#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
const int MX=200010;
bool up[MX];
int L[MX], R[MX], sum, n, ans;
void my_ask(int i){
static set<int> S;
if(S.find(i)!=S.end()) return;
S.insert(i);
vi now=ask(i);
L[i]=now[0], R[i]=now[1];
}
void search(int s, int e, int lc, int rc){
if(s>e) return;
int m=(s+e)/2;
for(int i=m; i<=e; i++){
my_ask(i);
if(L[i]+R[i]==0){ ans=i; return; }
if(L[i]+R[i]==sum){
if(lc<L[i]-(i-m)) search(s,m-1,lc,R[i]+i-m);
if(rc<R[i]) search(i+1,e,L[i],rc);
return;
}
}
for(int i=m; i>=s; i--){
my_ask(i);
if(L[i]+R[i]==0){ ans=i; return; }
if(L[i]+R[i]==sum){
if(lc<L[i]) search(s,i-1,lc,R[i]);
return;
}
}
}
void get(){
for(int i=0; i<min(410, n); i++){
my_ask(i);
sum=max(sum, L[i]+R[i]);
}
}
int find_best(int _n){
n=_n;
get();
ans=-1;
search(0,n-1,0,0);
assert(ans>=0);
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
436 KB |
Output is correct |
| 3 |
Correct |
6 ms |
512 KB |
Output is correct |
| 4 |
Correct |
8 ms |
512 KB |
Output is correct |
| 5 |
Correct |
7 ms |
528 KB |
Output is correct |
| 6 |
Correct |
5 ms |
588 KB |
Output is correct |
| 7 |
Correct |
8 ms |
588 KB |
Output is correct |
| 8 |
Correct |
6 ms |
588 KB |
Output is correct |
| 9 |
Correct |
8 ms |
588 KB |
Output is correct |
| 10 |
Correct |
7 ms |
588 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
588 KB |
Output is correct |
| 2 |
Correct |
6 ms |
688 KB |
Output is correct |
| 3 |
Correct |
4 ms |
688 KB |
Output is correct |
| 4 |
Correct |
5 ms |
688 KB |
Output is correct |
| 5 |
Correct |
7 ms |
688 KB |
Output is correct |
| 6 |
Correct |
9 ms |
688 KB |
Output is correct |
| 7 |
Correct |
7 ms |
700 KB |
Output is correct |
| 8 |
Correct |
8 ms |
700 KB |
Output is correct |
| 9 |
Correct |
6 ms |
700 KB |
Output is correct |
| 10 |
Correct |
7 ms |
700 KB |
Output is correct |
| 11 |
Correct |
12 ms |
1468 KB |
Output is correct |
| 12 |
Correct |
14 ms |
1468 KB |
Output is correct |
| 13 |
Correct |
14 ms |
1468 KB |
Output is correct |
| 14 |
Correct |
18 ms |
1468 KB |
Output is correct |
| 15 |
Correct |
41 ms |
2336 KB |
Output is correct |
| 16 |
Correct |
40 ms |
2344 KB |
Output is correct |
| 17 |
Correct |
44 ms |
2344 KB |
Output is correct |
| 18 |
Correct |
56 ms |
2452 KB |
Output is correct |
| 19 |
Correct |
59 ms |
2452 KB |
Output is correct |
| 20 |
Correct |
35 ms |
2452 KB |
Output is correct |
| 21 |
Correct |
42 ms |
2452 KB |
Output is correct |
| 22 |
Correct |
45 ms |
2452 KB |
Output is correct |
| 23 |
Correct |
4 ms |
2452 KB |
Output is correct |
| 24 |
Correct |
11 ms |
2452 KB |
Output is correct |
| 25 |
Correct |
60 ms |
2452 KB |
Output is correct |
| 26 |
Correct |
49 ms |
2452 KB |
Output is correct |
| 27 |
Correct |
10 ms |
2452 KB |
Output is correct |
| 28 |
Correct |
31 ms |
2452 KB |
Output is correct |
| 29 |
Correct |
45 ms |
2452 KB |
Output is correct |
| 30 |
Correct |
41 ms |
2452 KB |
Output is correct |
| 31 |
Correct |
41 ms |
2452 KB |
Output is correct |
| 32 |
Correct |
14 ms |
2452 KB |
Output is correct |
| 33 |
Correct |
6 ms |
2452 KB |
Output is correct |
| 34 |
Correct |
43 ms |
2452 KB |
Output is correct |
| 35 |
Correct |
5 ms |
2452 KB |
Output is correct |
| 36 |
Correct |
45 ms |
2452 KB |
Output is correct |
| 37 |
Correct |
6 ms |
2452 KB |
Output is correct |
| 38 |
Correct |
7 ms |
2452 KB |
Output is correct |
| 39 |
Correct |
43 ms |
2452 KB |
Output is correct |
| 40 |
Correct |
21 ms |
2452 KB |
Output is correct |
| 41 |
Correct |
32 ms |
2452 KB |
Output is correct |
| 42 |
Correct |
29 ms |
2452 KB |
Output is correct |
| 43 |
Correct |
26 ms |
2452 KB |
Output is correct |
| 44 |
Correct |
33 ms |
2452 KB |
Output is correct |
| 45 |
Correct |
39 ms |
2452 KB |
Output is correct |
| 46 |
Correct |
37 ms |
2452 KB |
Output is correct |
| 47 |
Correct |
22 ms |
2452 KB |
Output is correct |
| 48 |
Correct |
38 ms |
2452 KB |
Output is correct |
| 49 |
Correct |
42 ms |
2452 KB |
Output is correct |
| 50 |
Correct |
34 ms |
2452 KB |
Output is correct |
| 51 |
Correct |
47 ms |
2452 KB |
Output is correct |
| 52 |
Correct |
40 ms |
2452 KB |
Output is correct |
| 53 |
Correct |
4 ms |
2452 KB |
Output is correct |
| 54 |
Correct |
35 ms |
2452 KB |
Output is correct |
| 55 |
Correct |
33 ms |
2452 KB |
Output is correct |
| 56 |
Correct |
42 ms |
2452 KB |
Output is correct |
| 57 |
Correct |
40 ms |
2452 KB |
Output is correct |
| 58 |
Correct |
63 ms |
2452 KB |
Output is correct |
| 59 |
Correct |
24 ms |
2452 KB |
Output is correct |
| 60 |
Correct |
48 ms |
2452 KB |
Output is correct |
| 61 |
Correct |
5 ms |
2452 KB |
Output is correct |
| 62 |
Correct |
7 ms |
2452 KB |
Output is correct |
| 63 |
Correct |
4 ms |
2452 KB |
Output is correct |
| 64 |
Correct |
6 ms |
2452 KB |
Output is correct |
| 65 |
Correct |
5 ms |
2452 KB |
Output is correct |
| 66 |
Correct |
8 ms |
2452 KB |
Output is correct |
| 67 |
Correct |
5 ms |
2452 KB |
Output is correct |
| 68 |
Incorrect |
95 ms |
2452 KB |
Incorrect |
| 69 |
Halted |
0 ms |
0 KB |
- |
