#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int,int> ii;
#define fi first
#define se second
#define pb push_back
#define mp make_pair
ii dp[442311];
int n;
int totalquery;
const int MX = 10000;
ii query(int x)
{
if(x<0||x>=n) return mp(0,0);
if(dp[x].fi>=0) return dp[x];
totalquery++; //assert(totalquery<=MX);
vector<int> a = ask(x);
dp[x].fi=a[0]; dp[x].se=a[1]; return dp[x];
}
vi global;
vector<int> vec;
int newmax;
void solve(int l, int r)
{
if(l>r) return ;
//later optimize by using count
int mid=(l+r)>>1;
ii cntl=query(vec[l]);
assert(cntl.fi+cntl.se<=newmax);
if(cntl.fi+cntl.se<newmax){global.pb(vec[l]); solve(l+1,r); return ;}
ii cntr=query(vec[r]);
assert(cntr.fi+cntr.se<=newmax);
if(cntr.fi+cntr.se<newmax){global.pb(vec[r]); solve(l,r-1); return ;}
ii tmp = query(vec[mid]);
assert(tmp.fi+tmp.se<=newmax);
if(tmp.fi+tmp.se<newmax)
{
global.pb(vec[mid]);
solve(l,mid); solve(mid,r);
return ;
}
int cntleft = tmp.fi-cntl.fi;
int cntright = tmp.se-cntr.se;
if(cntleft) solve(l,mid);
if(cntright) solve(mid,r);
}
int find_best(int _n)
{
n=_n;
for(int i=0;i<n;i++) {dp[i]=mp(-1,-1);vec.pb(i);}
while(vec.size()>1)
{
global.clear(); int C=0; int cr=int(vec.size());
int p=1;
while(cr>1)
{
C+=int(sqrt(cr))+p; cr=int(sqrt(cr)); p=0;
}
C=min(C,int(vec.size()));
newmax=0;
for(int i=0;i<C;i++)
{
newmax=max(newmax,query(vec[i]).fi+query(vec[i]).se);
if(newmax>=(int(vec.size())==n?27:10)) break;
}
solve(0,int(vec.size())-1);
vec=global; sort(vec.begin(),vec.end()); vec.erase(unique(vec.begin(),vec.end()),vec.end());
}
return vec[0];
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
2720 KB |
Output is correct |
| 2 |
Correct |
16 ms |
2768 KB |
Output is correct |
| 3 |
Correct |
9 ms |
2964 KB |
Output is correct |
| 4 |
Correct |
14 ms |
2964 KB |
Output is correct |
| 5 |
Correct |
11 ms |
2964 KB |
Output is correct |
| 6 |
Correct |
12 ms |
2964 KB |
Output is correct |
| 7 |
Correct |
7 ms |
2964 KB |
Output is correct |
| 8 |
Correct |
8 ms |
2980 KB |
Output is correct |
| 9 |
Correct |
11 ms |
2980 KB |
Output is correct |
| 10 |
Correct |
13 ms |
2988 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
2988 KB |
Output is correct |
| 2 |
Correct |
10 ms |
2988 KB |
Output is correct |
| 3 |
Correct |
12 ms |
2988 KB |
Output is correct |
| 4 |
Correct |
7 ms |
2988 KB |
Output is correct |
| 5 |
Correct |
10 ms |
2988 KB |
Output is correct |
| 6 |
Correct |
11 ms |
2988 KB |
Output is correct |
| 7 |
Correct |
12 ms |
2992 KB |
Output is correct |
| 8 |
Correct |
9 ms |
2992 KB |
Output is correct |
| 9 |
Correct |
9 ms |
2992 KB |
Output is correct |
| 10 |
Correct |
8 ms |
2992 KB |
Output is correct |
| 11 |
Correct |
10 ms |
2992 KB |
Output is correct |
| 12 |
Correct |
10 ms |
2992 KB |
Output is correct |
| 13 |
Correct |
9 ms |
3136 KB |
Output is correct |
| 14 |
Correct |
14 ms |
3136 KB |
Output is correct |
| 15 |
Correct |
47 ms |
3136 KB |
Output is correct |
| 16 |
Correct |
63 ms |
3136 KB |
Output is correct |
| 17 |
Correct |
46 ms |
3136 KB |
Output is correct |
| 18 |
Correct |
51 ms |
3136 KB |
Output is correct |
| 19 |
Correct |
37 ms |
3136 KB |
Output is correct |
| 20 |
Correct |
37 ms |
3136 KB |
Output is correct |
| 21 |
Correct |
44 ms |
3136 KB |
Output is correct |
| 22 |
Correct |
35 ms |
3136 KB |
Output is correct |
| 23 |
Correct |
10 ms |
3136 KB |
Output is correct |
| 24 |
Correct |
8 ms |
3136 KB |
Output is correct |
| 25 |
Correct |
54 ms |
3136 KB |
Output is correct |
| 26 |
Correct |
45 ms |
3136 KB |
Output is correct |
| 27 |
Correct |
11 ms |
3136 KB |
Output is correct |
| 28 |
Correct |
48 ms |
3136 KB |
Output is correct |
| 29 |
Correct |
25 ms |
3136 KB |
Output is correct |
| 30 |
Correct |
57 ms |
3136 KB |
Output is correct |
| 31 |
Correct |
36 ms |
3136 KB |
Output is correct |
| 32 |
Correct |
10 ms |
3136 KB |
Output is correct |
| 33 |
Correct |
2 ms |
3136 KB |
Output is correct |
| 34 |
Correct |
36 ms |
3136 KB |
Output is correct |
| 35 |
Correct |
12 ms |
3136 KB |
Output is correct |
| 36 |
Correct |
44 ms |
3136 KB |
Output is correct |
| 37 |
Correct |
9 ms |
3136 KB |
Output is correct |
| 38 |
Correct |
13 ms |
3136 KB |
Output is correct |
| 39 |
Correct |
47 ms |
3136 KB |
Output is correct |
| 40 |
Correct |
45 ms |
3136 KB |
Output is correct |
| 41 |
Correct |
71 ms |
3136 KB |
Output is correct |
| 42 |
Correct |
33 ms |
3136 KB |
Output is correct |
| 43 |
Correct |
46 ms |
3136 KB |
Output is correct |
| 44 |
Correct |
32 ms |
3136 KB |
Output is correct |
| 45 |
Correct |
26 ms |
3136 KB |
Output is correct |
| 46 |
Correct |
49 ms |
3136 KB |
Output is correct |
| 47 |
Correct |
55 ms |
3136 KB |
Output is correct |
| 48 |
Correct |
55 ms |
3136 KB |
Output is correct |
| 49 |
Correct |
64 ms |
3136 KB |
Output is correct |
| 50 |
Correct |
65 ms |
3136 KB |
Output is correct |
| 51 |
Correct |
61 ms |
3136 KB |
Output is correct |
| 52 |
Correct |
54 ms |
3136 KB |
Output is correct |
| 53 |
Correct |
13 ms |
3136 KB |
Output is correct |
| 54 |
Correct |
68 ms |
3136 KB |
Output is correct |
| 55 |
Correct |
57 ms |
3136 KB |
Output is correct |
| 56 |
Correct |
56 ms |
3136 KB |
Output is correct |
| 57 |
Correct |
52 ms |
3136 KB |
Output is correct |
| 58 |
Correct |
43 ms |
3136 KB |
Output is correct |
| 59 |
Correct |
48 ms |
3136 KB |
Output is correct |
| 60 |
Correct |
26 ms |
3136 KB |
Output is correct |
| 61 |
Correct |
15 ms |
3136 KB |
Output is correct |
| 62 |
Correct |
12 ms |
3136 KB |
Output is correct |
| 63 |
Correct |
14 ms |
3136 KB |
Output is correct |
| 64 |
Correct |
14 ms |
3136 KB |
Output is correct |
| 65 |
Correct |
6 ms |
3136 KB |
Output is correct |
| 66 |
Correct |
14 ms |
3136 KB |
Output is correct |
| 67 |
Correct |
11 ms |
3136 KB |
Output is correct |
| 68 |
Correct |
9 ms |
3136 KB |
Output is correct |
| 69 |
Correct |
10 ms |
3136 KB |
Output is correct |
| 70 |
Correct |
8 ms |
3136 KB |
Output is correct |
| 71 |
Correct |
39 ms |
3136 KB |
Output is correct |
| 72 |
Correct |
9 ms |
3136 KB |
Output is correct |
| 73 |
Correct |
45 ms |
3136 KB |
Output is correct |
| 74 |
Correct |
39 ms |
3136 KB |
Output is correct |
| 75 |
Correct |
14 ms |
3136 KB |
Output is correct |
| 76 |
Correct |
39 ms |
3136 KB |
Output is correct |
| 77 |
Partially correct |
76 ms |
3136 KB |
Partially correct - number of queries: 5025 |
| 78 |
Correct |
10 ms |
3136 KB |
Output is correct |
| 79 |
Correct |
28 ms |
3136 KB |
Output is correct |
| 80 |
Correct |
43 ms |
3136 KB |
Output is correct |
| 81 |
Correct |
73 ms |
3136 KB |
Output is correct |
| 82 |
Correct |
50 ms |
3136 KB |
Output is correct |
| 83 |
Correct |
9 ms |
3136 KB |
Output is correct |
| 84 |
Correct |
42 ms |
3136 KB |
Output is correct |
| 85 |
Correct |
44 ms |
3136 KB |
Output is correct |
| 86 |
Correct |
11 ms |
3136 KB |
Output is correct |
| 87 |
Correct |
5 ms |
3136 KB |
Output is correct |
| 88 |
Correct |
9 ms |
3136 KB |
Output is correct |
| 89 |
Correct |
8 ms |
3136 KB |
Output is correct |
| 90 |
Correct |
10 ms |
3136 KB |
Output is correct |
| 91 |
Correct |
6 ms |
3136 KB |
Output is correct |
| 92 |
Correct |
9 ms |
3136 KB |
Output is correct |
| 93 |
Correct |
13 ms |
3136 KB |
Output is correct |
| 94 |
Correct |
12 ms |
3136 KB |
Output is correct |
| 95 |
Correct |
15 ms |
3136 KB |
Output is correct |
| 96 |
Correct |
15 ms |
3136 KB |
Output is correct |
| 97 |
Correct |
12 ms |
3136 KB |
Output is correct |
