#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
mt19937 rnd(239);
namespace {
int mx_cnt;
}
vector<vector<int>> mem;
vector<int> mask(int i) {
return mem[i] == vector<int>{-1, -1} ? mem[i] = ask(i) : mem[i];
}
int solve(int l, int r) {
if (l > r)
return -1;
if (l == r) {
auto a = mask(l);
if (a[0] + a[1] == 0)
return l;
return -1;
}
auto al = mask(l);
auto ar = mask(r);
if (al[0] + al[1] == 0)
return l;
if (ar[0] + ar[1] == 0)
return r;
if (al[0] + al[1] == ar[0] + ar[1] && al[0] == ar[0])
return -1;
int m = (l + r) / 2;
int res = solve(l, m);
if (res == -1)
res = solve(m + 1, r);
return res;
}
int find_best(int n) {
mem.resize(n, vector<int>{-1, -1});
return solve(0, n - 1);
}
Compilation message
prize.cpp:10:5: warning: '{anonymous}::mx_cnt' defined but not used [-Wunused-variable]
10 | int mx_cnt;
| ^~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
13 ms |
11216 KB |
Output is correct |
| 2 |
Correct |
14 ms |
11176 KB |
Output is correct |
| 3 |
Correct |
14 ms |
11288 KB |
Output is correct |
| 4 |
Correct |
11 ms |
11172 KB |
Output is correct |
| 5 |
Correct |
13 ms |
11216 KB |
Output is correct |
| 6 |
Correct |
12 ms |
11188 KB |
Output is correct |
| 7 |
Correct |
11 ms |
11168 KB |
Output is correct |
| 8 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 9 |
Correct |
12 ms |
11168 KB |
Output is correct |
| 10 |
Correct |
11 ms |
11216 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
13 ms |
11160 KB |
Output is correct |
| 2 |
Correct |
11 ms |
11168 KB |
Output is correct |
| 3 |
Correct |
11 ms |
11176 KB |
Output is correct |
| 4 |
Correct |
12 ms |
11172 KB |
Output is correct |
| 5 |
Correct |
13 ms |
11168 KB |
Output is correct |
| 6 |
Correct |
12 ms |
11164 KB |
Output is correct |
| 7 |
Correct |
11 ms |
11180 KB |
Output is correct |
| 8 |
Correct |
15 ms |
11168 KB |
Output is correct |
| 9 |
Correct |
11 ms |
11168 KB |
Output is correct |
| 10 |
Correct |
12 ms |
11208 KB |
Output is correct |
| 11 |
Correct |
14 ms |
11168 KB |
Output is correct |
| 12 |
Correct |
11 ms |
11208 KB |
Output is correct |
| 13 |
Correct |
17 ms |
11176 KB |
Output is correct |
| 14 |
Correct |
4 ms |
1360 KB |
Output is correct |
| 15 |
Correct |
22 ms |
11228 KB |
Output is correct |
| 16 |
Partially correct |
39 ms |
11156 KB |
Partially correct - number of queries: 6733 |
| 17 |
Correct |
11 ms |
11160 KB |
Output is correct |
| 18 |
Partially correct |
124 ms |
11168 KB |
Partially correct - number of queries: 8132 |
| 19 |
Correct |
12 ms |
11176 KB |
Output is correct |
| 20 |
Correct |
13 ms |
5800 KB |
Output is correct |
| 21 |
Correct |
23 ms |
11176 KB |
Output is correct |
| 22 |
Correct |
22 ms |
11208 KB |
Output is correct |
| 23 |
Correct |
11 ms |
11172 KB |
Output is correct |
| 24 |
Correct |
14 ms |
11164 KB |
Output is correct |
| 25 |
Correct |
49 ms |
11172 KB |
Output is correct |
| 26 |
Correct |
44 ms |
11156 KB |
Output is correct |
| 27 |
Correct |
12 ms |
11164 KB |
Output is correct |
| 28 |
Partially correct |
65 ms |
11172 KB |
Partially correct - number of queries: 6947 |
| 29 |
Partially correct |
60 ms |
11176 KB |
Partially correct - number of queries: 5415 |
| 30 |
Partially correct |
68 ms |
11176 KB |
Partially correct - number of queries: 8071 |
| 31 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 32 |
Correct |
18 ms |
11172 KB |
Output is correct |
| 33 |
Correct |
0 ms |
208 KB |
Output is correct |
| 34 |
Correct |
40 ms |
11176 KB |
Output is correct |
| 35 |
Correct |
13 ms |
11164 KB |
Output is correct |
| 36 |
Correct |
26 ms |
11164 KB |
Output is correct |
| 37 |
Correct |
13 ms |
11172 KB |
Output is correct |
| 38 |
Correct |
12 ms |
11168 KB |
Output is correct |
| 39 |
Correct |
40 ms |
11168 KB |
Output is correct |
| 40 |
Partially correct |
65 ms |
11172 KB |
Partially correct - number of queries: 7041 |
| 41 |
Correct |
35 ms |
11208 KB |
Output is correct |
| 42 |
Correct |
49 ms |
11200 KB |
Output is correct |
| 43 |
Correct |
42 ms |
11172 KB |
Output is correct |
| 44 |
Correct |
38 ms |
11176 KB |
Output is correct |
| 45 |
Correct |
20 ms |
11176 KB |
Output is correct |
| 46 |
Correct |
12 ms |
11172 KB |
Output is correct |
| 47 |
Correct |
41 ms |
11160 KB |
Output is correct |
| 48 |
Partially correct |
64 ms |
11160 KB |
Partially correct - number of queries: 5788 |
| 49 |
Correct |
16 ms |
11172 KB |
Output is correct |
| 50 |
Partially correct |
46 ms |
11152 KB |
Partially correct - number of queries: 8123 |
| 51 |
Correct |
36 ms |
11216 KB |
Output is correct |
| 52 |
Correct |
11 ms |
11176 KB |
Output is correct |
| 53 |
Correct |
12 ms |
11160 KB |
Output is correct |
| 54 |
Correct |
41 ms |
11172 KB |
Output is correct |
| 55 |
Correct |
15 ms |
11216 KB |
Output is correct |
| 56 |
Partially correct |
91 ms |
11216 KB |
Partially correct - number of queries: 8127 |
| 57 |
Partially correct |
54 ms |
11172 KB |
Partially correct - number of queries: 5705 |
| 58 |
Partially correct |
34 ms |
11172 KB |
Partially correct - number of queries: 5802 |
| 59 |
Correct |
47 ms |
11208 KB |
Output is correct |
| 60 |
Correct |
28 ms |
11316 KB |
Output is correct |
| 61 |
Correct |
14 ms |
11204 KB |
Output is correct |
| 62 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 63 |
Correct |
13 ms |
11172 KB |
Output is correct |
| 64 |
Correct |
12 ms |
11208 KB |
Output is correct |
| 65 |
Correct |
12 ms |
11252 KB |
Output is correct |
| 66 |
Correct |
14 ms |
11180 KB |
Output is correct |
| 67 |
Correct |
12 ms |
11168 KB |
Output is correct |
| 68 |
Correct |
11 ms |
11168 KB |
Output is correct |
| 69 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 70 |
Correct |
14 ms |
11216 KB |
Output is correct |
| 71 |
Partially correct |
84 ms |
11216 KB |
Partially correct - number of queries: 8104 |
| 72 |
Correct |
17 ms |
11176 KB |
Output is correct |
| 73 |
Partially correct |
87 ms |
11156 KB |
Partially correct - number of queries: 7999 |
| 74 |
Partially correct |
74 ms |
11216 KB |
Partially correct - number of queries: 8044 |
| 75 |
Correct |
14 ms |
11272 KB |
Output is correct |
| 76 |
Partially correct |
64 ms |
11252 KB |
Partially correct - number of queries: 7024 |
| 77 |
Partially correct |
46 ms |
11256 KB |
Partially correct - number of queries: 8114 |
| 78 |
Correct |
21 ms |
11172 KB |
Output is correct |
| 79 |
Correct |
54 ms |
11168 KB |
Output is correct |
| 80 |
Partially correct |
79 ms |
11216 KB |
Partially correct - number of queries: 8110 |
| 81 |
Partially correct |
74 ms |
11216 KB |
Partially correct - number of queries: 8110 |
| 82 |
Partially correct |
90 ms |
11216 KB |
Partially correct - number of queries: 8036 |
| 83 |
Correct |
13 ms |
11216 KB |
Output is correct |
| 84 |
Partially correct |
38 ms |
11176 KB |
Partially correct - number of queries: 6790 |
| 85 |
Partially correct |
62 ms |
11276 KB |
Partially correct - number of queries: 8107 |
| 86 |
Correct |
25 ms |
11244 KB |
Output is correct |
| 87 |
Correct |
14 ms |
11216 KB |
Output is correct |
| 88 |
Correct |
23 ms |
11216 KB |
Output is correct |
| 89 |
Correct |
23 ms |
11216 KB |
Output is correct |
| 90 |
Correct |
15 ms |
11216 KB |
Output is correct |
| 91 |
Correct |
14 ms |
11216 KB |
Output is correct |
| 92 |
Correct |
14 ms |
11240 KB |
Output is correct |
| 93 |
Correct |
17 ms |
11256 KB |
Output is correct |
| 94 |
Correct |
17 ms |
11216 KB |
Output is correct |
| 95 |
Correct |
18 ms |
11232 KB |
Output is correct |
| 96 |
Correct |
16 ms |
11196 KB |
Output is correct |
| 97 |
Correct |
11 ms |
11248 KB |
Output is correct |
