#include <bits/stdc++.h>
using namespace std;
#include "prize.h"
int ans, val;
void search(int l, int r, int lx, int rx){
if(l > r || ans >= 0 || lx + rx == val) return;
int m1 = (l + r) / 2, m2 = m1 + 1, x, y, cnt = 0;
vector<int> q = {0, 0};
while(1){
if((y = m1-l > r-m2)) x = m1--;
else x = m2++;
q = ask(x);
if(q[0] + q[1] == 0) return void(ans = x);
if(q[0] + q[1] < val) ++cnt;
else break;
if(cnt == val - lx - rx) return;
}
q[!y] += cnt;
search(l, m1, lx, q[1]);
search(m2, r, q[0], rx);
}
int find_best(int n){
ans = val = -1;
for(int i=1; i<n; i+=i){
vector<int> q = ask(i-1);
val = max(val, q[0] + q[1]);
q = ask(n-i);
val = max(val, q[0] + q[1]);
}
search(0, n-1, 0, 0);
return ans;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
236 KB |
Output is correct |
| 2 |
Correct |
1 ms |
284 KB |
Output is correct |
| 3 |
Correct |
1 ms |
200 KB |
Output is correct |
| 4 |
Correct |
1 ms |
260 KB |
Output is correct |
| 5 |
Correct |
1 ms |
284 KB |
Output is correct |
| 6 |
Correct |
2 ms |
200 KB |
Output is correct |
| 7 |
Correct |
1 ms |
284 KB |
Output is correct |
| 8 |
Correct |
1 ms |
200 KB |
Output is correct |
| 9 |
Correct |
1 ms |
200 KB |
Output is correct |
| 10 |
Correct |
1 ms |
200 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
280 KB |
Output is correct |
| 2 |
Correct |
1 ms |
264 KB |
Output is correct |
| 3 |
Correct |
1 ms |
200 KB |
Output is correct |
| 4 |
Correct |
1 ms |
200 KB |
Output is correct |
| 5 |
Correct |
1 ms |
284 KB |
Output is correct |
| 6 |
Correct |
1 ms |
280 KB |
Output is correct |
| 7 |
Correct |
1 ms |
284 KB |
Output is correct |
| 8 |
Correct |
1 ms |
280 KB |
Output is correct |
| 9 |
Correct |
1 ms |
320 KB |
Output is correct |
| 10 |
Correct |
1 ms |
200 KB |
Output is correct |
| 11 |
Correct |
3 ms |
200 KB |
Output is correct |
| 12 |
Correct |
1 ms |
200 KB |
Output is correct |
| 13 |
Correct |
6 ms |
200 KB |
Output is correct |
| 14 |
Correct |
3 ms |
200 KB |
Output is correct |
| 15 |
Correct |
6 ms |
284 KB |
Output is correct |
| 16 |
Correct |
42 ms |
200 KB |
Output is correct |
| 17 |
Correct |
1 ms |
276 KB |
Output is correct |
| 18 |
Correct |
58 ms |
200 KB |
Output is correct |
| 19 |
Correct |
1 ms |
284 KB |
Output is correct |
| 20 |
Correct |
13 ms |
200 KB |
Output is correct |
| 21 |
Correct |
19 ms |
260 KB |
Output is correct |
| 22 |
Correct |
4 ms |
200 KB |
Output is correct |
| 23 |
Correct |
1 ms |
200 KB |
Output is correct |
| 24 |
Correct |
2 ms |
288 KB |
Output is correct |
| 25 |
Correct |
24 ms |
200 KB |
Output is correct |
| 26 |
Correct |
25 ms |
200 KB |
Output is correct |
| 27 |
Correct |
1 ms |
276 KB |
Output is correct |
| 28 |
Correct |
41 ms |
200 KB |
Output is correct |
| 29 |
Correct |
13 ms |
320 KB |
Output is correct |
| 30 |
Correct |
39 ms |
200 KB |
Output is correct |
| 31 |
Correct |
1 ms |
280 KB |
Output is correct |
| 32 |
Correct |
6 ms |
200 KB |
Output is correct |
| 33 |
Correct |
1 ms |
200 KB |
Output is correct |
| 34 |
Correct |
16 ms |
260 KB |
Output is correct |
| 35 |
Correct |
1 ms |
280 KB |
Output is correct |
| 36 |
Correct |
10 ms |
280 KB |
Output is correct |
| 37 |
Correct |
2 ms |
200 KB |
Output is correct |
| 38 |
Correct |
1 ms |
200 KB |
Output is correct |
| 39 |
Correct |
21 ms |
200 KB |
Output is correct |
| 40 |
Correct |
31 ms |
200 KB |
Output is correct |
| 41 |
Correct |
11 ms |
264 KB |
Output is correct |
| 42 |
Correct |
31 ms |
200 KB |
Output is correct |
| 43 |
Correct |
19 ms |
200 KB |
Output is correct |
| 44 |
Correct |
20 ms |
284 KB |
Output is correct |
| 45 |
Correct |
6 ms |
276 KB |
Output is correct |
| 46 |
Correct |
1 ms |
276 KB |
Output is correct |
| 47 |
Correct |
8 ms |
280 KB |
Output is correct |
| 48 |
Correct |
15 ms |
328 KB |
Output is correct |
| 49 |
Correct |
4 ms |
284 KB |
Output is correct |
| 50 |
Correct |
20 ms |
284 KB |
Output is correct |
| 51 |
Correct |
9 ms |
320 KB |
Output is correct |
| 52 |
Correct |
2 ms |
200 KB |
Output is correct |
| 53 |
Correct |
1 ms |
276 KB |
Output is correct |
| 54 |
Correct |
20 ms |
200 KB |
Output is correct |
| 55 |
Correct |
1 ms |
200 KB |
Output is correct |
| 56 |
Correct |
21 ms |
276 KB |
Output is correct |
| 57 |
Correct |
37 ms |
200 KB |
Output is correct |
| 58 |
Correct |
16 ms |
320 KB |
Output is correct |
| 59 |
Correct |
28 ms |
200 KB |
Output is correct |
| 60 |
Correct |
24 ms |
200 KB |
Output is correct |
| 61 |
Correct |
2 ms |
200 KB |
Output is correct |
| 62 |
Correct |
1 ms |
200 KB |
Output is correct |
| 63 |
Correct |
3 ms |
284 KB |
Output is correct |
| 64 |
Correct |
2 ms |
284 KB |
Output is correct |
| 65 |
Correct |
2 ms |
288 KB |
Output is correct |
| 66 |
Correct |
6 ms |
200 KB |
Output is correct |
| 67 |
Correct |
2 ms |
272 KB |
Output is correct |
| 68 |
Correct |
2 ms |
200 KB |
Output is correct |
| 69 |
Correct |
4 ms |
264 KB |
Output is correct |
| 70 |
Correct |
4 ms |
200 KB |
Output is correct |
| 71 |
Correct |
52 ms |
200 KB |
Output is correct |
| 72 |
Correct |
5 ms |
200 KB |
Output is correct |
| 73 |
Correct |
40 ms |
204 KB |
Output is correct |
| 74 |
Correct |
46 ms |
200 KB |
Output is correct |
| 75 |
Correct |
3 ms |
200 KB |
Output is correct |
| 76 |
Correct |
30 ms |
200 KB |
Output is correct |
| 77 |
Correct |
35 ms |
200 KB |
Output is correct |
| 78 |
Correct |
6 ms |
200 KB |
Output is correct |
| 79 |
Correct |
20 ms |
200 KB |
Output is correct |
| 80 |
Correct |
48 ms |
200 KB |
Output is correct |
| 81 |
Correct |
49 ms |
200 KB |
Output is correct |
| 82 |
Correct |
20 ms |
280 KB |
Output is correct |
| 83 |
Correct |
1 ms |
200 KB |
Output is correct |
| 84 |
Correct |
40 ms |
200 KB |
Output is correct |
| 85 |
Correct |
55 ms |
200 KB |
Output is correct |
| 86 |
Correct |
6 ms |
200 KB |
Output is correct |
| 87 |
Correct |
2 ms |
200 KB |
Output is correct |
| 88 |
Correct |
9 ms |
200 KB |
Output is correct |
| 89 |
Correct |
4 ms |
200 KB |
Output is correct |
| 90 |
Correct |
1 ms |
200 KB |
Output is correct |
| 91 |
Correct |
10 ms |
200 KB |
Output is correct |
| 92 |
Correct |
3 ms |
200 KB |
Output is correct |
| 93 |
Correct |
4 ms |
200 KB |
Output is correct |
| 94 |
Correct |
5 ms |
200 KB |
Output is correct |
| 95 |
Correct |
5 ms |
200 KB |
Output is correct |
| 96 |
Correct |
4 ms |
200 KB |
Output is correct |
| 97 |
Correct |
1 ms |
200 KB |
Output is correct |
