| 77 |
Partially correct |
48 ms |
256 KB |
Partially correct - number of queries: 6187 |
| 78 |
Correct |
16 ms |
256 KB |
Output is correct |
| 79 |
Correct |
20 ms |
256 KB |
Output is correct |
| 80 |
Partially correct |
56 ms |
256 KB |
Partially correct - number of queries: 6187 |
| 81 |
Partially correct |
61 ms |
256 KB |
Partially correct - number of queries: 6193 |
| 82 |
Partially correct |
59 ms |
256 KB |
Partially correct - number of queries: 6129 |
| 83 |
Correct |
12 ms |
256 KB |
Output is correct |
| 84 |
Partially correct |
53 ms |
256 KB |
Partially correct - number of queries: 5258 |
| 85 |
Partially correct |
50 ms |
384 KB |
Partially correct - number of queries: 6160 |
| 86 |
Correct |
10 ms |
256 KB |
Output is correct |
| 87 |
Correct |
9 ms |
256 KB |
Output is correct |
| 88 |
Correct |
16 ms |
256 KB |
Output is correct |
| 89 |
Correct |
12 ms |
256 KB |
Output is correct |
| 90 |
Correct |
12 ms |
256 KB |
Output is correct |
| 91 |
Correct |
11 ms |
256 KB |
Output is correct |
| 92 |
Correct |
15 ms |
256 KB |
Output is correct |
| 93 |
Correct |
11 ms |
256 KB |
Output is correct |
| 94 |
Correct |
15 ms |
256 KB |
Output is correct |
| 95 |
Correct |
11 ms |
384 KB |
Output is correct |
| 96 |
Correct |
14 ms |
256 KB |
Output is correct |
| 97 |
Correct |
14 ms |
256 KB |
Output is correct |
