#include<bits/stdc++.h>
#include "prize.h"
#define MAXN 200007
using namespace std;
int nn,r,res;
vector<int> w;
int solve(int l,int r,int reml,int remr){
if(l>r)return 0;
int mid=(l+r)/2,p;
vector<int> curr;
while(mid<=r){
curr=ask(mid);
if(curr[0]+curr[1]==res)break;
if(curr[0]+curr[1]==0)return mid;
mid++;
}
if(mid==r+1){
mid=(l+r)/2-1;
while(mid>=l){
curr=ask(mid);
if(curr[0]+curr[1]==res)break;
if(curr[0]+curr[1]==0)return mid;
mid--;
}
if(mid==l-1)return 0;
curr[0]-=reml;
if(curr[0]>0){
return solve(l,mid-1,reml,remr+(r-mid));
}
return 0;
}else{
curr[0]-=reml-(mid-(l+r)/2);
curr[1]-=remr;
if(curr[0]>0){
p=solve(l,(l+r)/2-1,reml,remr+curr[1]+(mid-(l+r)/2));
if(p!=0)return p;
}
if(curr[1]>0){
p=solve(mid+1,r,reml+curr[0]+(mid-(l+r)/2),remr);
if(p!=0)return p;
}
return 0;
}
return 0;
}
int find_best(int N){
nn=N;
for(int i=1;i<=1000;i++){
r=rand()%nn; w=ask(r);
res=max(res,w[0]+w[1]);
}
return solve(0,nn-1,0,0);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
288 KB |
Output is correct |
| 2 |
Correct |
7 ms |
208 KB |
Output is correct |
| 3 |
Correct |
10 ms |
208 KB |
Output is correct |
| 4 |
Correct |
8 ms |
208 KB |
Output is correct |
| 5 |
Correct |
5 ms |
296 KB |
Output is correct |
| 6 |
Correct |
7 ms |
292 KB |
Output is correct |
| 7 |
Correct |
11 ms |
208 KB |
Output is correct |
| 8 |
Correct |
9 ms |
208 KB |
Output is correct |
| 9 |
Correct |
7 ms |
292 KB |
Output is correct |
| 10 |
Correct |
8 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
15 ms |
208 KB |
Output is correct |
| 2 |
Correct |
10 ms |
208 KB |
Output is correct |
| 3 |
Correct |
5 ms |
284 KB |
Output is correct |
| 4 |
Correct |
5 ms |
292 KB |
Output is correct |
| 5 |
Correct |
11 ms |
288 KB |
Output is correct |
| 6 |
Correct |
5 ms |
296 KB |
Output is correct |
| 7 |
Correct |
7 ms |
288 KB |
Output is correct |
| 8 |
Correct |
8 ms |
208 KB |
Output is correct |
| 9 |
Correct |
6 ms |
208 KB |
Output is correct |
| 10 |
Correct |
11 ms |
208 KB |
Output is correct |
| 11 |
Correct |
10 ms |
208 KB |
Output is correct |
| 12 |
Correct |
12 ms |
208 KB |
Output is correct |
| 13 |
Correct |
12 ms |
292 KB |
Output is correct |
| 14 |
Correct |
8 ms |
208 KB |
Output is correct |
| 15 |
Correct |
7 ms |
328 KB |
Output is correct |
| 16 |
Correct |
30 ms |
272 KB |
Output is correct |
| 17 |
Correct |
8 ms |
292 KB |
Output is correct |
| 18 |
Partially correct |
61 ms |
208 KB |
Partially correct - number of queries: 5608 |
| 19 |
Correct |
9 ms |
288 KB |
Output is correct |
| 20 |
Correct |
24 ms |
208 KB |
Output is correct |
| 21 |
Correct |
29 ms |
208 KB |
Output is correct |
| 22 |
Correct |
14 ms |
288 KB |
Output is correct |
| 23 |
Correct |
11 ms |
208 KB |
Output is correct |
| 24 |
Correct |
10 ms |
208 KB |
Output is correct |
| 25 |
Correct |
32 ms |
268 KB |
Output is correct |
| 26 |
Correct |
35 ms |
208 KB |
Output is correct |
| 27 |
Correct |
12 ms |
288 KB |
Output is correct |
| 28 |
Correct |
48 ms |
208 KB |
Output is correct |
| 29 |
Correct |
18 ms |
288 KB |
Output is correct |
| 30 |
Partially correct |
22 ms |
336 KB |
Partially correct - number of queries: 5588 |
| 31 |
Correct |
9 ms |
288 KB |
Output is correct |
| 32 |
Correct |
13 ms |
208 KB |
Output is correct |
| 33 |
Correct |
9 ms |
208 KB |
Output is correct |
| 34 |
Correct |
30 ms |
288 KB |
Output is correct |
| 35 |
Correct |
12 ms |
208 KB |
Output is correct |
| 36 |
Correct |
22 ms |
208 KB |
Output is correct |
| 37 |
Correct |
9 ms |
208 KB |
Output is correct |
| 38 |
Correct |
11 ms |
292 KB |
Output is correct |
| 39 |
Correct |
28 ms |
208 KB |
Output is correct |
| 40 |
Partially correct |
55 ms |
208 KB |
Partially correct - number of queries: 5015 |
| 41 |
Correct |
34 ms |
208 KB |
Output is correct |
| 42 |
Correct |
16 ms |
296 KB |
Output is correct |
| 43 |
Correct |
13 ms |
296 KB |
Output is correct |
| 44 |
Correct |
28 ms |
208 KB |
Output is correct |
| 45 |
Correct |
27 ms |
276 KB |
Output is correct |
| 46 |
Correct |
11 ms |
288 KB |
Output is correct |
| 47 |
Correct |
24 ms |
296 KB |
Output is correct |
| 48 |
Correct |
42 ms |
288 KB |
Output is correct |
| 49 |
Correct |
17 ms |
208 KB |
Output is correct |
| 50 |
Partially correct |
75 ms |
288 KB |
Partially correct - number of queries: 5627 |
| 51 |
Correct |
28 ms |
208 KB |
Output is correct |
| 52 |
Correct |
11 ms |
208 KB |
Output is correct |
| 53 |
Correct |
6 ms |
208 KB |
Output is correct |
| 54 |
Correct |
21 ms |
208 KB |
Output is correct |
| 55 |
Correct |
10 ms |
208 KB |
Output is correct |
| 56 |
Partially correct |
34 ms |
208 KB |
Partially correct - number of queries: 5634 |
| 57 |
Correct |
31 ms |
292 KB |
Output is correct |
| 58 |
Correct |
19 ms |
296 KB |
Output is correct |
| 59 |
Correct |
27 ms |
292 KB |
Output is correct |
| 60 |
Correct |
39 ms |
208 KB |
Output is correct |
| 61 |
Correct |
14 ms |
320 KB |
Output is correct |
| 62 |
Correct |
6 ms |
208 KB |
Output is correct |
| 63 |
Correct |
12 ms |
208 KB |
Output is correct |
| 64 |
Correct |
12 ms |
208 KB |
Output is correct |
| 65 |
Correct |
9 ms |
208 KB |
Output is correct |
| 66 |
Correct |
13 ms |
292 KB |
Output is correct |
| 67 |
Correct |
7 ms |
208 KB |
Output is correct |
| 68 |
Correct |
12 ms |
208 KB |
Output is correct |
| 69 |
Correct |
11 ms |
292 KB |
Output is correct |
| 70 |
Correct |
11 ms |
272 KB |
Output is correct |
| 71 |
Partially correct |
55 ms |
208 KB |
Partially correct - number of queries: 5712 |
| 72 |
Correct |
16 ms |
208 KB |
Output is correct |
| 73 |
Partially correct |
62 ms |
208 KB |
Partially correct - number of queries: 5652 |
| 74 |
Partially correct |
53 ms |
208 KB |
Partially correct - number of queries: 5679 |
| 75 |
Correct |
13 ms |
208 KB |
Output is correct |
| 76 |
Partially correct |
42 ms |
208 KB |
Partially correct - number of queries: 5088 |
| 77 |
Partially correct |
58 ms |
208 KB |
Partially correct - number of queries: 5622 |
| 78 |
Correct |
15 ms |
208 KB |
Output is correct |
| 79 |
Correct |
24 ms |
284 KB |
Output is correct |
| 80 |
Partially correct |
45 ms |
208 KB |
Partially correct - number of queries: 5659 |
| 81 |
Partially correct |
45 ms |
208 KB |
Partially correct - number of queries: 5692 |
| 82 |
Partially correct |
43 ms |
288 KB |
Partially correct - number of queries: 5629 |
| 83 |
Correct |
15 ms |
208 KB |
Output is correct |
| 84 |
Correct |
39 ms |
208 KB |
Output is correct |
| 85 |
Partially correct |
36 ms |
208 KB |
Partially correct - number of queries: 5675 |
| 86 |
Correct |
34 ms |
208 KB |
Output is correct |
| 87 |
Correct |
15 ms |
208 KB |
Output is correct |
| 88 |
Correct |
19 ms |
208 KB |
Output is correct |
| 89 |
Correct |
10 ms |
208 KB |
Output is correct |
| 90 |
Correct |
12 ms |
208 KB |
Output is correct |
| 91 |
Correct |
17 ms |
208 KB |
Output is correct |
| 92 |
Correct |
35 ms |
208 KB |
Output is correct |
| 93 |
Partially correct |
48 ms |
208 KB |
Partially correct - number of queries: 5019 |
| 94 |
Partially correct |
61 ms |
208 KB |
Partially correct - number of queries: 5245 |
| 95 |
Partially correct |
47 ms |
208 KB |
Partially correct - number of queries: 5241 |
| 96 |
Partially correct |
50 ms |
208 KB |
Partially correct - number of queries: 5201 |
| 97 |
Correct |
51 ms |
208 KB |
Output is correct |
