#include"prize.h"
#include<bits/stdc++.h>
using namespace std;
vector<vector<int>> seg(200005, {-1, -1});
int ans = -1, mx = 0;
void check(int i) {
if (seg[i][0] == seg[i][1] && seg[i][0] == 0) {
ans = i;
}
}
void Ask(int i) {
if (seg[i][0] == -1) {
seg[i] = ask(i);
mx = max(mx, seg[i][0]+seg[i][1]);
check(i);
}
}
void calc(int l, int r, int xl, int xr) {
if (ans != -1) {
return;
}
if (r-l < 2) {
Ask(l);
Ask(r);
return;
}
if (xl+xr >= mx) {
return;
}
int m1 = (l+r)/2, m2 = (l+r)/2;
for (; m1 > l; m1--) {
Ask(m1);
if (ans != -1) {
return;
}
if (seg[m1][0]+seg[m1][1] == mx) {
break;
}
}
calc(l, m1, xl, seg[m1][1]);
if (ans != -1) {
return;
}
for (; m2 < r; m2++) {
Ask(m2);
if (ans != -1) {
return;
}
if (seg[m2][0]+seg[m2][1] == mx) {
break;
}
}
calc(m2, r, seg[m2][0], xr);
}
int find_best(int n) {
for (int i = 0; i < sqrt(n); i++) {
Ask(i);
}
calc(0, n-1, 0, 0);
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
11352 KB |
Output is correct |
| 2 |
Correct |
12 ms |
11352 KB |
Output is correct |
| 3 |
Correct |
10 ms |
11352 KB |
Output is correct |
| 4 |
Correct |
15 ms |
11352 KB |
Output is correct |
| 5 |
Correct |
12 ms |
11340 KB |
Output is correct |
| 6 |
Correct |
10 ms |
11284 KB |
Output is correct |
| 7 |
Correct |
10 ms |
11352 KB |
Output is correct |
| 8 |
Correct |
12 ms |
11352 KB |
Output is correct |
| 9 |
Correct |
12 ms |
11400 KB |
Output is correct |
| 10 |
Correct |
13 ms |
11352 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 2 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 3 |
Correct |
12 ms |
11352 KB |
Output is correct |
| 4 |
Correct |
10 ms |
11352 KB |
Output is correct |
| 5 |
Correct |
13 ms |
11352 KB |
Output is correct |
| 6 |
Correct |
12 ms |
11352 KB |
Output is correct |
| 7 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 8 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 9 |
Correct |
18 ms |
11352 KB |
Output is correct |
| 10 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 11 |
Correct |
13 ms |
11352 KB |
Output is correct |
| 12 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 13 |
Correct |
20 ms |
11352 KB |
Output is correct |
| 14 |
Correct |
10 ms |
11352 KB |
Output is correct |
| 15 |
Correct |
23 ms |
11380 KB |
Output is correct |
| 16 |
Correct |
29 ms |
11328 KB |
Output is correct |
| 17 |
Correct |
14 ms |
11352 KB |
Output is correct |
| 18 |
Partially correct |
37 ms |
11276 KB |
Partially correct - number of queries: 5060 |
| 19 |
Correct |
13 ms |
11404 KB |
Output is correct |
| 20 |
Correct |
17 ms |
11404 KB |
Output is correct |
| 21 |
Correct |
20 ms |
11352 KB |
Output is correct |
| 22 |
Correct |
12 ms |
11396 KB |
Output is correct |
| 23 |
Correct |
10 ms |
11396 KB |
Output is correct |
| 24 |
Correct |
10 ms |
11400 KB |
Output is correct |
| 25 |
Correct |
21 ms |
11396 KB |
Output is correct |
| 26 |
Correct |
23 ms |
11352 KB |
Output is correct |
| 27 |
Correct |
12 ms |
11352 KB |
Output is correct |
| 28 |
Correct |
31 ms |
11344 KB |
Output is correct |
| 29 |
Correct |
28 ms |
11404 KB |
Output is correct |
| 30 |
Partially correct |
36 ms |
11364 KB |
Partially correct - number of queries: 5034 |
| 31 |
Correct |
10 ms |
11412 KB |
Output is correct |
| 32 |
Correct |
14 ms |
11172 KB |
Output is correct |
| 33 |
Correct |
8 ms |
11216 KB |
Output is correct |
| 34 |
Correct |
18 ms |
11356 KB |
Output is correct |
| 35 |
Correct |
12 ms |
11360 KB |
Output is correct |
| 36 |
Correct |
17 ms |
11364 KB |
Output is correct |
| 37 |
Correct |
15 ms |
11412 KB |
Output is correct |
| 38 |
Correct |
16 ms |
11420 KB |
Output is correct |
| 39 |
Correct |
27 ms |
11408 KB |
Output is correct |
| 40 |
Correct |
27 ms |
11416 KB |
Output is correct |
| 41 |
Correct |
25 ms |
11352 KB |
Output is correct |
| 42 |
Correct |
22 ms |
11352 KB |
Output is correct |
| 43 |
Correct |
22 ms |
11352 KB |
Output is correct |
| 44 |
Correct |
23 ms |
11352 KB |
Output is correct |
| 45 |
Correct |
21 ms |
11352 KB |
Output is correct |
| 46 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 47 |
Correct |
20 ms |
11352 KB |
Output is correct |
| 48 |
Correct |
36 ms |
11224 KB |
Output is correct |
| 49 |
Correct |
13 ms |
11352 KB |
Output is correct |
| 50 |
Partially correct |
45 ms |
11408 KB |
Partially correct - number of queries: 5069 |
| 51 |
Correct |
22 ms |
11352 KB |
Output is correct |
| 52 |
Correct |
11 ms |
11400 KB |
Output is correct |
| 53 |
Correct |
12 ms |
11352 KB |
Output is correct |
| 54 |
Correct |
20 ms |
11352 KB |
Output is correct |
| 55 |
Correct |
9 ms |
11348 KB |
Output is correct |
| 56 |
Partially correct |
26 ms |
11352 KB |
Partially correct - number of queries: 5041 |
| 57 |
Correct |
32 ms |
11352 KB |
Output is correct |
| 58 |
Correct |
25 ms |
11224 KB |
Output is correct |
| 59 |
Correct |
17 ms |
11352 KB |
Output is correct |
| 60 |
Correct |
26 ms |
11352 KB |
Output is correct |
| 61 |
Correct |
12 ms |
11292 KB |
Output is correct |
| 62 |
Correct |
12 ms |
11352 KB |
Output is correct |
| 63 |
Correct |
16 ms |
11352 KB |
Output is correct |
| 64 |
Correct |
10 ms |
11312 KB |
Output is correct |
| 65 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 66 |
Correct |
19 ms |
11352 KB |
Output is correct |
| 67 |
Correct |
17 ms |
11352 KB |
Output is correct |
| 68 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 69 |
Correct |
13 ms |
11352 KB |
Output is correct |
| 70 |
Correct |
12 ms |
11228 KB |
Output is correct |
| 71 |
Partially correct |
47 ms |
11352 KB |
Partially correct - number of queries: 5207 |
| 72 |
Correct |
12 ms |
11348 KB |
Output is correct |
| 73 |
Partially correct |
35 ms |
11352 KB |
Partially correct - number of queries: 5144 |
| 74 |
Partially correct |
41 ms |
11352 KB |
Partially correct - number of queries: 5171 |
| 75 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 76 |
Correct |
28 ms |
11352 KB |
Output is correct |
| 77 |
Partially correct |
40 ms |
11352 KB |
Partially correct - number of queries: 5193 |
| 78 |
Correct |
14 ms |
11352 KB |
Output is correct |
| 79 |
Correct |
25 ms |
11352 KB |
Output is correct |
| 80 |
Partially correct |
42 ms |
11172 KB |
Partially correct - number of queries: 5189 |
| 81 |
Partially correct |
38 ms |
11352 KB |
Partially correct - number of queries: 5164 |
| 82 |
Partially correct |
40 ms |
11352 KB |
Partially correct - number of queries: 5091 |
| 83 |
Correct |
14 ms |
11352 KB |
Output is correct |
| 84 |
Correct |
28 ms |
11352 KB |
Output is correct |
| 85 |
Partially correct |
26 ms |
11352 KB |
Partially correct - number of queries: 5152 |
| 86 |
Correct |
10 ms |
11352 KB |
Output is correct |
| 87 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 88 |
Correct |
10 ms |
11352 KB |
Output is correct |
| 89 |
Correct |
10 ms |
11352 KB |
Output is correct |
| 90 |
Correct |
17 ms |
11352 KB |
Output is correct |
| 91 |
Correct |
12 ms |
11352 KB |
Output is correct |
| 92 |
Correct |
16 ms |
11352 KB |
Output is correct |
| 93 |
Correct |
12 ms |
11352 KB |
Output is correct |
| 94 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 95 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 96 |
Correct |
10 ms |
11208 KB |
Output is correct |
| 97 |
Correct |
11 ms |
11352 KB |
Output is correct |
