#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
int p1[1 << 18];
int p2[1 << 18];
int maxn = 0;
vector<int> V;
vector<int> W;
int Rand() {
return (rand() % 32768) * 32768 + (rand() % 32768);
}
pair<int, int> query(int pos) {
if (p1[pos] >= 0) return make_pair(p1[pos], p2[pos]);
vector<int> vec = ask(pos);
p1[pos] = vec[0];
p2[pos] = vec[1];
return make_pair(p1[pos], p2[pos]);
}
void dfs(int cl, int cr, int c1, int c2) {
//cout << cl << " " << cr << " " << c1 << " " << c2 << endl;
if (cl == cr) { W.push_back(V[cl]); return; }
int cm = (cl + cr) / 2;
int el = -1, e1 = 0;
int er = -1, e2 = 0;
for (int i = cm; i >= cl; i--) {
pair<int, int> T = query(V[i]);
if (T.first + T.second == maxn) { el = i; e1 = T.first; break; }
else { W.push_back(V[i]); }
}
for (int i = cm; i <= cr; i++) {
pair<int, int> T = query(V[i]);
if (T.first + T.second == maxn) { er = i; e2 = T.first; break; }
else { W.push_back(V[i]); }
}
if (el >= 0 && c1 != e1 && cl <= el + 1) dfs(cl, el - 1, c1, e1);
if (er >= 0 && c2 != e2 && er + 1 <= cr) dfs(er + 1, cr, e2, c2);
}
vector<int> solve() {
//for (int i = 0; i < V.size(); i++) cout << V[i] << " " ; cout << endl;
maxn = 0; W.clear();
for (int i = 0; i < 100; i++) {
int T = Rand() % V.size();
pair<int, int> T2 = query(V[T]);
maxn = max(maxn, T2.first + T2.second);
}
//cout << maxn << endl;
dfs(0, V.size() - 1, 0, maxn);
return W;
}
int find_best(int n) {
V.clear();
W.clear();
for (int i = 0; i < n; i++) p1[i] = -1;
for (int i = 0; i < n; i++) p2[i] = -1;
for (int i = 0; i < n; i++) V.push_back(i);
while (V.size() >= 2) {
vector<int> V2 = solve();
sort(V2.begin(), V2.end());
V2.erase(unique(V2.begin(), V2.end()), V2.end());
V = V2;
}
return V[0];
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
3064 KB |
Output is correct |
| 2 |
Correct |
5 ms |
3064 KB |
Output is correct |
| 3 |
Correct |
4 ms |
3064 KB |
Output is correct |
| 4 |
Correct |
4 ms |
3192 KB |
Output is correct |
| 5 |
Correct |
4 ms |
3192 KB |
Output is correct |
| 6 |
Correct |
4 ms |
3064 KB |
Output is correct |
| 7 |
Correct |
4 ms |
3064 KB |
Output is correct |
| 8 |
Correct |
4 ms |
3064 KB |
Output is correct |
| 9 |
Correct |
4 ms |
3064 KB |
Output is correct |
| 10 |
Correct |
4 ms |
3064 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
3064 KB |
Output is correct |
| 2 |
Correct |
4 ms |
3064 KB |
Output is correct |
| 3 |
Correct |
4 ms |
3064 KB |
Output is correct |
| 4 |
Correct |
4 ms |
3064 KB |
Output is correct |
| 5 |
Correct |
5 ms |
3064 KB |
Output is correct |
| 6 |
Correct |
4 ms |
3192 KB |
Output is correct |
| 7 |
Correct |
4 ms |
3096 KB |
Output is correct |
| 8 |
Correct |
5 ms |
3064 KB |
Output is correct |
| 9 |
Correct |
4 ms |
3064 KB |
Output is correct |
| 10 |
Correct |
5 ms |
3096 KB |
Output is correct |
| 11 |
Correct |
9 ms |
3064 KB |
Output is correct |
| 12 |
Correct |
9 ms |
3064 KB |
Output is correct |
| 13 |
Correct |
9 ms |
3064 KB |
Output is correct |
| 14 |
Correct |
15 ms |
768 KB |
Output is correct |
| 15 |
Correct |
40 ms |
3064 KB |
Output is correct |
| 16 |
Correct |
45 ms |
3064 KB |
Output is correct |
| 17 |
Correct |
41 ms |
3064 KB |
Output is correct |
| 18 |
Correct |
41 ms |
3064 KB |
Output is correct |
| 19 |
Correct |
42 ms |
3064 KB |
Output is correct |
| 20 |
Correct |
29 ms |
1788 KB |
Output is correct |
| 21 |
Correct |
50 ms |
3064 KB |
Output is correct |
| 22 |
Correct |
32 ms |
3064 KB |
Output is correct |
| 23 |
Correct |
6 ms |
3064 KB |
Output is correct |
| 24 |
Correct |
8 ms |
3064 KB |
Output is correct |
| 25 |
Correct |
38 ms |
3064 KB |
Output is correct |
| 26 |
Correct |
45 ms |
3064 KB |
Output is correct |
| 27 |
Correct |
5 ms |
3064 KB |
Output is correct |
| 28 |
Correct |
41 ms |
3064 KB |
Output is correct |
| 29 |
Correct |
37 ms |
3064 KB |
Output is correct |
| 30 |
Correct |
40 ms |
3064 KB |
Output is correct |
| 31 |
Correct |
43 ms |
3064 KB |
Output is correct |
| 32 |
Correct |
9 ms |
3064 KB |
Output is correct |
| 33 |
Correct |
1 ms |
384 KB |
Output is correct |
| 34 |
Correct |
62 ms |
3064 KB |
Output is correct |
| 35 |
Correct |
6 ms |
3064 KB |
Output is correct |
| 36 |
Correct |
46 ms |
3064 KB |
Output is correct |
| 37 |
Correct |
9 ms |
3064 KB |
Output is correct |
| 38 |
Correct |
6 ms |
3064 KB |
Output is correct |
| 39 |
Correct |
62 ms |
3192 KB |
Output is correct |
| 40 |
Correct |
56 ms |
3064 KB |
Output is correct |
| 41 |
Correct |
45 ms |
3064 KB |
Output is correct |
| 42 |
Correct |
27 ms |
3192 KB |
Output is correct |
| 43 |
Correct |
46 ms |
3064 KB |
Output is correct |
| 44 |
Correct |
59 ms |
3064 KB |
Output is correct |
| 45 |
Correct |
41 ms |
3064 KB |
Output is correct |
| 46 |
Correct |
45 ms |
3064 KB |
Output is correct |
| 47 |
Correct |
36 ms |
3064 KB |
Output is correct |
| 48 |
Correct |
61 ms |
3064 KB |
Output is correct |
| 49 |
Correct |
59 ms |
3064 KB |
Output is correct |
| 50 |
Correct |
44 ms |
3064 KB |
Output is correct |
| 51 |
Correct |
39 ms |
3064 KB |
Output is correct |
| 52 |
Correct |
43 ms |
3064 KB |
Output is correct |
| 53 |
Correct |
5 ms |
3192 KB |
Output is correct |
| 54 |
Correct |
52 ms |
3064 KB |
Output is correct |
| 55 |
Correct |
49 ms |
3064 KB |
Output is correct |
| 56 |
Correct |
28 ms |
3096 KB |
Output is correct |
| 57 |
Correct |
53 ms |
3064 KB |
Output is correct |
| 58 |
Correct |
56 ms |
3064 KB |
Output is correct |
| 59 |
Correct |
49 ms |
3064 KB |
Output is correct |
| 60 |
Correct |
44 ms |
3064 KB |
Output is correct |
| 61 |
Correct |
5 ms |
3064 KB |
Output is correct |
| 62 |
Correct |
5 ms |
3064 KB |
Output is correct |
| 63 |
Correct |
5 ms |
3192 KB |
Output is correct |
| 64 |
Correct |
5 ms |
3064 KB |
Output is correct |
| 65 |
Correct |
4 ms |
3064 KB |
Output is correct |
| 66 |
Correct |
9 ms |
3064 KB |
Output is correct |
| 67 |
Correct |
9 ms |
3064 KB |
Output is correct |
| 68 |
Correct |
9 ms |
3064 KB |
Output is correct |
| 69 |
Correct |
10 ms |
3064 KB |
Output is correct |
| 70 |
Correct |
8 ms |
3064 KB |
Output is correct |
| 71 |
Correct |
45 ms |
3064 KB |
Output is correct |
| 72 |
Correct |
9 ms |
3064 KB |
Output is correct |
| 73 |
Correct |
46 ms |
3064 KB |
Output is correct |
| 74 |
Correct |
37 ms |
3064 KB |
Output is correct |
| 75 |
Correct |
6 ms |
3064 KB |
Output is correct |
| 76 |
Correct |
43 ms |
3192 KB |
Output is correct |
| 77 |
Correct |
58 ms |
3064 KB |
Output is correct |
| 78 |
Correct |
8 ms |
3064 KB |
Output is correct |
| 79 |
Correct |
25 ms |
3064 KB |
Output is correct |
| 80 |
Correct |
44 ms |
3064 KB |
Output is correct |
| 81 |
Correct |
44 ms |
3064 KB |
Output is correct |
| 82 |
Correct |
44 ms |
3064 KB |
Output is correct |
| 83 |
Correct |
5 ms |
3064 KB |
Output is correct |
| 84 |
Correct |
36 ms |
3064 KB |
Output is correct |
| 85 |
Correct |
47 ms |
3064 KB |
Output is correct |
| 86 |
Correct |
20 ms |
3064 KB |
Output is correct |
| 87 |
Correct |
10 ms |
3064 KB |
Output is correct |
| 88 |
Correct |
12 ms |
3064 KB |
Output is correct |
| 89 |
Correct |
17 ms |
3064 KB |
Output is correct |
| 90 |
Correct |
6 ms |
3064 KB |
Output is correct |
| 91 |
Correct |
17 ms |
3064 KB |
Output is correct |
| 92 |
Correct |
17 ms |
3064 KB |
Output is correct |
| 93 |
Correct |
6 ms |
3064 KB |
Output is correct |
| 94 |
Correct |
6 ms |
3064 KB |
Output is correct |
| 95 |
Correct |
5 ms |
3064 KB |
Output is correct |
| 96 |
Correct |
6 ms |
3064 KB |
Output is correct |
| 97 |
Correct |
5 ms |
3064 KB |
Output is correct |
