#include "bits/stdc++.h"
using namespace std;
#include "prize.h"
#ifdef LOCAL
#include "debug.cpp"
#else
#define debug(...)
#define debugArr(...)
#endif
pair<int,int> ret[200001];
int fin = -1;
pair<int,int> ans(int x){
if(ret[x].first!=-1)return ret[x];
vector<int>lol = ask(x);
ret[x] = {lol[0],lol[1]};
if(ret[x].first==ret[x].second&&ret[x].first==0){
fin = x;
}
return ret[x];
}
void solve(int l,int r){
if(fin!=-1)return ;
if(l>r)return ;
if(l==r){
ans(l);
return ;
}
while(ans(l).first+ans(l).second!=ans(r).first+ans(r).second){
while(ans(l).first+ans(l).second<ans(r).first+ans(r).second)l++;
while(ans(l).first+ans(l).second>ans(r).first+ans(r).second)r--;
}
int mid = (l+r)/2;
if(ans(l).second==ans(r).second){
return ;
}
solve(l,mid);
solve(mid,r);
}
int find_best(int n){
for(int i = 0;i<n;i++){
ret[i] = {-1,-1};
}
solve(0,n-1);
return fin;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1880 KB |
Output is correct |
2 |
Correct |
1 ms |
1880 KB |
Output is correct |
3 |
Correct |
1 ms |
1880 KB |
Output is correct |
4 |
Correct |
1 ms |
1880 KB |
Output is correct |
5 |
Correct |
1 ms |
1880 KB |
Output is correct |
6 |
Correct |
1 ms |
1880 KB |
Output is correct |
7 |
Correct |
2 ms |
1880 KB |
Output is correct |
8 |
Correct |
1 ms |
1880 KB |
Output is correct |
9 |
Correct |
1 ms |
1880 KB |
Output is correct |
10 |
Correct |
1 ms |
1880 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1880 KB |
Output is correct |
2 |
Correct |
1 ms |
1880 KB |
Output is correct |
3 |
Correct |
1 ms |
1880 KB |
Output is correct |
4 |
Correct |
1 ms |
2132 KB |
Output is correct |
5 |
Correct |
1 ms |
1880 KB |
Output is correct |
6 |
Correct |
1 ms |
2136 KB |
Output is correct |
7 |
Correct |
1 ms |
1880 KB |
Output is correct |
8 |
Correct |
1 ms |
1880 KB |
Output is correct |
9 |
Correct |
1 ms |
1976 KB |
Output is correct |
10 |
Correct |
1 ms |
1880 KB |
Output is correct |
11 |
Correct |
2 ms |
2136 KB |
Output is correct |
12 |
Correct |
1 ms |
1880 KB |
Output is correct |
13 |
Correct |
2 ms |
1880 KB |
Output is correct |
14 |
Correct |
1 ms |
600 KB |
Output is correct |
15 |
Correct |
5 ms |
1972 KB |
Output is correct |
16 |
Correct |
22 ms |
2132 KB |
Output is correct |
17 |
Correct |
1 ms |
1880 KB |
Output is correct |
18 |
Correct |
26 ms |
1888 KB |
Output is correct |
19 |
Correct |
1 ms |
1880 KB |
Output is correct |
20 |
Correct |
5 ms |
1112 KB |
Output is correct |
21 |
Correct |
8 ms |
2136 KB |
Output is correct |
22 |
Correct |
4 ms |
2136 KB |
Output is correct |
23 |
Correct |
1 ms |
1880 KB |
Output is correct |
24 |
Correct |
1 ms |
1880 KB |
Output is correct |
25 |
Correct |
14 ms |
2136 KB |
Output is correct |
26 |
Correct |
13 ms |
1880 KB |
Output is correct |
27 |
Correct |
2 ms |
1880 KB |
Output is correct |
28 |
Correct |
24 ms |
1880 KB |
Output is correct |
29 |
Correct |
15 ms |
1880 KB |
Output is correct |
30 |
Correct |
24 ms |
1880 KB |
Output is correct |
31 |
Correct |
1 ms |
1880 KB |
Output is correct |
32 |
Correct |
2 ms |
1880 KB |
Output is correct |
33 |
Correct |
1 ms |
344 KB |
Output is correct |
34 |
Correct |
7 ms |
2136 KB |
Output is correct |
35 |
Correct |
2 ms |
1880 KB |
Output is correct |
36 |
Correct |
6 ms |
1880 KB |
Output is correct |
37 |
Correct |
2 ms |
1880 KB |
Output is correct |
38 |
Correct |
1 ms |
1880 KB |
Output is correct |
39 |
Correct |
10 ms |
2076 KB |
Output is correct |
40 |
Correct |
26 ms |
1880 KB |
Output is correct |
41 |
Correct |
11 ms |
2136 KB |
Output is correct |
42 |
Correct |
16 ms |
1976 KB |
Output is correct |
43 |
Correct |
10 ms |
1880 KB |
Output is correct |
44 |
Correct |
8 ms |
1880 KB |
Output is correct |
45 |
Correct |
6 ms |
1880 KB |
Output is correct |
46 |
Correct |
1 ms |
1880 KB |
Output is correct |
47 |
Correct |
12 ms |
1880 KB |
Output is correct |
48 |
Correct |
18 ms |
2040 KB |
Output is correct |
49 |
Correct |
2 ms |
1880 KB |
Output is correct |
50 |
Correct |
22 ms |
1880 KB |
Output is correct |
51 |
Correct |
9 ms |
1880 KB |
Output is correct |
52 |
Correct |
1 ms |
1880 KB |
Output is correct |
53 |
Correct |
1 ms |
2132 KB |
Output is correct |
54 |
Correct |
9 ms |
1880 KB |
Output is correct |
55 |
Correct |
1 ms |
1880 KB |
Output is correct |
56 |
Correct |
23 ms |
1880 KB |
Output is correct |
57 |
Correct |
13 ms |
1880 KB |
Output is correct |
58 |
Correct |
22 ms |
1876 KB |
Output is correct |
59 |
Correct |
14 ms |
1880 KB |
Output is correct |
60 |
Correct |
15 ms |
1880 KB |
Output is correct |
61 |
Correct |
1 ms |
1880 KB |
Output is correct |
62 |
Correct |
1 ms |
1880 KB |
Output is correct |
63 |
Correct |
2 ms |
1880 KB |
Output is correct |
64 |
Correct |
2 ms |
1976 KB |
Output is correct |
65 |
Correct |
1 ms |
1876 KB |
Output is correct |
66 |
Correct |
3 ms |
1880 KB |
Output is correct |
67 |
Correct |
3 ms |
1880 KB |
Output is correct |
68 |
Correct |
3 ms |
1880 KB |
Output is correct |
69 |
Correct |
3 ms |
1880 KB |
Output is correct |
70 |
Correct |
2 ms |
1880 KB |
Output is correct |
71 |
Correct |
23 ms |
1880 KB |
Output is correct |
72 |
Correct |
3 ms |
1880 KB |
Output is correct |
73 |
Correct |
23 ms |
1880 KB |
Output is correct |
74 |
Correct |
20 ms |
2132 KB |
Output is correct |
75 |
Correct |
1 ms |
1880 KB |
Output is correct |
76 |
Correct |
22 ms |
1880 KB |
Output is correct |
77 |
Correct |
24 ms |
1880 KB |
Output is correct |
78 |
Correct |
3 ms |
1880 KB |
Output is correct |
79 |
Correct |
11 ms |
1880 KB |
Output is correct |
80 |
Correct |
21 ms |
1880 KB |
Output is correct |
81 |
Correct |
26 ms |
1880 KB |
Output is correct |
82 |
Correct |
32 ms |
1880 KB |
Output is correct |
83 |
Correct |
1 ms |
1880 KB |
Output is correct |
84 |
Correct |
16 ms |
1880 KB |
Output is correct |
85 |
Correct |
24 ms |
1880 KB |
Output is correct |
86 |
Correct |
2 ms |
1880 KB |
Output is correct |
87 |
Correct |
1 ms |
1880 KB |
Output is correct |
88 |
Correct |
3 ms |
1880 KB |
Output is correct |
89 |
Correct |
2 ms |
1880 KB |
Output is correct |
90 |
Correct |
1 ms |
1904 KB |
Output is correct |
91 |
Correct |
1 ms |
1880 KB |
Output is correct |
92 |
Correct |
1 ms |
1880 KB |
Output is correct |
93 |
Correct |
2 ms |
1880 KB |
Output is correct |
94 |
Correct |
3 ms |
1880 KB |
Output is correct |
95 |
Correct |
2 ms |
1880 KB |
Output is correct |
96 |
Correct |
2 ms |
1880 KB |
Output is correct |
97 |
Correct |
1 ms |
1880 KB |
Output is correct |