#include <bits/stdc++.h>
#include "prize.h"
using namespace std;
int res;
bool check(vector<int> &tmp) {
return !tmp[0] && !tmp[1];
}
void cal(int l, int r, int fl, int fr) {
if (l == r || l + 1 == r || res != -1) return;
int mid = (l + r) >> 1;
vector<int> tmp = ask(mid);
if (check(tmp)) { res = mid; return; }
if (tmp[0] != fr) cal(mid, r, tmp[0], fr);
if (tmp[0] != fl) cal(l, mid, fl, tmp[0]);
}
int find_best(int n) {
res = -1;
vector<int> l = ask(0);
vector<int> r = ask(n - 1);
if (check(l)) return 0;
if (check(r)) return n - 1;
cal(0, n - 1, l[0], r[0]);
return res;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
3 ms |
388 KB |
Output is correct |
| 5 |
Correct |
2 ms |
432 KB |
Output is correct |
| 6 |
Correct |
2 ms |
432 KB |
Output is correct |
| 7 |
Correct |
2 ms |
432 KB |
Output is correct |
| 8 |
Correct |
4 ms |
452 KB |
Output is correct |
| 9 |
Correct |
2 ms |
452 KB |
Output is correct |
| 10 |
Correct |
2 ms |
452 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
500 KB |
Output is correct |
| 2 |
Correct |
2 ms |
524 KB |
Output is correct |
| 3 |
Correct |
2 ms |
556 KB |
Output is correct |
| 4 |
Correct |
3 ms |
556 KB |
Output is correct |
| 5 |
Correct |
2 ms |
556 KB |
Output is correct |
| 6 |
Correct |
2 ms |
556 KB |
Output is correct |
| 7 |
Correct |
2 ms |
556 KB |
Output is correct |
| 8 |
Correct |
2 ms |
556 KB |
Output is correct |
| 9 |
Correct |
2 ms |
556 KB |
Output is correct |
| 10 |
Correct |
2 ms |
556 KB |
Output is correct |
| 11 |
Correct |
5 ms |
556 KB |
Output is correct |
| 12 |
Correct |
7 ms |
556 KB |
Output is correct |
| 13 |
Correct |
2 ms |
556 KB |
Output is correct |
| 14 |
Correct |
10 ms |
556 KB |
Output is correct |
| 15 |
Correct |
41 ms |
556 KB |
Output is correct |
| 16 |
Correct |
9 ms |
556 KB |
Output is correct |
| 17 |
Partially correct |
37 ms |
556 KB |
Partially correct - number of queries: 5072 |
| 18 |
Correct |
3 ms |
556 KB |
Output is correct |
| 19 |
Correct |
46 ms |
556 KB |
Output is correct |
| 20 |
Correct |
14 ms |
556 KB |
Output is correct |
| 21 |
Correct |
24 ms |
556 KB |
Output is correct |
| 22 |
Correct |
27 ms |
556 KB |
Output is correct |
| 23 |
Correct |
3 ms |
556 KB |
Output is correct |
| 24 |
Correct |
5 ms |
556 KB |
Output is correct |
| 25 |
Correct |
18 ms |
556 KB |
Output is correct |
| 26 |
Correct |
20 ms |
556 KB |
Output is correct |
| 27 |
Correct |
4 ms |
556 KB |
Output is correct |
| 28 |
Correct |
4 ms |
556 KB |
Output is correct |
| 29 |
Correct |
9 ms |
556 KB |
Output is correct |
| 30 |
Correct |
2 ms |
572 KB |
Output is correct |
| 31 |
Partially correct |
49 ms |
572 KB |
Partially correct - number of queries: 5028 |
| 32 |
Correct |
2 ms |
572 KB |
Output is correct |
| 33 |
Correct |
2 ms |
572 KB |
Output is correct |
| 34 |
Correct |
18 ms |
572 KB |
Output is correct |
| 35 |
Correct |
2 ms |
572 KB |
Output is correct |
| 36 |
Correct |
30 ms |
572 KB |
Output is correct |
| 37 |
Correct |
4 ms |
572 KB |
Output is correct |
| 38 |
Correct |
3 ms |
572 KB |
Output is correct |
| 39 |
Correct |
27 ms |
572 KB |
Output is correct |
| 40 |
Correct |
2 ms |
572 KB |
Output is correct |
| 41 |
Correct |
21 ms |
572 KB |
Output is correct |
| 42 |
Correct |
23 ms |
572 KB |
Output is correct |
| 43 |
Correct |
25 ms |
572 KB |
Output is correct |
| 44 |
Correct |
27 ms |
572 KB |
Output is correct |
| 45 |
Correct |
28 ms |
572 KB |
Output is correct |
| 46 |
Partially correct |
44 ms |
572 KB |
Partially correct - number of queries: 5068 |
| 47 |
Correct |
31 ms |
572 KB |
Output is correct |
| 48 |
Correct |
16 ms |
572 KB |
Output is correct |
| 49 |
Correct |
38 ms |
572 KB |
Output is correct |
| 50 |
Correct |
3 ms |
572 KB |
Output is correct |
| 51 |
Correct |
31 ms |
572 KB |
Output is correct |
| 52 |
Partially correct |
32 ms |
572 KB |
Partially correct - number of queries: 5031 |
| 53 |
Correct |
3 ms |
572 KB |
Output is correct |
| 54 |
Correct |
14 ms |
572 KB |
Output is correct |
| 55 |
Partially correct |
43 ms |
572 KB |
Partially correct - number of queries: 5070 |
| 56 |
Correct |
2 ms |
572 KB |
Output is correct |
| 57 |
Correct |
19 ms |
572 KB |
Output is correct |
| 58 |
Correct |
16 ms |
572 KB |
Output is correct |
| 59 |
Correct |
29 ms |
572 KB |
Output is correct |
| 60 |
Correct |
32 ms |
572 KB |
Output is correct |
| 61 |
Correct |
3 ms |
572 KB |
Output is correct |
| 62 |
Correct |
3 ms |
572 KB |
Output is correct |
| 63 |
Correct |
3 ms |
572 KB |
Output is correct |
| 64 |
Correct |
3 ms |
572 KB |
Output is correct |
| 65 |
Correct |
2 ms |
572 KB |
Output is correct |
| 66 |
Correct |
2 ms |
572 KB |
Output is correct |
| 67 |
Correct |
2 ms |
572 KB |
Output is correct |
| 68 |
Correct |
4 ms |
572 KB |
Output is correct |
| 69 |
Correct |
3 ms |
572 KB |
Output is correct |
| 70 |
Correct |
2 ms |
572 KB |
Output is correct |
| 71 |
Correct |
39 ms |
572 KB |
Output is correct |
| 72 |
Correct |
6 ms |
572 KB |
Output is correct |
| 73 |
Correct |
46 ms |
572 KB |
Output is correct |
| 74 |
Correct |
39 ms |
572 KB |
Output is correct |
| 75 |
Correct |
3 ms |
572 KB |
Output is correct |
| 76 |
Correct |
23 ms |
572 KB |
Output is correct |
| 77 |
Partially correct |
44 ms |
572 KB |
Partially correct - number of queries: 5230 |
| 78 |
Correct |
5 ms |
572 KB |
Output is correct |
| 79 |
Correct |
20 ms |
572 KB |
Output is correct |
| 80 |
Partially correct |
45 ms |
572 KB |
Partially correct - number of queries: 5231 |
| 81 |
Partially correct |
38 ms |
572 KB |
Partially correct - number of queries: 5176 |
| 82 |
Partially correct |
21 ms |
572 KB |
Partially correct - number of queries: 5238 |
| 83 |
Correct |
4 ms |
572 KB |
Output is correct |
| 84 |
Correct |
49 ms |
572 KB |
Output is correct |
| 85 |
Partially correct |
38 ms |
572 KB |
Partially correct - number of queries: 5190 |
| 86 |
Correct |
9 ms |
572 KB |
Output is correct |
| 87 |
Correct |
5 ms |
572 KB |
Output is correct |
| 88 |
Correct |
7 ms |
572 KB |
Output is correct |
| 89 |
Correct |
10 ms |
572 KB |
Output is correct |
| 90 |
Correct |
4 ms |
572 KB |
Output is correct |
| 91 |
Correct |
7 ms |
572 KB |
Output is correct |
| 92 |
Correct |
2 ms |
572 KB |
Output is correct |
| 93 |
Correct |
4 ms |
572 KB |
Output is correct |
| 94 |
Correct |
4 ms |
572 KB |
Output is correct |
| 95 |
Correct |
5 ms |
572 KB |
Output is correct |
| 96 |
Correct |
4 ms |
572 KB |
Output is correct |
| 97 |
Correct |
2 ms |
572 KB |
Output is correct |
