#include "prize.h"
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
using namespace std;
using i64 = long long;
using d64 = long double;
using pi = pair<int, int>;
using pli = pair<i64, i64>;
using ti = tuple<int, int, int>;
using tli = tuple<i64, i64, i64>;
#define iterall(cont) cont.begin(), cont.end()
#define prec(n) setprecision(n) << fixed
vector<vector<int>> cache;
vector<int> neoask(int i) {
if (cache[i].empty()) return cache[i] = ask(i);
return cache[i];
}
int minDeter = 0;
void solve(int s, int e, vector<bool> &mask) {
if (s > e) return;
auto vs = neoask(s);
if (vs[0] + vs[1] != minDeter) {
mask[s] = true;
solve(s + 1, e, mask);
return;
}
auto ve = neoask(e);
if (ve[0] + ve[1] != minDeter) {
mask[e] = true;
solve(s, e - 1, mask);
return;
}
if (e - s <= 1) return;
if (vs[0] == ve[0]) return;
int m = (s + e) >> 1;
auto vm = neoask(m);
if (vm[0] + vm[1] != minDeter) mask[m] = true;
solve(s, m, mask);
solve(m, e, mask);
}
int find_best(int n) {
if (n <= 5000) {
for (int i = 0; i < n; i++) {
auto v = ask(i);
if (v[0] + v[1] == 0) return i;
}
}
vector<bool> mask(n);
cache.resize(n);
// 473번 해보기
random_device rd;
mt19937 gen(rd());
vector<int> shu;
for (int i = 0; i < n; i++) shu.emplace_back(i);
shuffle(iterall(shu), gen);
for (int j = 0; j < 473; j++) {
int i = shu[j];
cache[i] = ask(i);
minDeter = max(minDeter, cache[i][0] + cache[i][1]);
}
solve(0, n - 1, mask);
for (int i = 0; i < n; i++) {
if (!mask[i]) continue;
auto v = neoask(i);
if (v[0] + v[1] == 0) return i;
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
16 ms |
6256 KB |
Output is correct |
| 2 |
Correct |
18 ms |
6160 KB |
Output is correct |
| 3 |
Correct |
16 ms |
6256 KB |
Output is correct |
| 4 |
Correct |
15 ms |
6240 KB |
Output is correct |
| 5 |
Correct |
16 ms |
6168 KB |
Output is correct |
| 6 |
Correct |
16 ms |
6240 KB |
Output is correct |
| 7 |
Correct |
18 ms |
6264 KB |
Output is correct |
| 8 |
Correct |
18 ms |
6236 KB |
Output is correct |
| 9 |
Correct |
16 ms |
6256 KB |
Output is correct |
| 10 |
Correct |
19 ms |
6264 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
18 ms |
6256 KB |
Output is correct |
| 2 |
Correct |
16 ms |
6168 KB |
Output is correct |
| 3 |
Correct |
15 ms |
6264 KB |
Output is correct |
| 4 |
Correct |
18 ms |
6236 KB |
Output is correct |
| 5 |
Correct |
16 ms |
6264 KB |
Output is correct |
| 6 |
Correct |
15 ms |
6256 KB |
Output is correct |
| 7 |
Correct |
18 ms |
6264 KB |
Output is correct |
| 8 |
Correct |
16 ms |
6244 KB |
Output is correct |
| 9 |
Correct |
14 ms |
6240 KB |
Output is correct |
| 10 |
Correct |
16 ms |
6264 KB |
Output is correct |
| 11 |
Correct |
18 ms |
6256 KB |
Output is correct |
| 12 |
Correct |
21 ms |
6264 KB |
Output is correct |
| 13 |
Correct |
21 ms |
6264 KB |
Output is correct |
| 14 |
Correct |
11 ms |
1024 KB |
Output is correct |
| 15 |
Correct |
67 ms |
6264 KB |
Output is correct |
| 16 |
Partially correct |
66 ms |
6240 KB |
Partially correct - number of queries: 5116 |
| 17 |
Partially correct |
52 ms |
6240 KB |
Partially correct - number of queries: 5084 |
| 18 |
Partially correct |
61 ms |
6264 KB |
Partially correct - number of queries: 5087 |
| 19 |
Correct |
77 ms |
6256 KB |
Output is correct |
| 20 |
Correct |
26 ms |
3324 KB |
Output is correct |
| 21 |
Partially correct |
60 ms |
6264 KB |
Partially correct - number of queries: 5076 |
| 22 |
Correct |
53 ms |
6236 KB |
Output is correct |
| 23 |
Correct |
16 ms |
6240 KB |
Output is correct |
| 24 |
Correct |
18 ms |
6264 KB |
Output is correct |
| 25 |
Correct |
38 ms |
6260 KB |
Output is correct |
| 26 |
Correct |
60 ms |
6256 KB |
Output is correct |
| 27 |
Correct |
18 ms |
6240 KB |
Output is correct |
| 28 |
Correct |
49 ms |
6160 KB |
Output is correct |
| 29 |
Correct |
57 ms |
6236 KB |
Output is correct |
| 30 |
Partially correct |
56 ms |
6240 KB |
Partially correct - number of queries: 5062 |
| 31 |
Partially correct |
88 ms |
6264 KB |
Partially correct - number of queries: 5048 |
| 32 |
Correct |
25 ms |
6240 KB |
Output is correct |
| 33 |
Correct |
0 ms |
256 KB |
Output is correct |
| 34 |
Partially correct |
40 ms |
6236 KB |
Partially correct - number of queries: 5094 |
| 35 |
Correct |
24 ms |
6264 KB |
Output is correct |
| 36 |
Partially correct |
75 ms |
6264 KB |
Partially correct - number of queries: 5019 |
| 37 |
Correct |
21 ms |
6236 KB |
Output is correct |
| 38 |
Correct |
18 ms |
6236 KB |
Output is correct |
| 39 |
Partially correct |
60 ms |
6264 KB |
Partially correct - number of queries: 5032 |
| 40 |
Correct |
46 ms |
6128 KB |
Output is correct |
| 41 |
Partially correct |
46 ms |
6256 KB |
Partially correct - number of queries: 5078 |
| 42 |
Partially correct |
59 ms |
6264 KB |
Partially correct - number of queries: 5077 |
| 43 |
Correct |
62 ms |
6256 KB |
Output is correct |
| 44 |
Partially correct |
64 ms |
6240 KB |
Partially correct - number of queries: 5091 |
| 45 |
Correct |
64 ms |
6136 KB |
Output is correct |
| 46 |
Partially correct |
57 ms |
6240 KB |
Partially correct - number of queries: 5084 |
| 47 |
Correct |
55 ms |
6256 KB |
Output is correct |
| 48 |
Partially correct |
66 ms |
6240 KB |
Partially correct - number of queries: 5071 |
| 49 |
Partially correct |
58 ms |
6244 KB |
Partially correct - number of queries: 5068 |
| 50 |
Partially correct |
69 ms |
6264 KB |
Partially correct - number of queries: 5092 |
| 51 |
Partially correct |
97 ms |
6256 KB |
Partially correct - number of queries: 5089 |
| 52 |
Partially correct |
59 ms |
6236 KB |
Partially correct - number of queries: 5100 |
| 53 |
Correct |
16 ms |
6256 KB |
Output is correct |
| 54 |
Partially correct |
86 ms |
6264 KB |
Partially correct - number of queries: 5069 |
| 55 |
Partially correct |
61 ms |
6236 KB |
Partially correct - number of queries: 5086 |
| 56 |
Partially correct |
64 ms |
6236 KB |
Partially correct - number of queries: 5069 |
| 57 |
Partially correct |
77 ms |
6264 KB |
Partially correct - number of queries: 5067 |
| 58 |
Partially correct |
62 ms |
6264 KB |
Partially correct - number of queries: 5072 |
| 59 |
Partially correct |
56 ms |
6256 KB |
Partially correct - number of queries: 5078 |
| 60 |
Partially correct |
60 ms |
6264 KB |
Partially correct - number of queries: 5026 |
| 61 |
Correct |
14 ms |
6252 KB |
Output is correct |
| 62 |
Correct |
23 ms |
6256 KB |
Output is correct |
| 63 |
Correct |
22 ms |
6240 KB |
Output is correct |
| 64 |
Correct |
15 ms |
6264 KB |
Output is correct |
| 65 |
Correct |
17 ms |
6256 KB |
Output is correct |
| 66 |
Correct |
31 ms |
6256 KB |
Output is correct |
| 67 |
Correct |
19 ms |
6248 KB |
Output is correct |
| 68 |
Correct |
24 ms |
6240 KB |
Output is correct |
| 69 |
Correct |
16 ms |
6256 KB |
Output is correct |
| 70 |
Correct |
19 ms |
6264 KB |
Output is correct |
| 71 |
Partially correct |
40 ms |
6264 KB |
Partially correct - number of queries: 5216 |
| 72 |
Correct |
17 ms |
6264 KB |
Output is correct |
| 73 |
Partially correct |
72 ms |
6264 KB |
Partially correct - number of queries: 5153 |
| 74 |
Partially correct |
55 ms |
6136 KB |
Partially correct - number of queries: 5176 |
| 75 |
Correct |
15 ms |
6264 KB |
Output is correct |
| 76 |
Correct |
58 ms |
6264 KB |
Output is correct |
| 77 |
Partially correct |
67 ms |
6264 KB |
Partially correct - number of queries: 5212 |
| 78 |
Correct |
21 ms |
6264 KB |
Output is correct |
| 79 |
Correct |
38 ms |
6264 KB |
Output is correct |
| 80 |
Partially correct |
57 ms |
6264 KB |
Partially correct - number of queries: 5195 |
| 81 |
Partially correct |
89 ms |
6264 KB |
Partially correct - number of queries: 5173 |
| 82 |
Partially correct |
72 ms |
6264 KB |
Partially correct - number of queries: 5191 |
| 83 |
Correct |
16 ms |
6264 KB |
Output is correct |
| 84 |
Correct |
48 ms |
6264 KB |
Output is correct |
| 85 |
Partially correct |
88 ms |
6264 KB |
Partially correct - number of queries: 5193 |
| 86 |
Correct |
64 ms |
6264 KB |
Output is correct |
| 87 |
Correct |
24 ms |
6264 KB |
Output is correct |
| 88 |
Correct |
65 ms |
6264 KB |
Output is correct |
| 89 |
Correct |
67 ms |
6264 KB |
Output is correct |
| 90 |
Correct |
20 ms |
6264 KB |
Output is correct |
| 91 |
Correct |
48 ms |
6136 KB |
Output is correct |
| 92 |
Correct |
50 ms |
6264 KB |
Output is correct |
| 93 |
Correct |
65 ms |
6264 KB |
Output is correct |
| 94 |
Correct |
42 ms |
6264 KB |
Output is correct |
| 95 |
Correct |
66 ms |
6264 KB |
Output is correct |
| 96 |
Correct |
56 ms |
6264 KB |
Output is correct |
| 97 |
Correct |
45 ms |
6264 KB |
Output is correct |
