#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
int ec = 0;
int n;
int sift(int l, int r, int e, int le, int re) {
if(e <= 0) return -1;
int m = (l+r)/2;
int mr = m;
vector<int> mra;
for(mr = m; mr < r; ++mr) {
mra = ask(mr);
if(mra[0] + mra[1] == ec) {
break;
} else if(mra[0] + mra[1] == 0) {
return mr;
}
}
if(mr == r) {
return sift(l, m, e - (r - m), le, re + (r - m));
}
return max(sift(l, m, mra[0] - le - (mr - m), le, (mr - m) + mra[1]),
sift(mr+1, r, mra[1] - re, mra[0], re));
}
int find_best(int N) {
n = N;
srand(9399390);
for(int i = 0; i < min(n, 460); i++) {
int r = rand() % n;
vector<int> res = ask(r);
if(res[0] + res[1] == 0) return r;
ec = max(res[0] + res[1], ec);
//if(1ll*ec*ec*ec > n) break;
}
return sift(0, n, ec, 0, 0);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
208 KB |
Output is correct |
| 2 |
Correct |
5 ms |
284 KB |
Output is correct |
| 3 |
Correct |
2 ms |
284 KB |
Output is correct |
| 4 |
Correct |
5 ms |
292 KB |
Output is correct |
| 5 |
Correct |
2 ms |
292 KB |
Output is correct |
| 6 |
Correct |
5 ms |
292 KB |
Output is correct |
| 7 |
Correct |
4 ms |
208 KB |
Output is correct |
| 8 |
Correct |
3 ms |
292 KB |
Output is correct |
| 9 |
Correct |
3 ms |
208 KB |
Output is correct |
| 10 |
Correct |
3 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
292 KB |
Output is correct |
| 2 |
Correct |
2 ms |
292 KB |
Output is correct |
| 3 |
Correct |
4 ms |
296 KB |
Output is correct |
| 4 |
Correct |
4 ms |
292 KB |
Output is correct |
| 5 |
Correct |
2 ms |
288 KB |
Output is correct |
| 6 |
Correct |
2 ms |
292 KB |
Output is correct |
| 7 |
Correct |
4 ms |
208 KB |
Output is correct |
| 8 |
Correct |
4 ms |
208 KB |
Output is correct |
| 9 |
Correct |
2 ms |
284 KB |
Output is correct |
| 10 |
Correct |
4 ms |
208 KB |
Output is correct |
| 11 |
Correct |
7 ms |
288 KB |
Output is correct |
| 12 |
Correct |
3 ms |
292 KB |
Output is correct |
| 13 |
Correct |
8 ms |
208 KB |
Output is correct |
| 14 |
Correct |
11 ms |
208 KB |
Output is correct |
| 15 |
Correct |
30 ms |
208 KB |
Output is correct |
| 16 |
Correct |
29 ms |
208 KB |
Output is correct |
| 17 |
Correct |
16 ms |
292 KB |
Output is correct |
| 18 |
Correct |
16 ms |
292 KB |
Output is correct |
| 19 |
Correct |
28 ms |
208 KB |
Output is correct |
| 20 |
Correct |
15 ms |
292 KB |
Output is correct |
| 21 |
Correct |
35 ms |
292 KB |
Output is correct |
| 22 |
Correct |
17 ms |
288 KB |
Output is correct |
| 23 |
Correct |
2 ms |
288 KB |
Output is correct |
| 24 |
Correct |
7 ms |
292 KB |
Output is correct |
| 25 |
Correct |
20 ms |
288 KB |
Output is correct |
| 26 |
Correct |
35 ms |
208 KB |
Output is correct |
| 27 |
Correct |
6 ms |
292 KB |
Output is correct |
| 28 |
Correct |
27 ms |
292 KB |
Output is correct |
| 29 |
Correct |
34 ms |
276 KB |
Output is correct |
| 30 |
Correct |
16 ms |
292 KB |
Output is correct |
| 31 |
Correct |
42 ms |
292 KB |
Output is correct |
| 32 |
Correct |
8 ms |
208 KB |
Output is correct |
| 33 |
Correct |
1 ms |
212 KB |
Output is correct |
| 34 |
Correct |
18 ms |
288 KB |
Output is correct |
| 35 |
Correct |
3 ms |
288 KB |
Output is correct |
| 36 |
Correct |
27 ms |
208 KB |
Output is correct |
| 37 |
Correct |
4 ms |
208 KB |
Output is correct |
| 38 |
Correct |
5 ms |
292 KB |
Output is correct |
| 39 |
Correct |
16 ms |
288 KB |
Output is correct |
| 40 |
Correct |
35 ms |
208 KB |
Output is correct |
| 41 |
Correct |
40 ms |
288 KB |
Output is correct |
| 42 |
Correct |
41 ms |
208 KB |
Output is correct |
| 43 |
Correct |
41 ms |
208 KB |
Output is correct |
| 44 |
Correct |
16 ms |
336 KB |
Output is correct |
| 45 |
Correct |
26 ms |
292 KB |
Output is correct |
| 46 |
Correct |
16 ms |
292 KB |
Output is correct |
| 47 |
Correct |
35 ms |
292 KB |
Output is correct |
| 48 |
Correct |
37 ms |
208 KB |
Output is correct |
| 49 |
Correct |
26 ms |
208 KB |
Output is correct |
| 50 |
Correct |
37 ms |
208 KB |
Output is correct |
| 51 |
Correct |
43 ms |
292 KB |
Output is correct |
| 52 |
Correct |
39 ms |
288 KB |
Output is correct |
| 53 |
Correct |
5 ms |
288 KB |
Output is correct |
| 54 |
Correct |
40 ms |
208 KB |
Output is correct |
| 55 |
Correct |
40 ms |
288 KB |
Output is correct |
| 56 |
Correct |
16 ms |
288 KB |
Output is correct |
| 57 |
Correct |
16 ms |
336 KB |
Output is correct |
| 58 |
Correct |
42 ms |
292 KB |
Output is correct |
| 59 |
Correct |
35 ms |
292 KB |
Output is correct |
| 60 |
Correct |
18 ms |
288 KB |
Output is correct |
| 61 |
Correct |
4 ms |
288 KB |
Output is correct |
| 62 |
Correct |
3 ms |
296 KB |
Output is correct |
| 63 |
Correct |
3 ms |
296 KB |
Output is correct |
| 64 |
Correct |
4 ms |
208 KB |
Output is correct |
| 65 |
Correct |
4 ms |
208 KB |
Output is correct |
| 66 |
Correct |
6 ms |
292 KB |
Output is correct |
| 67 |
Correct |
7 ms |
208 KB |
Output is correct |
| 68 |
Correct |
4 ms |
208 KB |
Output is correct |
| 69 |
Correct |
6 ms |
208 KB |
Output is correct |
| 70 |
Correct |
5 ms |
296 KB |
Output is correct |
| 71 |
Partially correct |
28 ms |
208 KB |
Partially correct - number of queries: 5204 |
| 72 |
Correct |
10 ms |
208 KB |
Output is correct |
| 73 |
Partially correct |
23 ms |
208 KB |
Partially correct - number of queries: 5142 |
| 74 |
Partially correct |
47 ms |
208 KB |
Partially correct - number of queries: 5168 |
| 75 |
Correct |
5 ms |
208 KB |
Output is correct |
| 76 |
Correct |
43 ms |
208 KB |
Output is correct |
| 77 |
Correct |
46 ms |
292 KB |
Output is correct |
| 78 |
Correct |
8 ms |
208 KB |
Output is correct |
| 79 |
Correct |
23 ms |
208 KB |
Output is correct |
| 80 |
Correct |
35 ms |
208 KB |
Output is correct |
| 81 |
Correct |
32 ms |
208 KB |
Output is correct |
| 82 |
Correct |
36 ms |
292 KB |
Output is correct |
| 83 |
Correct |
6 ms |
292 KB |
Output is correct |
| 84 |
Correct |
35 ms |
208 KB |
Output is correct |
| 85 |
Correct |
20 ms |
288 KB |
Output is correct |
| 86 |
Correct |
31 ms |
208 KB |
Output is correct |
| 87 |
Correct |
7 ms |
208 KB |
Output is correct |
| 88 |
Correct |
18 ms |
296 KB |
Output is correct |
| 89 |
Correct |
31 ms |
208 KB |
Output is correct |
| 90 |
Correct |
6 ms |
208 KB |
Output is correct |
| 91 |
Correct |
14 ms |
208 KB |
Output is correct |
| 92 |
Correct |
21 ms |
208 KB |
Output is correct |
| 93 |
Correct |
32 ms |
208 KB |
Output is correct |
| 94 |
Correct |
26 ms |
208 KB |
Output is correct |
| 95 |
Correct |
23 ms |
208 KB |
Output is correct |
| 96 |
Correct |
38 ms |
208 KB |
Output is correct |
| 97 |
Correct |
34 ms |
208 KB |
Output is correct |
