#include<bits/stdc++.h>
#include "prize.h"
using namespace std;
int i,j,nn,m,l,r,c,xl,xr,maz,rez,mas[200005][2];
vector<int> xx;
vector<int> aask(int h)
{
if (mas[h][0]==-1&&mas[h][1]==-1)
{
xx=ask(nn-1-h);
mas[h][0]=xx[1];
mas[h][1]=xx[0];
}
xx[0]=mas[h][0];
xx[1]=mas[h][1];
return xx;
}
int find_best(int n)
{
nn=n;
i=0;
while (i<n-1)
{
mas[i][0]=-1;
mas[i][1]=-1;
i++;
}
l=0;
r=n-1;
rez=0;
maz=0;
while (true)
{
while (l<r)
{
c=l+(r-l)/2;
xx=aask(c);
xl=xx[0];
xr=xx[1];
if (xl+xr==0)
{
return n-1-c;
}
if (xl+xr>maz)
{
l=0;
r=n-1;
rez=0;
maz=xl+xr;
}
else if (xl+xr<maz)
{
r=c;
}
else if (xl>rez)
{
r=c-1;
}
else
{
l=c+1;
}
}
if (l<=n-1)
{
xx=aask(l);
xl=xx[0];
xr=xx[1];
}
if (xl+xr==0)
{
return n-1-l;
}
rez++;
l++;
if (l<=n-1)
{
xx=(aask(l));
xl=xx[0];
xr=xx[1];
if (xl+xr==0)
{
return n-1-l;
}
}
while (xl+xr<maz&&l<n-1)
{
l++;
rez++;
xx=(aask(l));
xl=xx[0];
xr=xx[1];
if (xl+xr==0)
{
return n-1-l;
}
}
if (xl+xr>maz)
{
maz=xl+xr;
l=0;
r=n-1;
rez=0;
}
r=n-1;
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
1784 KB |
Output is correct |
| 2 |
Correct |
4 ms |
1844 KB |
Output is correct |
| 3 |
Correct |
4 ms |
1984 KB |
Output is correct |
| 4 |
Correct |
4 ms |
1996 KB |
Output is correct |
| 5 |
Correct |
4 ms |
1996 KB |
Output is correct |
| 6 |
Correct |
4 ms |
1996 KB |
Output is correct |
| 7 |
Correct |
4 ms |
1996 KB |
Output is correct |
| 8 |
Correct |
4 ms |
2072 KB |
Output is correct |
| 9 |
Correct |
5 ms |
2072 KB |
Output is correct |
| 10 |
Correct |
3 ms |
2072 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
2108 KB |
Output is correct |
| 2 |
Correct |
5 ms |
2108 KB |
Output is correct |
| 3 |
Correct |
4 ms |
2108 KB |
Output is correct |
| 4 |
Correct |
4 ms |
2108 KB |
Output is correct |
| 5 |
Correct |
4 ms |
2108 KB |
Output is correct |
| 6 |
Correct |
4 ms |
2108 KB |
Output is correct |
| 7 |
Correct |
3 ms |
2108 KB |
Output is correct |
| 8 |
Correct |
4 ms |
2108 KB |
Output is correct |
| 9 |
Correct |
5 ms |
2108 KB |
Output is correct |
| 10 |
Correct |
4 ms |
2108 KB |
Output is correct |
| 11 |
Correct |
7 ms |
2108 KB |
Output is correct |
| 12 |
Correct |
5 ms |
2108 KB |
Output is correct |
| 13 |
Correct |
4 ms |
2108 KB |
Output is correct |
| 14 |
Correct |
12 ms |
2108 KB |
Output is correct |
| 15 |
Partially correct |
71 ms |
2108 KB |
Partially correct - number of queries: 5321 |
| 16 |
Correct |
17 ms |
2112 KB |
Output is correct |
| 17 |
Partially correct |
96 ms |
2112 KB |
Partially correct - number of queries: 7633 |
| 18 |
Correct |
4 ms |
2112 KB |
Output is correct |
| 19 |
Partially correct |
94 ms |
2112 KB |
Partially correct - number of queries: 6986 |
| 20 |
Correct |
45 ms |
2112 KB |
Output is correct |
| 21 |
Partially correct |
68 ms |
2112 KB |
Partially correct - number of queries: 5125 |
| 22 |
Partially correct |
89 ms |
2112 KB |
Partially correct - number of queries: 5290 |
| 23 |
Correct |
6 ms |
2112 KB |
Output is correct |
| 24 |
Correct |
8 ms |
2112 KB |
Output is correct |
| 25 |
Correct |
44 ms |
2112 KB |
Output is correct |
| 26 |
Correct |
55 ms |
2112 KB |
Output is correct |
| 27 |
Correct |
6 ms |
2112 KB |
Output is correct |
| 28 |
Correct |
11 ms |
2112 KB |
Output is correct |
| 29 |
Correct |
19 ms |
2112 KB |
Output is correct |
| 30 |
Correct |
4 ms |
2112 KB |
Output is correct |
| 31 |
Partially correct |
57 ms |
2112 KB |
Partially correct - number of queries: 7270 |
| 32 |
Correct |
4 ms |
2112 KB |
Output is correct |
| 33 |
Correct |
3 ms |
2112 KB |
Output is correct |
| 34 |
Partially correct |
33 ms |
2112 KB |
Partially correct - number of queries: 5657 |
| 35 |
Correct |
6 ms |
2112 KB |
Output is correct |
| 36 |
Partially correct |
85 ms |
2112 KB |
Partially correct - number of queries: 6208 |
| 37 |
Correct |
10 ms |
2112 KB |
Output is correct |
| 38 |
Correct |
7 ms |
2112 KB |
Output is correct |
| 39 |
Correct |
57 ms |
2112 KB |
Output is correct |
| 40 |
Correct |
6 ms |
2112 KB |
Output is correct |
| 41 |
Correct |
46 ms |
2112 KB |
Output is correct |
| 42 |
Correct |
43 ms |
2112 KB |
Output is correct |
| 43 |
Correct |
49 ms |
2112 KB |
Output is correct |
| 44 |
Partially correct |
63 ms |
2112 KB |
Partially correct - number of queries: 5031 |
| 45 |
Partially correct |
69 ms |
2112 KB |
Partially correct - number of queries: 5542 |
| 46 |
Partially correct |
60 ms |
2112 KB |
Partially correct - number of queries: 7647 |
| 47 |
Correct |
62 ms |
2112 KB |
Output is correct |
| 48 |
Correct |
38 ms |
2112 KB |
Output is correct |
| 49 |
Partially correct |
110 ms |
2112 KB |
Partially correct - number of queries: 7278 |
| 50 |
Correct |
5 ms |
2112 KB |
Output is correct |
| 51 |
Correct |
34 ms |
2112 KB |
Output is correct |
| 52 |
Partially correct |
117 ms |
2112 KB |
Partially correct - number of queries: 7573 |
| 53 |
Correct |
5 ms |
2112 KB |
Output is correct |
| 54 |
Correct |
72 ms |
2112 KB |
Output is correct |
| 55 |
Partially correct |
41 ms |
2112 KB |
Partially correct - number of queries: 7646 |
| 56 |
Correct |
4 ms |
2112 KB |
Output is correct |
| 57 |
Correct |
32 ms |
2112 KB |
Output is correct |
| 58 |
Correct |
41 ms |
2112 KB |
Output is correct |
| 59 |
Correct |
21 ms |
2112 KB |
Output is correct |
| 60 |
Correct |
54 ms |
2112 KB |
Output is correct |
| 61 |
Correct |
4 ms |
2112 KB |
Output is correct |
| 62 |
Correct |
7 ms |
2112 KB |
Output is correct |
| 63 |
Correct |
5 ms |
2112 KB |
Output is correct |
| 64 |
Correct |
5 ms |
2112 KB |
Output is correct |
| 65 |
Correct |
4 ms |
2112 KB |
Output is correct |
| 66 |
Correct |
3 ms |
2112 KB |
Output is correct |
| 67 |
Correct |
10 ms |
2112 KB |
Output is correct |
| 68 |
Correct |
4 ms |
2112 KB |
Output is correct |
| 69 |
Correct |
6 ms |
2112 KB |
Output is correct |
| 70 |
Correct |
7 ms |
2112 KB |
Output is correct |
| 71 |
Partially correct |
95 ms |
2112 KB |
Partially correct - number of queries: 7807 |
| 72 |
Correct |
9 ms |
2112 KB |
Output is correct |
| 73 |
Partially correct |
119 ms |
2112 KB |
Partially correct - number of queries: 7699 |
| 74 |
Partially correct |
47 ms |
2112 KB |
Partially correct - number of queries: 7748 |
| 75 |
Correct |
6 ms |
2112 KB |
Output is correct |
| 76 |
Partially correct |
93 ms |
2112 KB |
Partially correct - number of queries: 6617 |
| 77 |
Partially correct |
94 ms |
2112 KB |
Partially correct - number of queries: 7834 |
| 78 |
Correct |
9 ms |
2112 KB |
Output is correct |
| 79 |
Correct |
31 ms |
2112 KB |
Output is correct |
| 80 |
Partially correct |
82 ms |
2112 KB |
Partially correct - number of queries: 7854 |
| 81 |
Partially correct |
76 ms |
2112 KB |
Partially correct - number of queries: 7850 |
| 82 |
Partially correct |
50 ms |
2112 KB |
Partially correct - number of queries: 7774 |
| 83 |
Correct |
4 ms |
2112 KB |
Output is correct |
| 84 |
Partially correct |
56 ms |
2112 KB |
Partially correct - number of queries: 6406 |
| 85 |
Partially correct |
76 ms |
2112 KB |
Partially correct - number of queries: 7821 |
| 86 |
Partially correct |
78 ms |
2112 KB |
Partially correct - number of queries: 6082 |
| 87 |
Correct |
5 ms |
2112 KB |
Output is correct |
| 88 |
Partially correct |
70 ms |
2112 KB |
Partially correct - number of queries: 5783 |
| 89 |
Partially correct |
77 ms |
2112 KB |
Partially correct - number of queries: 6041 |
| 90 |
Correct |
5 ms |
2112 KB |
Output is correct |
| 91 |
Correct |
46 ms |
2112 KB |
Output is correct |
| 92 |
Correct |
5 ms |
2112 KB |
Output is correct |
| 93 |
Correct |
5 ms |
2112 KB |
Output is correct |
| 94 |
Correct |
16 ms |
2112 KB |
Output is correct |
| 95 |
Correct |
8 ms |
2112 KB |
Output is correct |
| 96 |
Correct |
9 ms |
2112 KB |
Output is correct |
| 97 |
Correct |
4 ms |
2112 KB |
Output is correct |
