#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-1); solve(mid+1,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>=27) 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 |
9 ms |
2792 KB |
Output is correct |
2 |
Correct |
10 ms |
2856 KB |
Output is correct |
3 |
Correct |
17 ms |
2928 KB |
Output is correct |
4 |
Correct |
14 ms |
2928 KB |
Output is correct |
5 |
Correct |
13 ms |
2928 KB |
Output is correct |
6 |
Correct |
14 ms |
2928 KB |
Output is correct |
7 |
Correct |
17 ms |
3020 KB |
Output is correct |
8 |
Correct |
11 ms |
3020 KB |
Output is correct |
9 |
Correct |
10 ms |
3020 KB |
Output is correct |
10 |
Correct |
13 ms |
3020 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
3020 KB |
Output is correct |
2 |
Correct |
12 ms |
3020 KB |
Output is correct |
3 |
Correct |
11 ms |
3020 KB |
Output is correct |
4 |
Correct |
14 ms |
3020 KB |
Output is correct |
5 |
Correct |
12 ms |
3020 KB |
Output is correct |
6 |
Correct |
10 ms |
3020 KB |
Output is correct |
7 |
Correct |
11 ms |
3020 KB |
Output is correct |
8 |
Correct |
11 ms |
3020 KB |
Output is correct |
9 |
Correct |
13 ms |
3020 KB |
Output is correct |
10 |
Correct |
12 ms |
3020 KB |
Output is correct |
11 |
Correct |
14 ms |
3020 KB |
Output is correct |
12 |
Correct |
12 ms |
3020 KB |
Output is correct |
13 |
Correct |
12 ms |
3020 KB |
Output is correct |
14 |
Correct |
12 ms |
3020 KB |
Output is correct |
15 |
Correct |
36 ms |
3020 KB |
Output is correct |
16 |
Correct |
64 ms |
3020 KB |
Output is correct |
17 |
Correct |
71 ms |
3020 KB |
Output is correct |
18 |
Correct |
49 ms |
3020 KB |
Output is correct |
19 |
Correct |
68 ms |
3020 KB |
Output is correct |
20 |
Correct |
35 ms |
3020 KB |
Output is correct |
21 |
Correct |
66 ms |
3020 KB |
Output is correct |
22 |
Correct |
61 ms |
3020 KB |
Output is correct |
23 |
Correct |
11 ms |
3020 KB |
Output is correct |
24 |
Correct |
12 ms |
3020 KB |
Output is correct |
25 |
Correct |
62 ms |
3020 KB |
Output is correct |
26 |
Correct |
25 ms |
3020 KB |
Output is correct |
27 |
Correct |
14 ms |
3020 KB |
Output is correct |
28 |
Correct |
72 ms |
3020 KB |
Output is correct |
29 |
Correct |
27 ms |
3020 KB |
Output is correct |
30 |
Correct |
67 ms |
3020 KB |
Output is correct |
31 |
Correct |
65 ms |
3020 KB |
Output is correct |
32 |
Correct |
14 ms |
3020 KB |
Output is correct |
33 |
Correct |
2 ms |
3020 KB |
Output is correct |
34 |
Correct |
55 ms |
3020 KB |
Output is correct |
35 |
Correct |
14 ms |
3020 KB |
Output is correct |
36 |
Correct |
60 ms |
3020 KB |
Output is correct |
37 |
Correct |
11 ms |
3020 KB |
Output is correct |
38 |
Correct |
13 ms |
3020 KB |
Output is correct |
39 |
Correct |
44 ms |
3020 KB |
Output is correct |
40 |
Correct |
41 ms |
3020 KB |
Output is correct |
41 |
Correct |
42 ms |
3020 KB |
Output is correct |
42 |
Correct |
69 ms |
3020 KB |
Output is correct |
43 |
Correct |
73 ms |
3020 KB |
Output is correct |
44 |
Correct |
72 ms |
3020 KB |
Output is correct |
45 |
Correct |
57 ms |
3020 KB |
Output is correct |
46 |
Correct |
56 ms |
3020 KB |
Output is correct |
47 |
Correct |
39 ms |
3020 KB |
Output is correct |
48 |
Correct |
53 ms |
3020 KB |
Output is correct |
49 |
Correct |
61 ms |
3020 KB |
Output is correct |
50 |
Correct |
61 ms |
3020 KB |
Output is correct |
51 |
Correct |
59 ms |
3020 KB |
Output is correct |
52 |
Correct |
67 ms |
3020 KB |
Output is correct |
53 |
Correct |
13 ms |
3020 KB |
Output is correct |
54 |
Correct |
46 ms |
3020 KB |
Output is correct |
55 |
Correct |
69 ms |
3020 KB |
Output is correct |
56 |
Correct |
76 ms |
3020 KB |
Output is correct |
57 |
Correct |
63 ms |
3020 KB |
Output is correct |
58 |
Correct |
31 ms |
3020 KB |
Output is correct |
59 |
Correct |
54 ms |
3020 KB |
Output is correct |
60 |
Correct |
60 ms |
3020 KB |
Output is correct |
61 |
Correct |
15 ms |
3020 KB |
Output is correct |
62 |
Correct |
14 ms |
3020 KB |
Output is correct |
63 |
Correct |
13 ms |
3020 KB |
Output is correct |
64 |
Correct |
16 ms |
3020 KB |
Output is correct |
65 |
Correct |
8 ms |
3020 KB |
Output is correct |
66 |
Correct |
11 ms |
3020 KB |
Output is correct |
67 |
Correct |
9 ms |
3020 KB |
Output is correct |
68 |
Correct |
13 ms |
3020 KB |
Output is correct |
69 |
Correct |
7 ms |
3020 KB |
Output is correct |
70 |
Correct |
11 ms |
3020 KB |
Output is correct |
71 |
Correct |
25 ms |
3020 KB |
Output is correct |
72 |
Correct |
11 ms |
3020 KB |
Output is correct |
73 |
Correct |
38 ms |
3020 KB |
Output is correct |
74 |
Correct |
32 ms |
3020 KB |
Output is correct |
75 |
Correct |
14 ms |
3020 KB |
Output is correct |
76 |
Correct |
50 ms |
3020 KB |
Output is correct |
77 |
Partially correct |
54 ms |
3020 KB |
Partially correct - number of queries: 5025 |
78 |
Correct |
11 ms |
3020 KB |
Output is correct |
79 |
Correct |
31 ms |
3020 KB |
Output is correct |
80 |
Correct |
41 ms |
3020 KB |
Output is correct |
81 |
Correct |
62 ms |
3020 KB |
Output is correct |
82 |
Correct |
43 ms |
3020 KB |
Output is correct |
83 |
Correct |
16 ms |
3020 KB |
Output is correct |
84 |
Correct |
42 ms |
3020 KB |
Output is correct |
85 |
Correct |
72 ms |
3020 KB |
Output is correct |
86 |
Correct |
13 ms |
3020 KB |
Output is correct |
87 |
Correct |
6 ms |
3020 KB |
Output is correct |
88 |
Correct |
12 ms |
3020 KB |
Output is correct |
89 |
Correct |
15 ms |
3020 KB |
Output is correct |
90 |
Correct |
10 ms |
3020 KB |
Output is correct |
91 |
Correct |
9 ms |
3020 KB |
Output is correct |
92 |
Correct |
10 ms |
3020 KB |
Output is correct |
93 |
Correct |
14 ms |
3020 KB |
Output is correct |
94 |
Correct |
14 ms |
3020 KB |
Output is correct |
95 |
Correct |
12 ms |
3020 KB |
Output is correct |
96 |
Correct |
17 ms |
3020 KB |
Output is correct |
97 |
Correct |
9 ms |
3020 KB |
Output is correct |