#include<bits/stdc++.h>
#include "prize.h"
using namespace std;
vector<pair<int,int>>ans;
unordered_map<int,set<int>>mp;
int calc(int st,int dr)
{
if (st>dr)
return -1;
int mij=(st+dr)/2;
vector<int>aux=ask(mij);
ans[mij]=make_pair(aux[0],aux[1]);
int sum=ans[mij].first+ans[mij].second;
if (sum==0)
return mij;
auto it=mp[sum].insert(mij).first;
if (it==mp[sum].begin() || ans[*prev(it)].first!=ans[mij].first){
int auxi=calc(st,mij-1);
if (auxi!=-1)
return auxi;
}
if (it==--mp[sum].end() || ans[*next(it)].second!=ans[mij].second){
int auxi=calc(mij+1,dr);
if (auxi!=-1)
return auxi;
}
return -1;
}
int find_best(int n)
{
ans.resize(n);
return calc(0,n-1);
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 2 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 3 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 4 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 5 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 6 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 7 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 8 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 9 |
Correct |
1 ms |
1900 KB |
Output is correct |
| 10 |
Correct |
2 ms |
1900 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 2 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 3 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 4 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 5 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 6 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 7 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 8 |
Correct |
2 ms |
2028 KB |
Output is correct |
| 9 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 10 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 11 |
Correct |
4 ms |
1900 KB |
Output is correct |
| 12 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 13 |
Correct |
6 ms |
1900 KB |
Output is correct |
| 14 |
Correct |
2 ms |
492 KB |
Output is correct |
| 15 |
Correct |
7 ms |
1900 KB |
Output is correct |
| 16 |
Correct |
45 ms |
2028 KB |
Output is correct |
| 17 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 18 |
Correct |
28 ms |
2296 KB |
Output is correct |
| 19 |
Correct |
2 ms |
2028 KB |
Output is correct |
| 20 |
Correct |
11 ms |
1132 KB |
Output is correct |
| 21 |
Correct |
12 ms |
2148 KB |
Output is correct |
| 22 |
Correct |
5 ms |
1900 KB |
Output is correct |
| 23 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 24 |
Correct |
2 ms |
2028 KB |
Output is correct |
| 25 |
Correct |
23 ms |
2028 KB |
Output is correct |
| 26 |
Correct |
27 ms |
2028 KB |
Output is correct |
| 27 |
Correct |
2 ms |
2080 KB |
Output is correct |
| 28 |
Correct |
24 ms |
2112 KB |
Output is correct |
| 29 |
Correct |
31 ms |
2028 KB |
Output is correct |
| 30 |
Correct |
52 ms |
2240 KB |
Output is correct |
| 31 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 32 |
Correct |
5 ms |
1900 KB |
Output is correct |
| 33 |
Correct |
1 ms |
364 KB |
Output is correct |
| 34 |
Correct |
16 ms |
1900 KB |
Output is correct |
| 35 |
Correct |
4 ms |
1900 KB |
Output is correct |
| 36 |
Correct |
7 ms |
2104 KB |
Output is correct |
| 37 |
Correct |
3 ms |
1900 KB |
Output is correct |
| 38 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 39 |
Correct |
21 ms |
2028 KB |
Output is correct |
| 40 |
Correct |
38 ms |
2156 KB |
Output is correct |
| 41 |
Correct |
16 ms |
2196 KB |
Output is correct |
| 42 |
Correct |
27 ms |
2028 KB |
Output is correct |
| 43 |
Correct |
26 ms |
2028 KB |
Output is correct |
| 44 |
Correct |
19 ms |
1900 KB |
Output is correct |
| 45 |
Correct |
15 ms |
1900 KB |
Output is correct |
| 46 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 47 |
Correct |
23 ms |
2028 KB |
Output is correct |
| 48 |
Correct |
28 ms |
2156 KB |
Output is correct |
| 49 |
Correct |
5 ms |
1900 KB |
Output is correct |
| 50 |
Correct |
51 ms |
2156 KB |
Output is correct |
| 51 |
Correct |
23 ms |
2028 KB |
Output is correct |
| 52 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 53 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 54 |
Correct |
23 ms |
2028 KB |
Output is correct |
| 55 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 56 |
Correct |
34 ms |
2140 KB |
Output is correct |
| 57 |
Correct |
28 ms |
2028 KB |
Output is correct |
| 58 |
Correct |
32 ms |
2220 KB |
Output is correct |
| 59 |
Correct |
23 ms |
2304 KB |
Output is correct |
| 60 |
Correct |
16 ms |
2044 KB |
Output is correct |
| 61 |
Correct |
3 ms |
1900 KB |
Output is correct |
| 62 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 63 |
Correct |
3 ms |
1900 KB |
Output is correct |
| 64 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 65 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 66 |
Correct |
2 ms |
2080 KB |
Output is correct |
| 67 |
Correct |
2 ms |
1944 KB |
Output is correct |
| 68 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 69 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 70 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 71 |
Correct |
28 ms |
2292 KB |
Output is correct |
| 72 |
Correct |
5 ms |
1900 KB |
Output is correct |
| 73 |
Correct |
45 ms |
2284 KB |
Output is correct |
| 74 |
Correct |
55 ms |
2156 KB |
Output is correct |
| 75 |
Correct |
3 ms |
2080 KB |
Output is correct |
| 76 |
Correct |
41 ms |
2028 KB |
Output is correct |
| 77 |
Correct |
45 ms |
2156 KB |
Output is correct |
| 78 |
Correct |
5 ms |
1900 KB |
Output is correct |
| 79 |
Correct |
24 ms |
2028 KB |
Output is correct |
| 80 |
Correct |
42 ms |
2284 KB |
Output is correct |
| 81 |
Correct |
30 ms |
2208 KB |
Output is correct |
| 82 |
Correct |
44 ms |
2156 KB |
Output is correct |
| 83 |
Correct |
4 ms |
1900 KB |
Output is correct |
| 84 |
Correct |
41 ms |
2052 KB |
Output is correct |
| 85 |
Correct |
42 ms |
2156 KB |
Output is correct |
| 86 |
Correct |
7 ms |
1900 KB |
Output is correct |
| 87 |
Correct |
5 ms |
2028 KB |
Output is correct |
| 88 |
Correct |
7 ms |
1900 KB |
Output is correct |
| 89 |
Correct |
7 ms |
1900 KB |
Output is correct |
| 90 |
Correct |
3 ms |
1900 KB |
Output is correct |
| 91 |
Correct |
5 ms |
1900 KB |
Output is correct |
| 92 |
Correct |
2 ms |
1900 KB |
Output is correct |
| 93 |
Correct |
6 ms |
1900 KB |
Output is correct |
| 94 |
Correct |
6 ms |
1900 KB |
Output is correct |
| 95 |
Correct |
6 ms |
1900 KB |
Output is correct |
| 96 |
Correct |
5 ms |
1900 KB |
Output is correct |
| 97 |
Correct |
2 ms |
1900 KB |
Output is correct |
