#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> possible;
int rangMax;
pair<int,int> ans[200005];
pair<int,int> query(int x)
{
if(ans[x] != make_pair(-1, -1)) return ans[x];
auto res = ask(x);
ans[x] = {res[0], res[1]};
return ans[x];
}
int rang(int x)
{
return query(x).first + query(x).second;
}
void divide(int st, int dr, int outleft, int outright)
{
int mid = (st + dr) / 2, pos = mid;
while(pos <= dr && rang(pos) != rangMax)
{
possible.push_back(pos);
++pos;
}
if(pos <= dr)
{
if(query(pos).second > outright)
divide(pos+1, dr, query(pos).first, outright);
if(query(pos).first > outleft + (pos - mid))
divide(st, mid-1, outleft, query(pos).second + (pos - mid));
return;
}
pos = mid;
while(pos >= st && rang(pos) != rangMax)
{
possible.push_back(pos);
pos--;
}
if(pos >= st)
{
if(query(pos).first > outleft)
divide(st, pos-1, outleft, query(pos).second);
if(query(pos).second > outright + (mid - pos))
divide(mid+1, dr, query(pos).first + (mid - pos), outright);
return;
}
}
int find_best(int n)
{
int i;
for(i=0; i<n; ++i) ans[i] = {-1, -1};
for(i=0; i<500 && i<n; ++i)
rangMax = max(rangMax, rang(i));
divide(0, n-1, 0, 0);
for(auto it : possible)
if(rang(it) == 0) return it;
assert(0);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
1912 KB |
Output is correct |
| 2 |
Correct |
10 ms |
1916 KB |
Output is correct |
| 3 |
Correct |
8 ms |
1784 KB |
Output is correct |
| 4 |
Correct |
8 ms |
1784 KB |
Output is correct |
| 5 |
Correct |
8 ms |
1844 KB |
Output is correct |
| 6 |
Correct |
5 ms |
1912 KB |
Output is correct |
| 7 |
Correct |
9 ms |
1832 KB |
Output is correct |
| 8 |
Correct |
8 ms |
1912 KB |
Output is correct |
| 9 |
Correct |
10 ms |
1784 KB |
Output is correct |
| 10 |
Correct |
9 ms |
1792 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
1928 KB |
Output is correct |
| 2 |
Correct |
8 ms |
1832 KB |
Output is correct |
| 3 |
Correct |
6 ms |
1932 KB |
Output is correct |
| 4 |
Correct |
7 ms |
1960 KB |
Output is correct |
| 5 |
Correct |
7 ms |
1920 KB |
Output is correct |
| 6 |
Correct |
11 ms |
1784 KB |
Output is correct |
| 7 |
Correct |
10 ms |
1792 KB |
Output is correct |
| 8 |
Correct |
12 ms |
1792 KB |
Output is correct |
| 9 |
Correct |
8 ms |
1784 KB |
Output is correct |
| 10 |
Correct |
9 ms |
1792 KB |
Output is correct |
| 11 |
Correct |
6 ms |
1956 KB |
Output is correct |
| 12 |
Correct |
7 ms |
1912 KB |
Output is correct |
| 13 |
Correct |
7 ms |
1964 KB |
Output is correct |
| 14 |
Correct |
14 ms |
512 KB |
Output is correct |
| 15 |
Correct |
47 ms |
1784 KB |
Output is correct |
| 16 |
Correct |
27 ms |
2012 KB |
Output is correct |
| 17 |
Correct |
39 ms |
1792 KB |
Output is correct |
| 18 |
Correct |
43 ms |
1916 KB |
Output is correct |
| 19 |
Correct |
48 ms |
1832 KB |
Output is correct |
| 20 |
Correct |
35 ms |
1016 KB |
Output is correct |
| 21 |
Correct |
42 ms |
1884 KB |
Output is correct |
| 22 |
Correct |
32 ms |
1944 KB |
Output is correct |
| 23 |
Correct |
13 ms |
1832 KB |
Output is correct |
| 24 |
Correct |
8 ms |
1848 KB |
Output is correct |
| 25 |
Correct |
27 ms |
1884 KB |
Output is correct |
| 26 |
Correct |
24 ms |
1948 KB |
Output is correct |
| 27 |
Correct |
8 ms |
1784 KB |
Output is correct |
| 28 |
Correct |
41 ms |
1784 KB |
Output is correct |
| 29 |
Correct |
40 ms |
1900 KB |
Output is correct |
| 30 |
Correct |
46 ms |
1996 KB |
Output is correct |
| 31 |
Correct |
41 ms |
1812 KB |
Output is correct |
| 32 |
Correct |
12 ms |
1956 KB |
Output is correct |
| 33 |
Correct |
3 ms |
256 KB |
Output is correct |
| 34 |
Correct |
25 ms |
1968 KB |
Output is correct |
| 35 |
Correct |
10 ms |
1920 KB |
Output is correct |
| 36 |
Correct |
29 ms |
1884 KB |
Output is correct |
| 37 |
Correct |
11 ms |
1840 KB |
Output is correct |
| 38 |
Correct |
7 ms |
1912 KB |
Output is correct |
| 39 |
Correct |
58 ms |
1784 KB |
Output is correct |
| 40 |
Correct |
33 ms |
1812 KB |
Output is correct |
| 41 |
Correct |
21 ms |
1888 KB |
Output is correct |
| 42 |
Correct |
45 ms |
1916 KB |
Output is correct |
| 43 |
Correct |
42 ms |
1932 KB |
Output is correct |
| 44 |
Correct |
38 ms |
1960 KB |
Output is correct |
| 45 |
Correct |
55 ms |
1912 KB |
Output is correct |
| 46 |
Correct |
46 ms |
1876 KB |
Output is correct |
| 47 |
Correct |
28 ms |
1964 KB |
Output is correct |
| 48 |
Correct |
47 ms |
1936 KB |
Output is correct |
| 49 |
Correct |
39 ms |
2000 KB |
Output is correct |
| 50 |
Correct |
53 ms |
1940 KB |
Output is correct |
| 51 |
Correct |
46 ms |
1880 KB |
Output is correct |
| 52 |
Correct |
48 ms |
1896 KB |
Output is correct |
| 53 |
Correct |
10 ms |
1860 KB |
Output is correct |
| 54 |
Correct |
40 ms |
1936 KB |
Output is correct |
| 55 |
Correct |
24 ms |
1964 KB |
Output is correct |
| 56 |
Correct |
42 ms |
1960 KB |
Output is correct |
| 57 |
Correct |
45 ms |
1848 KB |
Output is correct |
| 58 |
Correct |
32 ms |
1976 KB |
Output is correct |
| 59 |
Correct |
33 ms |
1884 KB |
Output is correct |
| 60 |
Correct |
39 ms |
1888 KB |
Output is correct |
| 61 |
Correct |
9 ms |
1832 KB |
Output is correct |
| 62 |
Correct |
9 ms |
1940 KB |
Output is correct |
| 63 |
Correct |
10 ms |
1916 KB |
Output is correct |
| 64 |
Correct |
6 ms |
1912 KB |
Output is correct |
| 65 |
Correct |
5 ms |
1844 KB |
Output is correct |
| 66 |
Correct |
15 ms |
1784 KB |
Output is correct |
| 67 |
Correct |
14 ms |
1784 KB |
Output is correct |
| 68 |
Correct |
10 ms |
1784 KB |
Output is correct |
| 69 |
Correct |
14 ms |
1848 KB |
Output is correct |
| 70 |
Correct |
13 ms |
1784 KB |
Output is correct |
| 71 |
Partially correct |
24 ms |
1964 KB |
Partially correct - number of queries: 5258 |
| 72 |
Correct |
11 ms |
1936 KB |
Output is correct |
| 73 |
Partially correct |
43 ms |
1920 KB |
Partially correct - number of queries: 5195 |
| 74 |
Partially correct |
40 ms |
1964 KB |
Partially correct - number of queries: 5222 |
| 75 |
Correct |
9 ms |
1920 KB |
Output is correct |
| 76 |
Correct |
36 ms |
1960 KB |
Output is correct |
| 77 |
Correct |
23 ms |
1880 KB |
Output is correct |
| 78 |
Correct |
10 ms |
1792 KB |
Output is correct |
| 79 |
Correct |
23 ms |
1792 KB |
Output is correct |
| 80 |
Partially correct |
27 ms |
2072 KB |
Partially correct - number of queries: 5005 |
| 81 |
Correct |
60 ms |
1884 KB |
Output is correct |
| 82 |
Correct |
38 ms |
1880 KB |
Output is correct |
| 83 |
Correct |
10 ms |
1920 KB |
Output is correct |
| 84 |
Correct |
39 ms |
1936 KB |
Output is correct |
| 85 |
Correct |
26 ms |
2080 KB |
Output is correct |
| 86 |
Correct |
10 ms |
1832 KB |
Output is correct |
| 87 |
Correct |
11 ms |
1792 KB |
Output is correct |
| 88 |
Correct |
9 ms |
1792 KB |
Output is correct |
| 89 |
Correct |
7 ms |
1936 KB |
Output is correct |
| 90 |
Correct |
9 ms |
1784 KB |
Output is correct |
| 91 |
Correct |
8 ms |
1920 KB |
Output is correct |
| 92 |
Correct |
9 ms |
1964 KB |
Output is correct |
| 93 |
Correct |
12 ms |
1920 KB |
Output is correct |
| 94 |
Correct |
13 ms |
1792 KB |
Output is correct |
| 95 |
Correct |
10 ms |
1792 KB |
Output is correct |
| 96 |
Correct |
14 ms |
1912 KB |
Output is correct |
| 97 |
Correct |
9 ms |
1840 KB |
Output is correct |
