#include <bits/stdc++.h>
#include "prize.h"
using namespace std;
int nr[] = {1, 2, 5, 26, 677};
const int maxn = 2e5 + 2;
vector <vector <int> > mp (maxn, vector <int> {-1, -1});
vector <int> get (int x) {
return mp[x] = ((mp[x] == vector <int> {-1, -1}) ? ask(x) : mp[x]);
}
int solve (int l, int r) {
if (l > r) return -1;
if (l == r) {
vector <int> q = get(l);
if (q[0] + q[1] == 0) return l;
return -1;
}
vector <int> ql = get(l);
vector <int> qr = get(r);
if (ql[0] + ql[1] == 0) return l;
if (qr[0] + qr[1] == 0) return r;
if (ql[0] + ql[1] == qr[0] + qr[1] && qr[0] - ql[0] == 0) return -1;
int mid = (l + r) / 2;
int rs = solve(l, mid);
return (rs == -1 ? solve(mid + 1, r): rs);
}
int find_best(int n) {
return solve(0, n - 1);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 2 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 3 |
Correct |
11 ms |
11260 KB |
Output is correct |
| 4 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 5 |
Correct |
11 ms |
11268 KB |
Output is correct |
| 6 |
Correct |
11 ms |
11264 KB |
Output is correct |
| 7 |
Correct |
12 ms |
11344 KB |
Output is correct |
| 8 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 9 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 10 |
Correct |
11 ms |
11216 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
11 ms |
11344 KB |
Output is correct |
| 2 |
Correct |
11 ms |
11264 KB |
Output is correct |
| 3 |
Correct |
14 ms |
11240 KB |
Output is correct |
| 4 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 5 |
Correct |
17 ms |
11216 KB |
Output is correct |
| 6 |
Correct |
10 ms |
11344 KB |
Output is correct |
| 7 |
Correct |
11 ms |
11212 KB |
Output is correct |
| 8 |
Correct |
16 ms |
11268 KB |
Output is correct |
| 9 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 10 |
Correct |
12 ms |
11156 KB |
Output is correct |
| 11 |
Correct |
12 ms |
11260 KB |
Output is correct |
| 12 |
Correct |
13 ms |
11168 KB |
Output is correct |
| 13 |
Correct |
16 ms |
11216 KB |
Output is correct |
| 14 |
Correct |
13 ms |
11216 KB |
Output is correct |
| 15 |
Correct |
27 ms |
11264 KB |
Output is correct |
| 16 |
Partially correct |
64 ms |
11252 KB |
Partially correct - number of queries: 6733 |
| 17 |
Correct |
10 ms |
11216 KB |
Output is correct |
| 18 |
Partially correct |
108 ms |
11248 KB |
Partially correct - number of queries: 8132 |
| 19 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 20 |
Correct |
23 ms |
11260 KB |
Output is correct |
| 21 |
Correct |
24 ms |
11252 KB |
Output is correct |
| 22 |
Correct |
17 ms |
11216 KB |
Output is correct |
| 23 |
Correct |
12 ms |
11256 KB |
Output is correct |
| 24 |
Correct |
16 ms |
11272 KB |
Output is correct |
| 25 |
Correct |
42 ms |
11216 KB |
Output is correct |
| 26 |
Correct |
39 ms |
11216 KB |
Output is correct |
| 27 |
Correct |
13 ms |
11216 KB |
Output is correct |
| 28 |
Partially correct |
76 ms |
11240 KB |
Partially correct - number of queries: 6947 |
| 29 |
Partially correct |
51 ms |
11264 KB |
Partially correct - number of queries: 5415 |
| 30 |
Partially correct |
85 ms |
11216 KB |
Partially correct - number of queries: 8071 |
| 31 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 32 |
Correct |
17 ms |
11260 KB |
Output is correct |
| 33 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 34 |
Correct |
31 ms |
11216 KB |
Output is correct |
| 35 |
Correct |
13 ms |
11216 KB |
Output is correct |
| 36 |
Correct |
33 ms |
11260 KB |
Output is correct |
| 37 |
Correct |
14 ms |
11216 KB |
Output is correct |
| 38 |
Correct |
11 ms |
11192 KB |
Output is correct |
| 39 |
Correct |
43 ms |
11216 KB |
Output is correct |
| 40 |
Partially correct |
56 ms |
11248 KB |
Partially correct - number of queries: 7041 |
| 41 |
Correct |
31 ms |
11268 KB |
Output is correct |
| 42 |
Correct |
50 ms |
11152 KB |
Output is correct |
| 43 |
Correct |
44 ms |
11216 KB |
Output is correct |
| 44 |
Correct |
45 ms |
11164 KB |
Output is correct |
| 45 |
Correct |
32 ms |
11252 KB |
Output is correct |
| 46 |
Correct |
11 ms |
11248 KB |
Output is correct |
| 47 |
Correct |
52 ms |
11216 KB |
Output is correct |
| 48 |
Partially correct |
53 ms |
11148 KB |
Partially correct - number of queries: 5788 |
| 49 |
Correct |
15 ms |
11260 KB |
Output is correct |
| 50 |
Partially correct |
89 ms |
11216 KB |
Partially correct - number of queries: 8123 |
| 51 |
Correct |
41 ms |
11216 KB |
Output is correct |
| 52 |
Correct |
12 ms |
11208 KB |
Output is correct |
| 53 |
Correct |
14 ms |
11216 KB |
Output is correct |
| 54 |
Correct |
41 ms |
11244 KB |
Output is correct |
| 55 |
Correct |
11 ms |
11156 KB |
Output is correct |
| 56 |
Partially correct |
111 ms |
11216 KB |
Partially correct - number of queries: 8127 |
| 57 |
Partially correct |
52 ms |
11216 KB |
Partially correct - number of queries: 5705 |
| 58 |
Partially correct |
66 ms |
11260 KB |
Partially correct - number of queries: 5802 |
| 59 |
Correct |
56 ms |
11136 KB |
Output is correct |
| 60 |
Correct |
30 ms |
11256 KB |
Output is correct |
| 61 |
Correct |
19 ms |
11264 KB |
Output is correct |
| 62 |
Correct |
11 ms |
11244 KB |
Output is correct |
| 63 |
Correct |
16 ms |
11228 KB |
Output is correct |
| 64 |
Correct |
12 ms |
11268 KB |
Output is correct |
| 65 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 66 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 67 |
Correct |
11 ms |
11264 KB |
Output is correct |
| 68 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 69 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 70 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 71 |
Partially correct |
87 ms |
11192 KB |
Partially correct - number of queries: 8104 |
| 72 |
Correct |
17 ms |
11216 KB |
Output is correct |
| 73 |
Partially correct |
71 ms |
11268 KB |
Partially correct - number of queries: 7999 |
| 74 |
Partially correct |
84 ms |
11216 KB |
Partially correct - number of queries: 8044 |
| 75 |
Correct |
13 ms |
11216 KB |
Output is correct |
| 76 |
Partially correct |
71 ms |
11216 KB |
Partially correct - number of queries: 7024 |
| 77 |
Partially correct |
92 ms |
11216 KB |
Partially correct - number of queries: 8114 |
| 78 |
Correct |
14 ms |
11216 KB |
Output is correct |
| 79 |
Correct |
48 ms |
11216 KB |
Output is correct |
| 80 |
Partially correct |
63 ms |
11216 KB |
Partially correct - number of queries: 8110 |
| 81 |
Partially correct |
89 ms |
11216 KB |
Partially correct - number of queries: 8110 |
| 82 |
Partially correct |
70 ms |
11216 KB |
Partially correct - number of queries: 8036 |
| 83 |
Correct |
15 ms |
11216 KB |
Output is correct |
| 84 |
Partially correct |
71 ms |
11216 KB |
Partially correct - number of queries: 6790 |
| 85 |
Partially correct |
44 ms |
11216 KB |
Partially correct - number of queries: 8107 |
| 86 |
Correct |
26 ms |
11236 KB |
Output is correct |
| 87 |
Correct |
18 ms |
11216 KB |
Output is correct |
| 88 |
Correct |
24 ms |
11216 KB |
Output is correct |
| 89 |
Correct |
28 ms |
11216 KB |
Output is correct |
| 90 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 91 |
Correct |
16 ms |
11216 KB |
Output is correct |
| 92 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 93 |
Correct |
16 ms |
11216 KB |
Output is correct |
| 94 |
Correct |
15 ms |
11216 KB |
Output is correct |
| 95 |
Correct |
18 ms |
11216 KB |
Output is correct |
| 96 |
Correct |
16 ms |
11300 KB |
Output is correct |
| 97 |
Correct |
11 ms |
11216 KB |
Output is correct |
