#include "prize.h"
#include <iostream>
#include <vector>
#include <algorithm>
#include <queue>
#include <cmath>
#include <cassert>
#include <random>
using namespace std;
#define rep(i,n)for (int i=0; i<(n); i++)
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define _1 first
#define _2 second
#define INF 1145141919
typedef pair<int, int> P;
int mp = 0;
P cache[200000];
int Q=0;
P query(int x) {
if (cache[x] != P(-1, -1)) return cache[x];
Q++;
assert(Q<=10000);
vector<int> ret = ask(x);
return cache[x] = {ret[0], ret[1]};
}
int solve(int l, int r, int num, int left) {
assert(num >= 0 && left >= 0);
if (num == 0) return -1;
//cout<<"solve("<<l<<","<<r<<", num="<<num<<")\n";
int mm = (l+r)/2;
vector<P> list;
for (int mid=mm; mid>=l; mid--) list.pb(P(mm-mid, mid));
for (int mid=mm+1; mid<=r; mid++) list.pb(P(mid-mm, mid));
sort(all(list));
for (P p : list) {
int mid = p._2;
P ret = query(mid);
if (ret._1+ret._2 == 0) return mid;
if (ret._1+ret._2 != mp) continue;
if (mid > l) {
int o = solve(l, mid-1, ret._1-left, left);
if (o != -1) return o;
}
if (mid < r) {
int o = solve(mid+1, r, num-(ret._1-left), ret._1);
if (o != -1) return o;
}
return -1;
}
return -1;
}
int find_best(int N) {
rep(i, N) cache[i] = P(-1, -1);
if (N <= 5000) {
rep(i, N) {
P ret = query(i);
if (ret._1+ret._2 == 0) return i;
}
abort();
}
rep(i, 472) {
P ret = query(i);
mp = max(mp, ret._1+ret._2);
}
int r = solve(0, N-1, mp, 0);
assert(r != -1);
return r;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
82 ms |
5220 KB |
Output is correct |
| 2 |
Correct |
62 ms |
5220 KB |
Output is correct |
| 3 |
Correct |
64 ms |
5292 KB |
Output is correct |
| 4 |
Correct |
66 ms |
5448 KB |
Output is correct |
| 5 |
Correct |
61 ms |
5448 KB |
Output is correct |
| 6 |
Correct |
67 ms |
5448 KB |
Output is correct |
| 7 |
Correct |
67 ms |
5448 KB |
Output is correct |
| 8 |
Correct |
72 ms |
5448 KB |
Output is correct |
| 9 |
Correct |
35 ms |
5448 KB |
Output is correct |
| 10 |
Correct |
76 ms |
5484 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
66 ms |
5484 KB |
Output is correct |
| 2 |
Correct |
72 ms |
5484 KB |
Output is correct |
| 3 |
Correct |
66 ms |
5484 KB |
Output is correct |
| 4 |
Correct |
62 ms |
5484 KB |
Output is correct |
| 5 |
Correct |
67 ms |
5484 KB |
Output is correct |
| 6 |
Correct |
65 ms |
5492 KB |
Output is correct |
| 7 |
Correct |
63 ms |
5492 KB |
Output is correct |
| 8 |
Correct |
61 ms |
5492 KB |
Output is correct |
| 9 |
Correct |
35 ms |
5492 KB |
Output is correct |
| 10 |
Correct |
64 ms |
5492 KB |
Output is correct |
| 11 |
Correct |
103 ms |
5492 KB |
Output is correct |
| 12 |
Correct |
70 ms |
5492 KB |
Output is correct |
| 13 |
Correct |
200 ms |
5544 KB |
Output is correct |
| 14 |
Correct |
12 ms |
5544 KB |
Output is correct |
| 15 |
Correct |
93 ms |
5544 KB |
Output is correct |
| 16 |
Correct |
265 ms |
5544 KB |
Output is correct |
| 17 |
Correct |
70 ms |
5544 KB |
Output is correct |
| 18 |
Partially correct |
352 ms |
5544 KB |
Partially correct - number of queries: 5226 |
| 19 |
Correct |
61 ms |
5544 KB |
Output is correct |
| 20 |
Correct |
81 ms |
5544 KB |
Output is correct |
| 21 |
Correct |
120 ms |
5544 KB |
Output is correct |
| 22 |
Correct |
75 ms |
5544 KB |
Output is correct |
| 23 |
Correct |
59 ms |
5544 KB |
Output is correct |
| 24 |
Correct |
66 ms |
5544 KB |
Output is correct |
| 25 |
Correct |
184 ms |
5544 KB |
Output is correct |
| 26 |
Correct |
176 ms |
5544 KB |
Output is correct |
| 27 |
Correct |
92 ms |
5544 KB |
Output is correct |
| 28 |
Correct |
234 ms |
5544 KB |
Output is correct |
| 29 |
Correct |
230 ms |
5544 KB |
Output is correct |
| 30 |
Partially correct |
292 ms |
5544 KB |
Partially correct - number of queries: 5194 |
| 31 |
Correct |
63 ms |
5544 KB |
Output is correct |
| 32 |
Correct |
151 ms |
5544 KB |
Output is correct |
| 33 |
Correct |
2 ms |
5544 KB |
Output is correct |
| 34 |
Correct |
128 ms |
5544 KB |
Output is correct |
| 35 |
Correct |
119 ms |
5544 KB |
Output is correct |
| 36 |
Correct |
95 ms |
5544 KB |
Output is correct |
| 37 |
Correct |
75 ms |
5544 KB |
Output is correct |
| 38 |
Correct |
63 ms |
5544 KB |
Output is correct |
| 39 |
Correct |
162 ms |
5544 KB |
Output is correct |
| 40 |
Correct |
248 ms |
5544 KB |
Output is correct |
| 41 |
Correct |
254 ms |
5544 KB |
Output is correct |
| 42 |
Correct |
228 ms |
5544 KB |
Output is correct |
| 43 |
Correct |
188 ms |
5544 KB |
Output is correct |
| 44 |
Correct |
141 ms |
5544 KB |
Output is correct |
| 45 |
Correct |
117 ms |
5544 KB |
Output is correct |
| 46 |
Correct |
64 ms |
5544 KB |
Output is correct |
| 47 |
Correct |
134 ms |
5544 KB |
Output is correct |
| 48 |
Correct |
200 ms |
5544 KB |
Output is correct |
| 49 |
Correct |
78 ms |
5544 KB |
Output is correct |
| 50 |
Partially correct |
327 ms |
5544 KB |
Partially correct - number of queries: 5232 |
| 51 |
Correct |
158 ms |
5544 KB |
Output is correct |
| 52 |
Correct |
75 ms |
5544 KB |
Output is correct |
| 53 |
Correct |
164 ms |
5544 KB |
Output is correct |
| 54 |
Correct |
176 ms |
5544 KB |
Output is correct |
| 55 |
Correct |
76 ms |
5544 KB |
Output is correct |
| 56 |
Partially correct |
315 ms |
5544 KB |
Partially correct - number of queries: 5232 |
| 57 |
Correct |
253 ms |
5556 KB |
Output is correct |
| 58 |
Correct |
241 ms |
5560 KB |
Output is correct |
| 59 |
Correct |
231 ms |
5560 KB |
Output is correct |
| 60 |
Correct |
232 ms |
5560 KB |
Output is correct |
| 61 |
Correct |
209 ms |
5560 KB |
Output is correct |
| 62 |
Correct |
68 ms |
5560 KB |
Output is correct |
| 63 |
Correct |
151 ms |
5560 KB |
Output is correct |
| 64 |
Correct |
114 ms |
5560 KB |
Output is correct |
| 65 |
Correct |
85 ms |
5560 KB |
Output is correct |
| 66 |
Correct |
67 ms |
5560 KB |
Output is correct |
| 67 |
Correct |
62 ms |
5560 KB |
Output is correct |
| 68 |
Correct |
61 ms |
5560 KB |
Output is correct |
| 69 |
Correct |
64 ms |
5560 KB |
Output is correct |
| 70 |
Correct |
66 ms |
5560 KB |
Output is correct |
| 71 |
Partially correct |
324 ms |
5560 KB |
Partially correct - number of queries: 5230 |
| 72 |
Correct |
187 ms |
5560 KB |
Output is correct |
| 73 |
Partially correct |
274 ms |
5560 KB |
Partially correct - number of queries: 5167 |
| 74 |
Partially correct |
293 ms |
5560 KB |
Partially correct - number of queries: 5194 |
| 75 |
Correct |
143 ms |
5560 KB |
Output is correct |
| 76 |
Correct |
276 ms |
5560 KB |
Output is correct |
| 77 |
Partially correct |
266 ms |
5560 KB |
Partially correct - number of queries: 5355 |
| 78 |
Correct |
210 ms |
5560 KB |
Output is correct |
| 79 |
Correct |
261 ms |
5560 KB |
Output is correct |
| 80 |
Partially correct |
315 ms |
5560 KB |
Partially correct - number of queries: 5336 |
| 81 |
Partially correct |
294 ms |
5560 KB |
Partially correct - number of queries: 5349 |
| 82 |
Partially correct |
278 ms |
5560 KB |
Partially correct - number of queries: 5297 |
| 83 |
Correct |
153 ms |
5560 KB |
Output is correct |
| 84 |
Correct |
333 ms |
5560 KB |
Output is correct |
| 85 |
Partially correct |
343 ms |
5560 KB |
Partially correct - number of queries: 5318 |
| 86 |
Correct |
83 ms |
5560 KB |
Output is correct |
| 87 |
Correct |
99 ms |
5560 KB |
Output is correct |
| 88 |
Correct |
84 ms |
5560 KB |
Output is correct |
| 89 |
Correct |
102 ms |
5560 KB |
Output is correct |
| 90 |
Correct |
83 ms |
5560 KB |
Output is correct |
| 91 |
Correct |
95 ms |
5568 KB |
Output is correct |
| 92 |
Correct |
94 ms |
5568 KB |
Output is correct |
| 93 |
Correct |
163 ms |
5568 KB |
Output is correct |
| 94 |
Correct |
169 ms |
5568 KB |
Output is correct |
| 95 |
Correct |
182 ms |
5568 KB |
Output is correct |
| 96 |
Correct |
193 ms |
5568 KB |
Output is correct |
| 97 |
Correct |
88 ms |
5568 KB |
Output is correct |
