#include<bits/stdc++.h>
#include "prize.h"
#define X first
#define Y second
using namespace std;
typedef pair<int,int> pii;
int numb, q_count = 10000;
pii P[210000];
bool mark[210000];
vector<int>vtmp;
pii query(int x)
{
if(mark[x]) return P[x];
mark[x]=true;
q_count --;
vtmp=ask(x);
pii tmp=pii(vtmp[0],vtmp[1]);
if(tmp.X+tmp.Y==0) throw x;
return P[x]=tmp;
}
void bs(int l,int r,int nl,int nr)
{
if(l>r) return;
for(int i=0;i<=r-l;i++)
{
int mid,midl=(l+r)/2-i/2,midr=(l+r)/2+(i+1)/2;
if(i%2==0) mid=midl;
else mid=midr;
pii tmp=query(mid);
if(tmp.X+tmp.Y==numb)
{
int tmpl=(i%2==0?0:midr-midl);
int tmpr=(i%2==1?0:midr-midl);
if(tmp.X-tmpl>nl) bs(l,midl-1,nl,tmp.Y+tmpl);
if(tmp.Y-tmpr>nr) bs(midr+1,r,tmp.X+tmpr,nr);
break;
}
}
}
int find_best(int n)
{
if(n==1) return 0;
try{
numb=0;
memset(mark,false,sizeof mark);
int p=0;
for(int i=0;i<sqrt(n)+30 && i<n && numb<27;i++)
{
pii tmp=query(i);
if(tmp.X+tmp.Y>numb) p=i;
numb=max(numb,tmp.X+tmp.Y);
}
bs(p,n-1,p,0);
}
catch(int ans){
for(int i=0;i<q_count;i++)
ask(0);
return ans;
}
return -1;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
39 ms |
4020 KB |
Output is correct |
2 |
Correct |
19 ms |
4020 KB |
Output is correct |
3 |
Correct |
39 ms |
4020 KB |
Output is correct |
4 |
Correct |
39 ms |
4020 KB |
Output is correct |
5 |
Correct |
39 ms |
4020 KB |
Output is correct |
6 |
Correct |
26 ms |
4020 KB |
Output is correct |
7 |
Correct |
23 ms |
4020 KB |
Output is correct |
8 |
Correct |
63 ms |
4020 KB |
Output is correct |
9 |
Correct |
53 ms |
4020 KB |
Output is correct |
10 |
Correct |
26 ms |
4020 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
33 ms |
4020 KB |
number of queries: 10000 |
2 |
Incorrect |
59 ms |
4020 KB |
number of queries: 10000 |
3 |
Incorrect |
73 ms |
4020 KB |
number of queries: 10000 |
4 |
Incorrect |
29 ms |
4020 KB |
number of queries: 10000 |
5 |
Incorrect |
66 ms |
4020 KB |
number of queries: 10000 |
6 |
Incorrect |
66 ms |
4020 KB |
number of queries: 10000 |
7 |
Incorrect |
49 ms |
4020 KB |
number of queries: 10000 |
8 |
Incorrect |
89 ms |
4020 KB |
number of queries: 10000 |
9 |
Incorrect |
33 ms |
4020 KB |
number of queries: 10000 |
10 |
Incorrect |
16 ms |
4020 KB |
number of queries: 10000 |
11 |
Incorrect |
33 ms |
4020 KB |
number of queries: 10000 |
12 |
Incorrect |
46 ms |
4020 KB |
number of queries: 10000 |
13 |
Incorrect |
43 ms |
4020 KB |
number of queries: 10000 |
14 |
Incorrect |
19 ms |
4020 KB |
number of queries: 10000 |
15 |
Incorrect |
33 ms |
4020 KB |
number of queries: 10000 |
16 |
Incorrect |
46 ms |
4020 KB |
number of queries: 10000 |
17 |
Incorrect |
23 ms |
4020 KB |
number of queries: 10000 |
18 |
Incorrect |
53 ms |
4020 KB |
number of queries: 10000 |
19 |
Incorrect |
66 ms |
4020 KB |
number of queries: 10000 |
20 |
Incorrect |
46 ms |
4020 KB |
number of queries: 10000 |
21 |
Incorrect |
19 ms |
4020 KB |
number of queries: 10000 |
22 |
Incorrect |
33 ms |
4020 KB |
number of queries: 10000 |
23 |
Incorrect |
33 ms |
4020 KB |
number of queries: 10000 |
24 |
Incorrect |
49 ms |
4020 KB |
number of queries: 10000 |
25 |
Incorrect |
46 ms |
4020 KB |
number of queries: 10000 |
26 |
Incorrect |
23 ms |
4020 KB |
number of queries: 10000 |
27 |
Incorrect |
36 ms |
4020 KB |
number of queries: 10000 |
28 |
Incorrect |
26 ms |
4020 KB |
number of queries: 10000 |
29 |
Incorrect |
19 ms |
4020 KB |
number of queries: 10000 |
30 |
Incorrect |
39 ms |
4020 KB |
number of queries: 10000 |
31 |
Incorrect |
26 ms |
4020 KB |
number of queries: 10000 |
32 |
Incorrect |
33 ms |
4020 KB |
number of queries: 10000 |
33 |
Incorrect |
33 ms |
4020 KB |
number of queries: 10000 |
34 |
Incorrect |
29 ms |
4020 KB |
number of queries: 10000 |
35 |
Incorrect |
19 ms |
4020 KB |
number of queries: 10000 |
36 |
Incorrect |
46 ms |
4020 KB |
number of queries: 10000 |
37 |
Incorrect |
23 ms |
4020 KB |
number of queries: 10000 |
38 |
Incorrect |
66 ms |
4020 KB |
number of queries: 10000 |
39 |
Incorrect |
23 ms |
4020 KB |
number of queries: 10000 |
40 |
Incorrect |
16 ms |
4020 KB |
number of queries: 10000 |
41 |
Incorrect |
56 ms |
4020 KB |
number of queries: 10000 |
42 |
Incorrect |
46 ms |
4020 KB |
number of queries: 10000 |
43 |
Incorrect |
33 ms |
4020 KB |
number of queries: 10000 |
44 |
Incorrect |
53 ms |
4020 KB |
number of queries: 10000 |
45 |
Incorrect |
43 ms |
4020 KB |
number of queries: 10000 |
46 |
Incorrect |
39 ms |
4020 KB |
number of queries: 10000 |
47 |
Incorrect |
6 ms |
4020 KB |
number of queries: 10000 |
48 |
Incorrect |
26 ms |
4020 KB |
number of queries: 10000 |
49 |
Incorrect |
53 ms |
4020 KB |
number of queries: 10000 |
50 |
Incorrect |
26 ms |
4020 KB |
number of queries: 10000 |
51 |
Incorrect |
49 ms |
4020 KB |
number of queries: 10000 |
52 |
Incorrect |
49 ms |
4020 KB |
number of queries: 10000 |
53 |
Incorrect |
26 ms |
4020 KB |
number of queries: 10000 |
54 |
Incorrect |
43 ms |
4020 KB |
number of queries: 10000 |
55 |
Incorrect |
39 ms |
4020 KB |
number of queries: 10000 |
56 |
Incorrect |
39 ms |
4020 KB |
number of queries: 10000 |
57 |
Incorrect |
49 ms |
4020 KB |
number of queries: 10000 |
58 |
Incorrect |
29 ms |
4020 KB |
number of queries: 10000 |
59 |
Incorrect |
33 ms |
4020 KB |
number of queries: 10000 |
60 |
Incorrect |
23 ms |
4020 KB |
number of queries: 10000 |
61 |
Incorrect |
29 ms |
4020 KB |
number of queries: 10000 |
62 |
Incorrect |
43 ms |
4020 KB |
number of queries: 10000 |
63 |
Incorrect |
23 ms |
4020 KB |
number of queries: 10000 |
64 |
Incorrect |
43 ms |
4020 KB |
number of queries: 10000 |
65 |
Incorrect |
46 ms |
4020 KB |
number of queries: 10000 |
66 |
Incorrect |
53 ms |
4020 KB |
number of queries: 10000 |
67 |
Incorrect |
29 ms |
4020 KB |
number of queries: 10000 |
68 |
Incorrect |
33 ms |
4020 KB |
number of queries: 10000 |
69 |
Incorrect |
23 ms |
4020 KB |
number of queries: 10000 |
70 |
Incorrect |
33 ms |
4020 KB |
number of queries: 10000 |
71 |
Incorrect |
49 ms |
4020 KB |
number of queries: 10000 |
72 |
Incorrect |
53 ms |
4020 KB |
number of queries: 10000 |
73 |
Incorrect |
13 ms |
4020 KB |
number of queries: 10000 |
74 |
Incorrect |
29 ms |
4020 KB |
number of queries: 10000 |
75 |
Incorrect |
63 ms |
4020 KB |
number of queries: 10000 |
76 |
Incorrect |
56 ms |
4020 KB |
number of queries: 10000 |
77 |
Incorrect |
36 ms |
4020 KB |
number of queries: 10000 |
78 |
Incorrect |
46 ms |
4020 KB |
number of queries: 10000 |
79 |
Incorrect |
26 ms |
4020 KB |
number of queries: 10000 |
80 |
Incorrect |
33 ms |
4020 KB |
number of queries: 10000 |
81 |
Incorrect |
49 ms |
4020 KB |
number of queries: 10000 |
82 |
Incorrect |
43 ms |
4020 KB |
number of queries: 10000 |
83 |
Incorrect |
56 ms |
4020 KB |
number of queries: 10000 |
84 |
Incorrect |
49 ms |
4020 KB |
number of queries: 10000 |
85 |
Incorrect |
59 ms |
4020 KB |
number of queries: 10000 |
86 |
Incorrect |
39 ms |
4020 KB |
number of queries: 10000 |
87 |
Incorrect |
36 ms |
4020 KB |
number of queries: 10000 |
88 |
Incorrect |
53 ms |
4020 KB |
number of queries: 10000 |
89 |
Incorrect |
29 ms |
4020 KB |
number of queries: 10000 |
90 |
Incorrect |
59 ms |
4020 KB |
number of queries: 10000 |
91 |
Incorrect |
19 ms |
4020 KB |
number of queries: 10000 |
92 |
Incorrect |
49 ms |
4020 KB |
number of queries: 10000 |
93 |
Incorrect |
19 ms |
4020 KB |
number of queries: 10000 |
94 |
Incorrect |
29 ms |
4020 KB |
number of queries: 10000 |
95 |
Incorrect |
73 ms |
4020 KB |
number of queries: 10000 |
96 |
Incorrect |
59 ms |
4020 KB |
number of queries: 10000 |
97 |
Incorrect |
59 ms |
4020 KB |
number of queries: 10000 |