#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
mt19937 rng(time(0));
int find_best(int n){
int ct=50,V=n;
while(ct--){
int x=rng()%n;
vector<int>tmp=ask(x);
if(n-(tmp[0]+tmp[1])<V) V=n-(tmp[0]+tmp[1]);
}
int res=-1;
set<int>st;
st.insert(-1),st.insert(n);
auto it=st.begin();
int sajz=0;
while(it!=st.end()){
auto it2=it;
int i=*it;
if(res!=-1 && res==i) break;
it++;
if(it==st.end()) break;
int j=*it;
int l=i+1,r=j-1;
while(l<=r){
int mid=(l+r)/2;
vector<int>tmp=ask(mid);
if(n-tmp[0]-tmp[1]!=V){
if(tmp[0]==0 && tmp[1]==0) res=mid;
st.insert(mid);
r=mid-1;
continue;
}
if(tmp[0]>=1+sajz) r=mid-1;
else l=mid+1;
}
it=it2;
it++;
sajz++;
}
/*for(int i = 0; i < n; i++) {
std::vector<int> res = ask(i);
if(res[0] + res[1] == 0)
return i;
}*/
return res;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
600 KB |
Output is correct |
| 3 |
Correct |
1 ms |
344 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
596 KB |
Output is correct |
| 6 |
Correct |
1 ms |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
344 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
432 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 ms |
344 KB |
Output is correct |
| 4 |
Correct |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
1 ms |
596 KB |
Output is correct |
| 6 |
Correct |
1 ms |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
2 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
344 KB |
Output is correct |
| 13 |
Correct |
2 ms |
600 KB |
Output is correct |
| 14 |
Correct |
2 ms |
344 KB |
Output is correct |
| 15 |
Correct |
5 ms |
440 KB |
Output is correct |
| 16 |
Partially correct |
34 ms |
676 KB |
Partially correct - number of queries: 6591 |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Partially correct |
37 ms |
692 KB |
Partially correct - number of queries: 7719 |
| 19 |
Correct |
1 ms |
344 KB |
Output is correct |
| 20 |
Correct |
13 ms |
436 KB |
Output is correct |
| 21 |
Correct |
10 ms |
692 KB |
Output is correct |
| 22 |
Correct |
3 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
436 KB |
Output is correct |
| 24 |
Correct |
1 ms |
344 KB |
Output is correct |
| 25 |
Correct |
17 ms |
436 KB |
Output is correct |
| 26 |
Correct |
23 ms |
608 KB |
Output is correct |
| 27 |
Correct |
1 ms |
344 KB |
Output is correct |
| 28 |
Partially correct |
28 ms |
696 KB |
Partially correct - number of queries: 6483 |
| 29 |
Correct |
22 ms |
696 KB |
Output is correct |
| 30 |
Partially correct |
36 ms |
440 KB |
Partially correct - number of queries: 7644 |
| 31 |
Correct |
1 ms |
344 KB |
Output is correct |
| 32 |
Correct |
2 ms |
344 KB |
Output is correct |
| 33 |
Correct |
1 ms |
344 KB |
Output is correct |
| 34 |
Correct |
13 ms |
440 KB |
Output is correct |
| 35 |
Correct |
1 ms |
344 KB |
Output is correct |
| 36 |
Correct |
8 ms |
440 KB |
Output is correct |
| 37 |
Correct |
1 ms |
344 KB |
Output is correct |
| 38 |
Correct |
1 ms |
544 KB |
Output is correct |
| 39 |
Correct |
13 ms |
444 KB |
Output is correct |
| 40 |
Partially correct |
27 ms |
692 KB |
Partially correct - number of queries: 6541 |
| 41 |
Correct |
23 ms |
444 KB |
Output is correct |
| 42 |
Correct |
24 ms |
448 KB |
Output is correct |
| 43 |
Correct |
17 ms |
676 KB |
Output is correct |
| 44 |
Correct |
17 ms |
680 KB |
Output is correct |
| 45 |
Correct |
11 ms |
444 KB |
Output is correct |
| 46 |
Correct |
1 ms |
344 KB |
Output is correct |
| 47 |
Correct |
14 ms |
692 KB |
Output is correct |
| 48 |
Partially correct |
29 ms |
440 KB |
Partially correct - number of queries: 5739 |
| 49 |
Correct |
4 ms |
344 KB |
Output is correct |
| 50 |
Partially correct |
37 ms |
696 KB |
Partially correct - number of queries: 7713 |
| 51 |
Correct |
12 ms |
444 KB |
Output is correct |
| 52 |
Correct |
1 ms |
344 KB |
Output is correct |
| 53 |
Correct |
1 ms |
344 KB |
Output is correct |
| 54 |
Correct |
13 ms |
440 KB |
Output is correct |
| 55 |
Correct |
1 ms |
344 KB |
Output is correct |
| 56 |
Partially correct |
41 ms |
696 KB |
Partially correct - number of queries: 7712 |
| 57 |
Partially correct |
24 ms |
676 KB |
Partially correct - number of queries: 5614 |
| 58 |
Correct |
20 ms |
696 KB |
Output is correct |
| 59 |
Correct |
22 ms |
448 KB |
Output is correct |
| 60 |
Correct |
19 ms |
440 KB |
Output is correct |
| 61 |
Correct |
2 ms |
756 KB |
Output is correct |
| 62 |
Correct |
1 ms |
344 KB |
Output is correct |
| 63 |
Correct |
1 ms |
344 KB |
Output is correct |
| 64 |
Correct |
1 ms |
344 KB |
Output is correct |
| 65 |
Correct |
1 ms |
344 KB |
Output is correct |
| 66 |
Correct |
2 ms |
712 KB |
Output is correct |
| 67 |
Correct |
1 ms |
344 KB |
Output is correct |
| 68 |
Correct |
3 ms |
960 KB |
Output is correct |
| 69 |
Correct |
2 ms |
700 KB |
Output is correct |
| 70 |
Correct |
1 ms |
344 KB |
Output is correct |
| 71 |
Partially correct |
34 ms |
688 KB |
Partially correct - number of queries: 7924 |
| 72 |
Correct |
6 ms |
344 KB |
Output is correct |
| 73 |
Partially correct |
40 ms |
444 KB |
Partially correct - number of queries: 7812 |
| 74 |
Partially correct |
40 ms |
444 KB |
Partially correct - number of queries: 7862 |
| 75 |
Correct |
1 ms |
344 KB |
Output is correct |
| 76 |
Partially correct |
31 ms |
440 KB |
Partially correct - number of queries: 6733 |
| 77 |
Partially correct |
37 ms |
600 KB |
Partially correct - number of queries: 7353 |
| 78 |
Correct |
3 ms |
344 KB |
Output is correct |
| 79 |
Correct |
15 ms |
444 KB |
Output is correct |
| 80 |
Partially correct |
35 ms |
696 KB |
Partially correct - number of queries: 7625 |
| 81 |
Partially correct |
40 ms |
936 KB |
Partially correct - number of queries: 7354 |
| 82 |
Partially correct |
36 ms |
932 KB |
Partially correct - number of queries: 7140 |
| 83 |
Correct |
1 ms |
344 KB |
Output is correct |
| 84 |
Partially correct |
37 ms |
1196 KB |
Partially correct - number of queries: 6111 |
| 85 |
Partially correct |
29 ms |
952 KB |
Partially correct - number of queries: 7005 |
| 86 |
Incorrect |
6 ms |
976 KB |
Integer -1 violates the range [0, 199999] |
| 87 |
Halted |
0 ms |
0 KB |
- |
