#include<bits/stdc++.h>
using namespace std;
#include "prize.h"
//#include "grader.cpp"
int res=-1;
vector<vector<int>>v;
map<vector<int>,set<int>>mp;
void divide(int l,int r){
if(l>r||res!=-1)return;
if(l==r){
v[l]=ask(l);
mp[v[l]].insert(l);
if(v[l][0]+v[l][1]==0)res=l;
return;
}
int md=(l+r)>>1;
if(v[md].size()==0)v[md]=ask(md);
if(v[md][0]+v[md][1]==0)res=md;
mp[v[md]].insert(md);
if(!(mp[v[md]].size()&&*(mp[v[md]].begin())<md)&&v[md][0])divide(l,md-1);
if(!(mp[v[md]].size()&&*(mp[v[md]].rbegin())>md)&&v[md][1])divide(md+1,r);
}
int find_best(int n){
v.clear();
v.resize(n);
mp.clear();
res=-1;
v[0]=ask(0);
v[n-1]=ask(n-1);
mp[v[0]].insert(0);
mp[v[n-1]].insert(n-1);
if(v[0][0]+v[0][1]==0)return 0;
if(v[n-1][0]+v[n-1][1]==0)return n-1;
divide(1,n-2);
return res;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4892 KB |
Output is correct |
2 |
Correct |
3 ms |
4904 KB |
Output is correct |
3 |
Correct |
3 ms |
4896 KB |
Output is correct |
4 |
Correct |
3 ms |
4892 KB |
Output is correct |
5 |
Correct |
3 ms |
4944 KB |
Output is correct |
6 |
Correct |
3 ms |
4904 KB |
Output is correct |
7 |
Correct |
3 ms |
4896 KB |
Output is correct |
8 |
Correct |
3 ms |
4908 KB |
Output is correct |
9 |
Correct |
3 ms |
4892 KB |
Output is correct |
10 |
Correct |
4 ms |
4944 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4892 KB |
Output is correct |
2 |
Correct |
4 ms |
4944 KB |
Output is correct |
3 |
Correct |
3 ms |
4892 KB |
Output is correct |
4 |
Correct |
2 ms |
4904 KB |
Output is correct |
5 |
Correct |
3 ms |
4900 KB |
Output is correct |
6 |
Correct |
3 ms |
4968 KB |
Output is correct |
7 |
Correct |
3 ms |
4900 KB |
Output is correct |
8 |
Correct |
3 ms |
4896 KB |
Output is correct |
9 |
Correct |
2 ms |
4944 KB |
Output is correct |
10 |
Correct |
3 ms |
4944 KB |
Output is correct |
11 |
Correct |
4 ms |
4944 KB |
Output is correct |
12 |
Correct |
3 ms |
4888 KB |
Output is correct |
13 |
Correct |
7 ms |
5040 KB |
Output is correct |
14 |
Correct |
3 ms |
720 KB |
Output is correct |
15 |
Correct |
6 ms |
5024 KB |
Output is correct |
16 |
Correct |
19 ms |
5320 KB |
Output is correct |
17 |
Correct |
3 ms |
4900 KB |
Output is correct |
18 |
Correct |
44 ms |
5396 KB |
Output is correct |
19 |
Correct |
3 ms |
4996 KB |
Output is correct |
20 |
Correct |
11 ms |
2640 KB |
Output is correct |
21 |
Correct |
21 ms |
5036 KB |
Output is correct |
22 |
Correct |
5 ms |
4888 KB |
Output is correct |
23 |
Correct |
2 ms |
4984 KB |
Output is correct |
24 |
Correct |
3 ms |
4888 KB |
Output is correct |
25 |
Correct |
18 ms |
5296 KB |
Output is correct |
26 |
Correct |
24 ms |
5184 KB |
Output is correct |
27 |
Correct |
3 ms |
5012 KB |
Output is correct |
28 |
Correct |
31 ms |
5360 KB |
Output is correct |
29 |
Correct |
34 ms |
5196 KB |
Output is correct |
30 |
Correct |
24 ms |
5416 KB |
Output is correct |
31 |
Correct |
3 ms |
4896 KB |
Output is correct |
32 |
Correct |
5 ms |
5032 KB |
Output is correct |
33 |
Correct |
0 ms |
208 KB |
Output is correct |
34 |
Correct |
9 ms |
5108 KB |
Output is correct |
35 |
Correct |
4 ms |
4944 KB |
Output is correct |
36 |
Correct |
8 ms |
5048 KB |
Output is correct |
37 |
Correct |
3 ms |
5068 KB |
Output is correct |
38 |
Correct |
3 ms |
4896 KB |
Output is correct |
39 |
Correct |
12 ms |
5124 KB |
Output is correct |
40 |
Correct |
41 ms |
5360 KB |
Output is correct |
41 |
Correct |
29 ms |
5160 KB |
Output is correct |
42 |
Correct |
25 ms |
5152 KB |
Output is correct |
43 |
Correct |
28 ms |
5088 KB |
Output is correct |
44 |
Correct |
21 ms |
5060 KB |
Output is correct |
45 |
Correct |
14 ms |
5032 KB |
Output is correct |
46 |
Correct |
3 ms |
4944 KB |
Output is correct |
47 |
Correct |
26 ms |
5064 KB |
Output is correct |
48 |
Correct |
36 ms |
5248 KB |
Output is correct |
49 |
Correct |
7 ms |
5020 KB |
Output is correct |
50 |
Correct |
49 ms |
5340 KB |
Output is correct |
51 |
Correct |
15 ms |
5208 KB |
Output is correct |
52 |
Correct |
4 ms |
4928 KB |
Output is correct |
53 |
Correct |
3 ms |
5060 KB |
Output is correct |
54 |
Correct |
21 ms |
5140 KB |
Output is correct |
55 |
Correct |
4 ms |
4896 KB |
Output is correct |
56 |
Correct |
53 ms |
5320 KB |
Output is correct |
57 |
Correct |
32 ms |
5288 KB |
Output is correct |
58 |
Correct |
39 ms |
5272 KB |
Output is correct |
59 |
Correct |
19 ms |
5188 KB |
Output is correct |
60 |
Correct |
19 ms |
5144 KB |
Output is correct |
61 |
Correct |
5 ms |
4944 KB |
Output is correct |
62 |
Correct |
3 ms |
4900 KB |
Output is correct |
63 |
Correct |
5 ms |
5012 KB |
Output is correct |
64 |
Correct |
3 ms |
4996 KB |
Output is correct |
65 |
Correct |
3 ms |
4892 KB |
Output is correct |
66 |
Correct |
3 ms |
4992 KB |
Output is correct |
67 |
Correct |
3 ms |
4900 KB |
Output is correct |
68 |
Correct |
3 ms |
4936 KB |
Output is correct |
69 |
Correct |
3 ms |
4944 KB |
Output is correct |
70 |
Correct |
3 ms |
4888 KB |
Output is correct |
71 |
Correct |
52 ms |
5436 KB |
Output is correct |
72 |
Correct |
7 ms |
4944 KB |
Output is correct |
73 |
Correct |
54 ms |
5320 KB |
Output is correct |
74 |
Correct |
41 ms |
5348 KB |
Output is correct |
75 |
Correct |
5 ms |
5012 KB |
Output is correct |
76 |
Correct |
40 ms |
5288 KB |
Output is correct |
77 |
Correct |
41 ms |
5340 KB |
Output is correct |
78 |
Correct |
8 ms |
4944 KB |
Output is correct |
79 |
Correct |
19 ms |
5164 KB |
Output is correct |
80 |
Correct |
39 ms |
5420 KB |
Output is correct |
81 |
Correct |
49 ms |
5320 KB |
Output is correct |
82 |
Correct |
40 ms |
5420 KB |
Output is correct |
83 |
Correct |
4 ms |
4904 KB |
Output is correct |
84 |
Correct |
26 ms |
5352 KB |
Output is correct |
85 |
Correct |
40 ms |
5332 KB |
Output is correct |
86 |
Correct |
7 ms |
4944 KB |
Output is correct |
87 |
Correct |
5 ms |
4944 KB |
Output is correct |
88 |
Correct |
8 ms |
5020 KB |
Output is correct |
89 |
Correct |
8 ms |
4944 KB |
Output is correct |
90 |
Correct |
4 ms |
4944 KB |
Output is correct |
91 |
Correct |
5 ms |
4944 KB |
Output is correct |
92 |
Correct |
3 ms |
4944 KB |
Output is correct |
93 |
Correct |
6 ms |
4944 KB |
Output is correct |
94 |
Correct |
4 ms |
5036 KB |
Output is correct |
95 |
Correct |
5 ms |
4944 KB |
Output is correct |
96 |
Correct |
6 ms |
4944 KB |
Output is correct |
97 |
Correct |
3 ms |
4944 KB |
Output is correct |