#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
const int maxn = 2e5 + 20;
const int lim = 474;
const int jump = 300;
vector<int> memo[maxn];
vector<int> get(int i) {
if (memo[i].empty()) {
memo[i] = ask(i);
}
return memo[i];
}
int find_best(int n) {
if (n <= lim) {
for (int i = 0; i < n; i++) {
vector<int> res = get(i);
if (res[0] + res[1] == 0) {
return i;
}
}
}
int mx = 0;
for (int i = 0; i < lim; i++) {
vector<int> res = get(i);
if (res[0] + res[1] == 0) {
return i;
}
mx = max(mx, res[0] + res[1]);
}
int cur = lim;
while (true) {
vector<int> res1 = get(cur);
if (res1[0] + res1[1] == 0) {
return cur;
}
if (res1[0] + res1[1] < mx) {
cur++;
continue;
}
if (cur + jump < n) {
vector<int> res2 = get(cur + jump);
if ((res2[0] + res2[1] == res1[0] + res1[1]) && (res2[0] == res1[0])) {
cur += jump;
continue;
}
}
int lt = cur + 1;
int rt = min(cur + jump - 1, n - 1);
while (lt <= rt) {
int mt = (lt + rt) / 2;
vector<int> res2 = get(mt);
if (res2[0] + res2[1] == 0) {
return mt;
}
if ((res2[0] + res2[1] == res1[0] + res1[1]) && (res2[0] == res1[0])) {
cur = mt;
lt = mt + 1;
}
else {
rt = mt - 1;
}
}
cur++;
}
return -1;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
7 ms |
4944 KB |
Output is correct |
| 2 |
Correct |
6 ms |
5020 KB |
Output is correct |
| 3 |
Correct |
9 ms |
4944 KB |
Output is correct |
| 4 |
Correct |
12 ms |
5016 KB |
Output is correct |
| 5 |
Correct |
7 ms |
4944 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4984 KB |
Output is correct |
| 7 |
Correct |
8 ms |
4988 KB |
Output is correct |
| 8 |
Correct |
9 ms |
4992 KB |
Output is correct |
| 9 |
Correct |
8 ms |
4988 KB |
Output is correct |
| 10 |
Correct |
12 ms |
5008 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
7 ms |
4944 KB |
Output is correct |
| 2 |
Correct |
6 ms |
5020 KB |
Output is correct |
| 3 |
Correct |
5 ms |
5008 KB |
Output is correct |
| 4 |
Correct |
8 ms |
4992 KB |
Output is correct |
| 5 |
Correct |
9 ms |
4908 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4944 KB |
Output is correct |
| 7 |
Correct |
5 ms |
5016 KB |
Output is correct |
| 8 |
Correct |
6 ms |
5020 KB |
Output is correct |
| 9 |
Correct |
5 ms |
5004 KB |
Output is correct |
| 10 |
Correct |
12 ms |
4944 KB |
Output is correct |
| 11 |
Correct |
6 ms |
5012 KB |
Output is correct |
| 12 |
Correct |
5 ms |
5004 KB |
Output is correct |
| 13 |
Correct |
8 ms |
5116 KB |
Output is correct |
| 14 |
Correct |
8 ms |
4944 KB |
Output is correct |
| 15 |
Correct |
8 ms |
5000 KB |
Output is correct |
| 16 |
Correct |
20 ms |
5132 KB |
Output is correct |
| 17 |
Correct |
4 ms |
4996 KB |
Output is correct |
| 18 |
Partially correct |
45 ms |
5356 KB |
Partially correct - number of queries: 5752 |
| 19 |
Correct |
4 ms |
4992 KB |
Output is correct |
| 20 |
Correct |
8 ms |
5044 KB |
Output is correct |
| 21 |
Correct |
13 ms |
4996 KB |
Output is correct |
| 22 |
Correct |
5 ms |
5016 KB |
Output is correct |
| 23 |
Correct |
6 ms |
4992 KB |
Output is correct |
| 24 |
Correct |
7 ms |
4984 KB |
Output is correct |
| 25 |
Correct |
21 ms |
5064 KB |
Output is correct |
| 26 |
Correct |
18 ms |
5072 KB |
Output is correct |
| 27 |
Correct |
5 ms |
5012 KB |
Output is correct |
| 28 |
Partially correct |
26 ms |
5128 KB |
Partially correct - number of queries: 5252 |
| 29 |
Correct |
27 ms |
5064 KB |
Output is correct |
| 30 |
Partially correct |
23 ms |
5156 KB |
Partially correct - number of queries: 5686 |
| 31 |
Correct |
6 ms |
4944 KB |
Output is correct |
| 32 |
Correct |
7 ms |
5020 KB |
Output is correct |
| 33 |
Correct |
2 ms |
4944 KB |
Output is correct |
| 34 |
Correct |
9 ms |
5036 KB |
Output is correct |
| 35 |
Correct |
6 ms |
5088 KB |
Output is correct |
| 36 |
Correct |
8 ms |
5048 KB |
Output is correct |
| 37 |
Correct |
7 ms |
4988 KB |
Output is correct |
| 38 |
Correct |
7 ms |
4944 KB |
Output is correct |
| 39 |
Correct |
26 ms |
4996 KB |
Output is correct |
| 40 |
Correct |
22 ms |
5088 KB |
Output is correct |
| 41 |
Correct |
30 ms |
5000 KB |
Output is correct |
| 42 |
Correct |
29 ms |
5016 KB |
Output is correct |
| 43 |
Correct |
12 ms |
5080 KB |
Output is correct |
| 44 |
Correct |
23 ms |
4944 KB |
Output is correct |
| 45 |
Correct |
15 ms |
5028 KB |
Output is correct |
| 46 |
Correct |
4 ms |
5004 KB |
Output is correct |
| 47 |
Correct |
26 ms |
4996 KB |
Output is correct |
| 48 |
Correct |
38 ms |
4996 KB |
Output is correct |
| 49 |
Correct |
5 ms |
5088 KB |
Output is correct |
| 50 |
Partially correct |
22 ms |
5164 KB |
Partially correct - number of queries: 5706 |
| 51 |
Correct |
22 ms |
5032 KB |
Output is correct |
| 52 |
Correct |
4 ms |
5080 KB |
Output is correct |
| 53 |
Correct |
12 ms |
4988 KB |
Output is correct |
| 54 |
Correct |
22 ms |
5024 KB |
Output is correct |
| 55 |
Correct |
5 ms |
5008 KB |
Output is correct |
| 56 |
Partially correct |
22 ms |
5148 KB |
Partially correct - number of queries: 5738 |
| 57 |
Correct |
17 ms |
5092 KB |
Output is correct |
| 58 |
Correct |
37 ms |
5004 KB |
Output is correct |
| 59 |
Correct |
13 ms |
5084 KB |
Output is correct |
| 60 |
Correct |
14 ms |
5172 KB |
Output is correct |
| 61 |
Correct |
11 ms |
4944 KB |
Output is correct |
| 62 |
Correct |
5 ms |
4944 KB |
Output is correct |
| 63 |
Correct |
12 ms |
4992 KB |
Output is correct |
| 64 |
Correct |
6 ms |
5016 KB |
Output is correct |
| 65 |
Correct |
12 ms |
4944 KB |
Output is correct |
| 66 |
Correct |
11 ms |
4996 KB |
Output is correct |
| 67 |
Correct |
10 ms |
4944 KB |
Output is correct |
| 68 |
Correct |
6 ms |
4944 KB |
Output is correct |
| 69 |
Correct |
16 ms |
5008 KB |
Output is correct |
| 70 |
Correct |
7 ms |
5024 KB |
Output is correct |
| 71 |
Partially correct |
36 ms |
5016 KB |
Partially correct - number of queries: 5388 |
| 72 |
Correct |
14 ms |
5016 KB |
Output is correct |
| 73 |
Partially correct |
49 ms |
5048 KB |
Partially correct - number of queries: 5325 |
| 74 |
Partially correct |
32 ms |
5096 KB |
Partially correct - number of queries: 5352 |
| 75 |
Correct |
10 ms |
5028 KB |
Output is correct |
| 76 |
Correct |
39 ms |
5016 KB |
Output is correct |
| 77 |
Partially correct |
37 ms |
5128 KB |
Partially correct - number of queries: 5487 |
| 78 |
Correct |
14 ms |
5008 KB |
Output is correct |
| 79 |
Correct |
17 ms |
5064 KB |
Output is correct |
| 80 |
Partially correct |
49 ms |
5024 KB |
Partially correct - number of queries: 5487 |
| 81 |
Partially correct |
46 ms |
5036 KB |
Partially correct - number of queries: 5491 |
| 82 |
Partially correct |
33 ms |
5140 KB |
Partially correct - number of queries: 5440 |
| 83 |
Correct |
13 ms |
5016 KB |
Output is correct |
| 84 |
Correct |
37 ms |
5012 KB |
Output is correct |
| 85 |
Partially correct |
49 ms |
5064 KB |
Partially correct - number of queries: 5457 |
| 86 |
Correct |
11 ms |
4944 KB |
Output is correct |
| 87 |
Correct |
12 ms |
5016 KB |
Output is correct |
| 88 |
Correct |
11 ms |
4944 KB |
Output is correct |
| 89 |
Correct |
11 ms |
5000 KB |
Output is correct |
| 90 |
Correct |
9 ms |
4944 KB |
Output is correct |
| 91 |
Correct |
11 ms |
4944 KB |
Output is correct |
| 92 |
Correct |
12 ms |
5020 KB |
Output is correct |
| 93 |
Correct |
14 ms |
5016 KB |
Output is correct |
| 94 |
Correct |
11 ms |
4944 KB |
Output is correct |
| 95 |
Correct |
7 ms |
5044 KB |
Output is correct |
| 96 |
Correct |
14 ms |
5032 KB |
Output is correct |
| 97 |
Correct |
12 ms |
5016 KB |
Output is correct |
