#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 2e5+5;
vector<vector<int>> memo(MAXN, vector<int>(2, -1));
vector<int> _ask(int i) {
if (memo[i][0] != -1) return memo[i];
return memo[i] = ask(i);
}
int find_best(int n) {
int mx = 0;
int sqrtn = sqrt(n);
int k = 0;
for(int i = 0; i < sqrtn; i++) {
vector<int> res = _ask(i);
if(res[0] + res[1] == 0) return i;
mx = max(mx, res[0] + res[1]);
}
for (int i = sqrtn; i < n; ++i) {
auto res = _ask(i);
if (res[0] + res[1] < mx) {
if (res[0] + res[1] == 0) return i;
continue;
}
int l = i, r = n-1;
int tmp = i;
while(l<r) {
int mid = (l+r)/2;
auto rmid = _ask(mid);
if (rmid[0]+rmid[1] < mx || rmid[1] < res[1]) {
if (rmid[0]+rmid[1] == 0) return mid;
r = mid;
} else {
l = mid+1;
tmp = mid;
}
}
i = tmp;
}
return 0;
}
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:16:6: warning: unused variable 'k' [-Wunused-variable]
16 | int k = 0;
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
15 ms |
11216 KB |
Output is correct |
| 2 |
Correct |
10 ms |
11344 KB |
Output is correct |
| 3 |
Correct |
13 ms |
11216 KB |
Output is correct |
| 4 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 5 |
Correct |
16 ms |
11216 KB |
Output is correct |
| 6 |
Correct |
9 ms |
11264 KB |
Output is correct |
| 7 |
Correct |
12 ms |
11264 KB |
Output is correct |
| 8 |
Correct |
12 ms |
11268 KB |
Output is correct |
| 9 |
Correct |
10 ms |
11216 KB |
Output is correct |
| 10 |
Correct |
12 ms |
11216 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
11260 KB |
Output is correct |
| 2 |
Correct |
12 ms |
11204 KB |
Output is correct |
| 3 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 4 |
Correct |
10 ms |
11260 KB |
Output is correct |
| 5 |
Correct |
11 ms |
11268 KB |
Output is correct |
| 6 |
Correct |
9 ms |
11216 KB |
Output is correct |
| 7 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 8 |
Correct |
11 ms |
11268 KB |
Output is correct |
| 9 |
Correct |
11 ms |
11268 KB |
Output is correct |
| 10 |
Correct |
13 ms |
11252 KB |
Output is correct |
| 11 |
Correct |
15 ms |
11156 KB |
Output is correct |
| 12 |
Correct |
11 ms |
11268 KB |
Output is correct |
| 13 |
Correct |
13 ms |
11260 KB |
Output is correct |
| 14 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 15 |
Correct |
22 ms |
11216 KB |
Output is correct |
| 16 |
Partially correct |
37 ms |
11268 KB |
Partially correct - number of queries: 7088 |
| 17 |
Correct |
11 ms |
11260 KB |
Output is correct |
| 18 |
Partially correct |
56 ms |
11260 KB |
Partially correct - number of queries: 8230 |
| 19 |
Correct |
12 ms |
11264 KB |
Output is correct |
| 20 |
Correct |
23 ms |
11216 KB |
Output is correct |
| 21 |
Correct |
30 ms |
11256 KB |
Output is correct |
| 22 |
Correct |
19 ms |
11216 KB |
Output is correct |
| 23 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 24 |
Correct |
13 ms |
11268 KB |
Output is correct |
| 25 |
Correct |
37 ms |
11240 KB |
Output is correct |
| 26 |
Correct |
33 ms |
11240 KB |
Output is correct |
| 27 |
Correct |
11 ms |
11204 KB |
Output is correct |
| 28 |
Partially correct |
71 ms |
11216 KB |
Partially correct - number of queries: 7790 |
| 29 |
Partially correct |
60 ms |
11248 KB |
Partially correct - number of queries: 6009 |
| 30 |
Partially correct |
37 ms |
11264 KB |
Partially correct - number of queries: 8186 |
| 31 |
Correct |
16 ms |
11220 KB |
Output is correct |
| 32 |
Correct |
14 ms |
11216 KB |
Output is correct |
| 33 |
Correct |
9 ms |
11216 KB |
Output is correct |
| 34 |
Correct |
34 ms |
11216 KB |
Output is correct |
| 35 |
Correct |
14 ms |
11364 KB |
Output is correct |
| 36 |
Correct |
34 ms |
11260 KB |
Output is correct |
| 37 |
Correct |
14 ms |
11216 KB |
Output is correct |
| 38 |
Correct |
10 ms |
11264 KB |
Output is correct |
| 39 |
Correct |
45 ms |
11268 KB |
Output is correct |
| 40 |
Partially correct |
60 ms |
11272 KB |
Partially correct - number of queries: 7082 |
| 41 |
Partially correct |
28 ms |
11284 KB |
Partially correct - number of queries: 5122 |
| 42 |
Partially correct |
36 ms |
11216 KB |
Partially correct - number of queries: 5122 |
| 43 |
Correct |
39 ms |
11260 KB |
Output is correct |
| 44 |
Correct |
42 ms |
11268 KB |
Output is correct |
| 45 |
Correct |
35 ms |
11268 KB |
Output is correct |
| 46 |
Correct |
17 ms |
11216 KB |
Output is correct |
| 47 |
Correct |
23 ms |
11264 KB |
Output is correct |
| 48 |
Partially correct |
30 ms |
11252 KB |
Partially correct - number of queries: 6221 |
| 49 |
Correct |
12 ms |
11264 KB |
Output is correct |
| 50 |
Partially correct |
53 ms |
11216 KB |
Partially correct - number of queries: 8218 |
| 51 |
Correct |
23 ms |
11344 KB |
Output is correct |
| 52 |
Correct |
17 ms |
11216 KB |
Output is correct |
| 53 |
Correct |
13 ms |
11264 KB |
Output is correct |
| 54 |
Correct |
22 ms |
11264 KB |
Output is correct |
| 55 |
Correct |
12 ms |
11264 KB |
Output is correct |
| 56 |
Partially correct |
37 ms |
11268 KB |
Partially correct - number of queries: 8232 |
| 57 |
Partially correct |
67 ms |
11216 KB |
Partially correct - number of queries: 6108 |
| 58 |
Partially correct |
62 ms |
11264 KB |
Partially correct - number of queries: 6200 |
| 59 |
Partially correct |
57 ms |
11140 KB |
Partially correct - number of queries: 5123 |
| 60 |
Correct |
32 ms |
11256 KB |
Output is correct |
| 61 |
Correct |
12 ms |
11264 KB |
Output is correct |
| 62 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 63 |
Correct |
12 ms |
11264 KB |
Output is correct |
| 64 |
Correct |
14 ms |
11216 KB |
Output is correct |
| 65 |
Correct |
13 ms |
11160 KB |
Output is correct |
| 66 |
Correct |
16 ms |
11264 KB |
Output is correct |
| 67 |
Correct |
11 ms |
11336 KB |
Output is correct |
| 68 |
Correct |
11 ms |
11268 KB |
Output is correct |
| 69 |
Correct |
15 ms |
11264 KB |
Output is correct |
| 70 |
Correct |
13 ms |
11216 KB |
Output is correct |
| 71 |
Partially correct |
53 ms |
11208 KB |
Partially correct - number of queries: 8253 |
| 72 |
Correct |
16 ms |
11216 KB |
Output is correct |
| 73 |
Partially correct |
61 ms |
11216 KB |
Partially correct - number of queries: 8126 |
| 74 |
Partially correct |
52 ms |
11256 KB |
Partially correct - number of queries: 8180 |
| 75 |
Correct |
13 ms |
11216 KB |
Output is correct |
| 76 |
Partially correct |
51 ms |
11212 KB |
Partially correct - number of queries: 7067 |
| 77 |
Partially correct |
77 ms |
11216 KB |
Partially correct - number of queries: 8313 |
| 78 |
Correct |
17 ms |
11216 KB |
Output is correct |
| 79 |
Correct |
41 ms |
11216 KB |
Output is correct |
| 80 |
Partially correct |
75 ms |
11216 KB |
Partially correct - number of queries: 8310 |
| 81 |
Partially correct |
47 ms |
11216 KB |
Partially correct - number of queries: 8281 |
| 82 |
Partially correct |
63 ms |
11216 KB |
Partially correct - number of queries: 8216 |
| 83 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 84 |
Partially correct |
62 ms |
11228 KB |
Partially correct - number of queries: 6819 |
| 85 |
Partially correct |
63 ms |
11264 KB |
Partially correct - number of queries: 8260 |
| 86 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 87 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 88 |
Correct |
12 ms |
11216 KB |
Output is correct |
| 89 |
Correct |
11 ms |
11172 KB |
Output is correct |
| 90 |
Correct |
11 ms |
11216 KB |
Output is correct |
| 91 |
Correct |
13 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 |
16 ms |
11148 KB |
Output is correct |
| 95 |
Correct |
18 ms |
11216 KB |
Output is correct |
| 96 |
Correct |
14 ms |
11216 KB |
Output is correct |
| 97 |
Correct |
12 ms |
11216 KB |
Output is correct |
