#include "prize.h"
#include<bits/stdc++.h>
#define F first
#define S second
using namespace std;
pair<int,int>p,p1;
vector<int>v,v1;
int A[200005];
int ANS[200005];
int ANS1[200005];
int ans=-1;
void go(int L,int R)
{
if(ans>=0)return ;
if(L>R)return;
if(L==R)
{
v.clear();
if(ANS[L]>=0)
v.push_back(ANS[L]),v.push_back(ANS1[L]);
else
v=ask(L),ANS[L]=v[0],ANS1[L]=v[1];
A[v[0]]=min(A[v[0]],L);
if(v[0]+v[1]==0)
{
ans=L;
return;
}
return;
}
else
{
v1.clear();
if(ANS[R]>=0)
v1.push_back(ANS[R]),v1.push_back(ANS1[R]);
else
v1=ask(R),ANS[R]=v1[0],ANS1[R]=v1[1];
A[v1[0]]=min(A[v1[0]],R);
if(v1[0]+v1[1]==0)
{
ans=R;
return;
}
v.clear();
if(ANS[L]>=0)
v.push_back(ANS[L]),v.push_back(ANS1[L]);
else
v=ask(L),ANS[L]=v[0],ANS1[L]=v[1];
A[v[0]]=min(A[v[0]],L);
if(v[0]+v[1]==0)
{
ans=L;
return;
}
if(v[0]==v1[0] || v[1]==v1[1])return;
int mid=(L+R)/2;
if(ans==-1)
go(L,mid);
if(ans==-1)
go(mid+1,R);
}
}
int find_best(int n) {
for(int i=0;i<n;i++)
ANS[i]=ANS1[i]=-1;
if(n==1)
return 0;
for(int i=0;i<n;i++)
A[i]=1e9;
int mid=(n-1)/2;
go(0,mid);
if(ans==-1)
go(mid+1,n-1);
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
2552 KB |
Output is correct |
| 2 |
Correct |
4 ms |
2756 KB |
Output is correct |
| 3 |
Correct |
4 ms |
2932 KB |
Output is correct |
| 4 |
Correct |
4 ms |
2932 KB |
Output is correct |
| 5 |
Correct |
4 ms |
2932 KB |
Output is correct |
| 6 |
Correct |
4 ms |
2932 KB |
Output is correct |
| 7 |
Correct |
4 ms |
2932 KB |
Output is correct |
| 8 |
Correct |
4 ms |
2932 KB |
Output is correct |
| 9 |
Correct |
4 ms |
2932 KB |
Output is correct |
| 10 |
Correct |
4 ms |
2932 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
2932 KB |
Output is correct |
| 2 |
Correct |
5 ms |
2932 KB |
Output is correct |
| 3 |
Correct |
4 ms |
2932 KB |
Output is correct |
| 4 |
Correct |
4 ms |
2932 KB |
Output is correct |
| 5 |
Correct |
4 ms |
2976 KB |
Output is correct |
| 6 |
Correct |
4 ms |
2976 KB |
Output is correct |
| 7 |
Correct |
4 ms |
2976 KB |
Output is correct |
| 8 |
Correct |
4 ms |
2976 KB |
Output is correct |
| 9 |
Correct |
4 ms |
2976 KB |
Output is correct |
| 10 |
Correct |
4 ms |
2976 KB |
Output is correct |
| 11 |
Correct |
6 ms |
2976 KB |
Output is correct |
| 12 |
Correct |
4 ms |
2976 KB |
Output is correct |
| 13 |
Correct |
7 ms |
2976 KB |
Output is correct |
| 14 |
Correct |
4 ms |
2976 KB |
Output is correct |
| 15 |
Correct |
8 ms |
2976 KB |
Output is correct |
| 16 |
Partially correct |
30 ms |
2976 KB |
Partially correct - number of queries: 6730 |
| 17 |
Correct |
4 ms |
2976 KB |
Output is correct |
| 18 |
Partially correct |
59 ms |
2976 KB |
Partially correct - number of queries: 8129 |
| 19 |
Correct |
5 ms |
2976 KB |
Output is correct |
| 20 |
Correct |
15 ms |
2976 KB |
Output is correct |
| 21 |
Correct |
28 ms |
2976 KB |
Output is correct |
| 22 |
Correct |
7 ms |
2976 KB |
Output is correct |
| 23 |
Correct |
4 ms |
2976 KB |
Output is correct |
| 24 |
Correct |
4 ms |
2976 KB |
Output is correct |
| 25 |
Correct |
19 ms |
3004 KB |
Output is correct |
| 26 |
Correct |
30 ms |
3004 KB |
Output is correct |
| 27 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 28 |
Partially correct |
47 ms |
3004 KB |
Partially correct - number of queries: 6947 |
| 29 |
Partially correct |
25 ms |
3004 KB |
Partially correct - number of queries: 5414 |
| 30 |
Partially correct |
54 ms |
3004 KB |
Partially correct - number of queries: 8066 |
| 31 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 32 |
Correct |
7 ms |
3004 KB |
Output is correct |
| 33 |
Correct |
2 ms |
3004 KB |
Output is correct |
| 34 |
Correct |
21 ms |
3004 KB |
Output is correct |
| 35 |
Correct |
6 ms |
3004 KB |
Output is correct |
| 36 |
Correct |
15 ms |
3004 KB |
Output is correct |
| 37 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 38 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 39 |
Correct |
28 ms |
3004 KB |
Output is correct |
| 40 |
Partially correct |
46 ms |
3004 KB |
Partially correct - number of queries: 7040 |
| 41 |
Correct |
31 ms |
3004 KB |
Output is correct |
| 42 |
Correct |
23 ms |
3004 KB |
Output is correct |
| 43 |
Correct |
30 ms |
3004 KB |
Output is correct |
| 44 |
Correct |
17 ms |
3004 KB |
Output is correct |
| 45 |
Correct |
13 ms |
3004 KB |
Output is correct |
| 46 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 47 |
Correct |
26 ms |
3004 KB |
Output is correct |
| 48 |
Partially correct |
33 ms |
3004 KB |
Partially correct - number of queries: 5785 |
| 49 |
Correct |
8 ms |
3004 KB |
Output is correct |
| 50 |
Partially correct |
56 ms |
3004 KB |
Partially correct - number of queries: 8117 |
| 51 |
Correct |
26 ms |
3004 KB |
Output is correct |
| 52 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 53 |
Correct |
5 ms |
3004 KB |
Output is correct |
| 54 |
Correct |
24 ms |
3004 KB |
Output is correct |
| 55 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 56 |
Partially correct |
55 ms |
3004 KB |
Partially correct - number of queries: 8124 |
| 57 |
Partially correct |
33 ms |
3004 KB |
Partially correct - number of queries: 5705 |
| 58 |
Partially correct |
42 ms |
3004 KB |
Partially correct - number of queries: 5802 |
| 59 |
Correct |
36 ms |
3004 KB |
Output is correct |
| 60 |
Correct |
29 ms |
3004 KB |
Output is correct |
| 61 |
Correct |
5 ms |
3004 KB |
Output is correct |
| 62 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 63 |
Correct |
6 ms |
3004 KB |
Output is correct |
| 64 |
Correct |
5 ms |
3004 KB |
Output is correct |
| 65 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 66 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 67 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 68 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 69 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 70 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 71 |
Partially correct |
57 ms |
3004 KB |
Partially correct - number of queries: 8104 |
| 72 |
Correct |
9 ms |
3004 KB |
Output is correct |
| 73 |
Partially correct |
52 ms |
3004 KB |
Partially correct - number of queries: 7999 |
| 74 |
Partially correct |
47 ms |
3004 KB |
Partially correct - number of queries: 8044 |
| 75 |
Correct |
6 ms |
3004 KB |
Output is correct |
| 76 |
Partially correct |
50 ms |
3004 KB |
Partially correct - number of queries: 7024 |
| 77 |
Partially correct |
61 ms |
3004 KB |
Partially correct - number of queries: 8106 |
| 78 |
Correct |
7 ms |
3004 KB |
Output is correct |
| 79 |
Correct |
28 ms |
3004 KB |
Output is correct |
| 80 |
Partially correct |
54 ms |
3004 KB |
Partially correct - number of queries: 8111 |
| 81 |
Partially correct |
60 ms |
3004 KB |
Partially correct - number of queries: 8109 |
| 82 |
Partially correct |
56 ms |
3004 KB |
Partially correct - number of queries: 8044 |
| 83 |
Correct |
5 ms |
3004 KB |
Output is correct |
| 84 |
Partially correct |
40 ms |
3004 KB |
Partially correct - number of queries: 6782 |
| 85 |
Partially correct |
36 ms |
3004 KB |
Partially correct - number of queries: 8113 |
| 86 |
Correct |
13 ms |
3004 KB |
Output is correct |
| 87 |
Correct |
6 ms |
3004 KB |
Output is correct |
| 88 |
Correct |
17 ms |
3004 KB |
Output is correct |
| 89 |
Correct |
11 ms |
3004 KB |
Output is correct |
| 90 |
Correct |
5 ms |
3004 KB |
Output is correct |
| 91 |
Correct |
7 ms |
3004 KB |
Output is correct |
| 92 |
Correct |
4 ms |
3004 KB |
Output is correct |
| 93 |
Correct |
8 ms |
3004 KB |
Output is correct |
| 94 |
Correct |
8 ms |
3004 KB |
Output is correct |
| 95 |
Correct |
9 ms |
3004 KB |
Output is correct |
| 96 |
Correct |
8 ms |
3004 KB |
Output is correct |
| 97 |
Correct |
5 ms |
3004 KB |
Output is correct |
