#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 200200;
const int B = 512;
vector<int> arr[N];
vector<int> ASK(int p) {
if (arr[p].empty())
arr[p] = ask(p);
return arr[p];
}
int sum(int i) {
return ASK(i)[0] + ASK(i)[1];
}
int find_best(int n) {
int val = sum(0);
for (int i = 0; i < min(n, B); i++) {
if (!sum(i)) return i;
val = max(val, sum(i));
}
int cnt = 0;
for (int i = 0; i < B; i++)
cnt += (sum(i) < val);
for (int it = B; it < n; it += B) {
int rb = min(it + B - 1, n - 1), k = 0;
if (sum(rb) == val && arr[rb][0] == cnt)
continue;
while (rb >= it && sum(rb) < val) {
if (!sum(rb)) return rb;
k++;
rb--;
}
int i = it, del = arr[rb][0];
while (i < rb && cnt < arr[rb][0]) {
while (i < rb && sum(i) < val) {
if (!sum(i))
return i;
cnt++;
i++;
}
if (cnt == arr[rb][0]) break;
int l = i, r = rb;
while (r - l > 1) {
int mid = (l + r) / 2;
if (ASK(mid) == ASK(i))
l = mid;
else {
if (!sum(mid))
return mid;
r = mid;
}
}
i = r;
}
cnt += k;
}
return 0;
}
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:41:15: warning: unused variable 'del' [-Wunused-variable]
41 | int i = it, del = arr[rb][0];
| ^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
4 ms |
5132 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 4 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 5 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 7 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 8 |
Correct |
4 ms |
5208 KB |
Output is correct |
| 9 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 10 |
Correct |
5 ms |
5208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
5144 KB |
Output is correct |
| 2 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 3 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 4 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 5 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 7 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 8 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 9 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 10 |
Correct |
6 ms |
4952 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 12 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 13 |
Correct |
9 ms |
4952 KB |
Output is correct |
| 14 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 15 |
Correct |
6 ms |
4952 KB |
Output is correct |
| 16 |
Correct |
21 ms |
5256 KB |
Output is correct |
| 17 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 18 |
Partially correct |
22 ms |
5456 KB |
Partially correct - number of queries: 5761 |
| 19 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 20 |
Correct |
7 ms |
5148 KB |
Output is correct |
| 21 |
Correct |
8 ms |
5208 KB |
Output is correct |
| 22 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 23 |
Correct |
4 ms |
5152 KB |
Output is correct |
| 24 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 25 |
Correct |
16 ms |
5208 KB |
Output is correct |
| 26 |
Correct |
13 ms |
5208 KB |
Output is correct |
| 27 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 28 |
Partially correct |
19 ms |
5208 KB |
Partially correct - number of queries: 5177 |
| 29 |
Correct |
16 ms |
5176 KB |
Output is correct |
| 30 |
Partially correct |
27 ms |
5424 KB |
Partially correct - number of queries: 5828 |
| 31 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 32 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 33 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 34 |
Correct |
15 ms |
5132 KB |
Output is correct |
| 35 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 36 |
Correct |
10 ms |
4952 KB |
Output is correct |
| 37 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 38 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 39 |
Correct |
12 ms |
5200 KB |
Output is correct |
| 40 |
Partially correct |
20 ms |
5512 KB |
Partially correct - number of queries: 5106 |
| 41 |
Correct |
19 ms |
5200 KB |
Output is correct |
| 42 |
Correct |
16 ms |
5208 KB |
Output is correct |
| 43 |
Correct |
13 ms |
5208 KB |
Output is correct |
| 44 |
Correct |
11 ms |
5208 KB |
Output is correct |
| 45 |
Correct |
10 ms |
4952 KB |
Output is correct |
| 46 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 47 |
Correct |
10 ms |
5208 KB |
Output is correct |
| 48 |
Correct |
23 ms |
5208 KB |
Output is correct |
| 49 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 50 |
Partially correct |
22 ms |
5208 KB |
Partially correct - number of queries: 5775 |
| 51 |
Correct |
7 ms |
5464 KB |
Output is correct |
| 52 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 53 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 54 |
Correct |
11 ms |
5448 KB |
Output is correct |
| 55 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 56 |
Partially correct |
21 ms |
5224 KB |
Partially correct - number of queries: 5780 |
| 57 |
Correct |
18 ms |
5392 KB |
Output is correct |
| 58 |
Correct |
21 ms |
5464 KB |
Output is correct |
| 59 |
Correct |
14 ms |
5436 KB |
Output is correct |
| 60 |
Correct |
17 ms |
5452 KB |
Output is correct |
| 61 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 62 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 63 |
Correct |
4 ms |
5132 KB |
Output is correct |
| 64 |
Correct |
5 ms |
5144 KB |
Output is correct |
| 65 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 66 |
Correct |
5 ms |
5144 KB |
Output is correct |
| 67 |
Correct |
5 ms |
5108 KB |
Output is correct |
| 68 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 69 |
Correct |
7 ms |
4952 KB |
Output is correct |
| 70 |
Correct |
8 ms |
5144 KB |
Output is correct |
| 71 |
Partially correct |
25 ms |
5464 KB |
Partially correct - number of queries: 5458 |
| 72 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 73 |
Partially correct |
18 ms |
5456 KB |
Partially correct - number of queries: 5402 |
| 74 |
Partially correct |
22 ms |
5272 KB |
Partially correct - number of queries: 5426 |
| 75 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 76 |
Correct |
18 ms |
5464 KB |
Output is correct |
| 77 |
Partially correct |
31 ms |
5272 KB |
Partially correct - number of queries: 5691 |
| 78 |
Correct |
8 ms |
4952 KB |
Output is correct |
| 79 |
Correct |
11 ms |
5184 KB |
Output is correct |
| 80 |
Partially correct |
26 ms |
5496 KB |
Partially correct - number of queries: 5718 |
| 81 |
Partially correct |
32 ms |
5208 KB |
Partially correct - number of queries: 5686 |
| 82 |
Partially correct |
31 ms |
5524 KB |
Partially correct - number of queries: 5675 |
| 83 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 84 |
Correct |
20 ms |
5240 KB |
Output is correct |
| 85 |
Partially correct |
24 ms |
5456 KB |
Partially correct - number of queries: 5672 |
| 86 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 87 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 88 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 89 |
Correct |
6 ms |
4952 KB |
Output is correct |
| 90 |
Correct |
6 ms |
4952 KB |
Output is correct |
| 91 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 92 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 93 |
Correct |
7 ms |
4952 KB |
Output is correct |
| 94 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 95 |
Correct |
5 ms |
5208 KB |
Output is correct |
| 96 |
Correct |
7 ms |
4952 KB |
Output is correct |
| 97 |
Correct |
4 ms |
5208 KB |
Output is correct |
