#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<=700;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 |
7 ms |
292 KB |
Output is correct |
2 |
Correct |
3 ms |
344 KB |
Output is correct |
3 |
Correct |
5 ms |
208 KB |
Output is correct |
4 |
Correct |
7 ms |
208 KB |
Output is correct |
5 |
Correct |
8 ms |
208 KB |
Output is correct |
6 |
Correct |
6 ms |
208 KB |
Output is correct |
7 |
Correct |
7 ms |
208 KB |
Output is correct |
8 |
Correct |
7 ms |
208 KB |
Output is correct |
9 |
Correct |
5 ms |
208 KB |
Output is correct |
10 |
Correct |
9 ms |
208 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
208 KB |
Output is correct |
2 |
Correct |
3 ms |
336 KB |
Output is correct |
3 |
Correct |
8 ms |
292 KB |
Output is correct |
4 |
Correct |
9 ms |
276 KB |
Output is correct |
5 |
Correct |
4 ms |
296 KB |
Output is correct |
6 |
Correct |
8 ms |
208 KB |
Output is correct |
7 |
Correct |
4 ms |
336 KB |
Output is correct |
8 |
Correct |
5 ms |
208 KB |
Output is correct |
9 |
Correct |
9 ms |
296 KB |
Output is correct |
10 |
Correct |
5 ms |
208 KB |
Output is correct |
11 |
Correct |
7 ms |
208 KB |
Output is correct |
12 |
Correct |
7 ms |
208 KB |
Output is correct |
13 |
Correct |
9 ms |
208 KB |
Output is correct |
14 |
Correct |
8 ms |
208 KB |
Output is correct |
15 |
Correct |
8 ms |
336 KB |
Output is correct |
16 |
Correct |
52 ms |
208 KB |
Output is correct |
17 |
Correct |
5 ms |
208 KB |
Output is correct |
18 |
Partially correct |
49 ms |
296 KB |
Partially correct - number of queries: 5308 |
19 |
Correct |
6 ms |
336 KB |
Output is correct |
20 |
Correct |
29 ms |
208 KB |
Output is correct |
21 |
Correct |
11 ms |
276 KB |
Output is correct |
22 |
Correct |
10 ms |
296 KB |
Output is correct |
23 |
Correct |
7 ms |
292 KB |
Output is correct |
24 |
Correct |
5 ms |
292 KB |
Output is correct |
25 |
Correct |
22 ms |
208 KB |
Output is correct |
26 |
Correct |
32 ms |
288 KB |
Output is correct |
27 |
Correct |
6 ms |
208 KB |
Output is correct |
28 |
Correct |
47 ms |
208 KB |
Output is correct |
29 |
Correct |
41 ms |
208 KB |
Output is correct |
30 |
Partially correct |
43 ms |
300 KB |
Partially correct - number of queries: 5288 |
31 |
Correct |
6 ms |
208 KB |
Output is correct |
32 |
Correct |
15 ms |
288 KB |
Output is correct |
33 |
Correct |
12 ms |
208 KB |
Output is correct |
34 |
Correct |
19 ms |
288 KB |
Output is correct |
35 |
Correct |
9 ms |
288 KB |
Output is correct |
36 |
Correct |
19 ms |
208 KB |
Output is correct |
37 |
Correct |
8 ms |
208 KB |
Output is correct |
38 |
Correct |
5 ms |
208 KB |
Output is correct |
39 |
Correct |
27 ms |
208 KB |
Output is correct |
40 |
Correct |
37 ms |
208 KB |
Output is correct |
41 |
Correct |
32 ms |
208 KB |
Output is correct |
42 |
Correct |
35 ms |
296 KB |
Output is correct |
43 |
Correct |
34 ms |
208 KB |
Output is correct |
44 |
Correct |
22 ms |
208 KB |
Output is correct |
45 |
Correct |
21 ms |
208 KB |
Output is correct |
46 |
Correct |
7 ms |
208 KB |
Output is correct |
47 |
Correct |
19 ms |
288 KB |
Output is correct |
48 |
Correct |
33 ms |
284 KB |
Output is correct |
49 |
Correct |
8 ms |
288 KB |
Output is correct |
50 |
Partially correct |
53 ms |
292 KB |
Partially correct - number of queries: 5327 |
51 |
Correct |
26 ms |
280 KB |
Output is correct |
52 |
Correct |
9 ms |
208 KB |
Output is correct |
53 |
Correct |
7 ms |
208 KB |
Output is correct |
54 |
Correct |
28 ms |
208 KB |
Output is correct |
55 |
Correct |
8 ms |
208 KB |
Output is correct |
56 |
Partially correct |
21 ms |
272 KB |
Partially correct - number of queries: 5334 |
57 |
Correct |
43 ms |
208 KB |
Output is correct |
58 |
Correct |
31 ms |
296 KB |
Output is correct |
59 |
Correct |
34 ms |
208 KB |
Output is correct |
60 |
Correct |
13 ms |
292 KB |
Output is correct |
61 |
Correct |
12 ms |
208 KB |
Output is correct |
62 |
Correct |
8 ms |
208 KB |
Output is correct |
63 |
Correct |
9 ms |
208 KB |
Output is correct |
64 |
Correct |
9 ms |
208 KB |
Output is correct |
65 |
Correct |
10 ms |
296 KB |
Output is correct |
66 |
Correct |
13 ms |
292 KB |
Output is correct |
67 |
Correct |
13 ms |
208 KB |
Output is correct |
68 |
Correct |
8 ms |
208 KB |
Output is correct |
69 |
Correct |
8 ms |
208 KB |
Output is correct |
70 |
Correct |
13 ms |
292 KB |
Output is correct |
71 |
Partially correct |
59 ms |
208 KB |
Partially correct - number of queries: 5424 |
72 |
Correct |
8 ms |
208 KB |
Output is correct |
73 |
Partially correct |
33 ms |
208 KB |
Partially correct - number of queries: 5363 |
74 |
Partially correct |
56 ms |
208 KB |
Partially correct - number of queries: 5390 |
75 |
Correct |
4 ms |
208 KB |
Output is correct |
76 |
Correct |
40 ms |
292 KB |
Output is correct |
77 |
Partially correct |
44 ms |
208 KB |
Partially correct - number of queries: 5352 |
78 |
Correct |
8 ms |
208 KB |
Output is correct |
79 |
Correct |
34 ms |
208 KB |
Output is correct |
80 |
Partially correct |
54 ms |
208 KB |
Partially correct - number of queries: 5404 |
81 |
Partially correct |
56 ms |
208 KB |
Partially correct - number of queries: 5330 |
82 |
Partially correct |
39 ms |
208 KB |
Partially correct - number of queries: 5323 |
83 |
Correct |
9 ms |
208 KB |
Output is correct |
84 |
Correct |
36 ms |
208 KB |
Output is correct |
85 |
Partially correct |
34 ms |
208 KB |
Partially correct - number of queries: 5385 |
86 |
Correct |
33 ms |
208 KB |
Output is correct |
87 |
Correct |
10 ms |
208 KB |
Output is correct |
88 |
Correct |
15 ms |
208 KB |
Output is correct |
89 |
Correct |
13 ms |
208 KB |
Output is correct |
90 |
Correct |
8 ms |
208 KB |
Output is correct |
91 |
Correct |
11 ms |
208 KB |
Output is correct |
92 |
Correct |
23 ms |
208 KB |
Output is correct |
93 |
Correct |
33 ms |
208 KB |
Output is correct |
94 |
Correct |
44 ms |
208 KB |
Output is correct |
95 |
Correct |
52 ms |
208 KB |
Output is correct |
96 |
Correct |
48 ms |
208 KB |
Output is correct |
97 |
Correct |
27 ms |
208 KB |
Output is correct |