#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> ans[210000];
int mx = -1, ll, rr, Q = -1;
int find(int l, int r, int q){
if(Q != -1){
return 0;
}
if(ans[l][0] == ans[r][0]){
return 0;
}
if(ll > r || rr < l){
return 0;
}
int m = (l + r) >> 1, L = m, R = m + 1;
while(l < L){
if(L < ll){
break;
}
ans[L] =ask(L);
if(ans[L][0] + ans[L][1] == mx){
break;
}
if(ans[L][0] + ans[L][1] == 0){
Q = L;
return L;
}
if(ans[L][0] == 0){
ll = L + 1;
break;
}
L--;
}
while(r > R){
if(R > rr){
break;
}
ans[R] =ask(R);
if(ans[R][0] + ans[R][1] == mx){
break;
}
if(ans[R][0] + ans[R][1] == 0){
Q = R;
return R;
}
if(ans[R][1] == 0){
rr = R - 1;
break;
}
R++;
}
if(q == 1){
return max(find(l, L, 0), find(R, r, 0));
}
return max(find(l, L, 1), find(R, r, 1));
}
int find_best(int n) {
ll = 0;
rr = n - 1;
for(int i = 0; i < 448; i++){
ans[i] = ask(i);
if(ans[i][0] + ans[i][1] == 0){
return i;
}
mx = max(mx, ans[i][0] + ans[i][1]);
}
int l = 0, r = n - 1;
while(true){
if(ans[l][0] + ans[l][1] == mx){
break;
}
l++;
}
while(true){
ans[r] = ask(r);
if(ans[r][0] + ans[r][1] == mx){
break;
}
if(ans[r][0] + ans[r][1] == 0){
return r;
}
r--;
}
return find(l, r, 0);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
5156 KB |
Output is correct |
| 2 |
Correct |
9 ms |
5316 KB |
Output is correct |
| 3 |
Correct |
11 ms |
5336 KB |
Output is correct |
| 4 |
Correct |
15 ms |
5364 KB |
Output is correct |
| 5 |
Correct |
12 ms |
5440 KB |
Output is correct |
| 6 |
Correct |
7 ms |
5440 KB |
Output is correct |
| 7 |
Correct |
10 ms |
5532 KB |
Output is correct |
| 8 |
Correct |
14 ms |
5532 KB |
Output is correct |
| 9 |
Correct |
10 ms |
5532 KB |
Output is correct |
| 10 |
Correct |
13 ms |
5532 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
5532 KB |
Output is correct |
| 2 |
Correct |
12 ms |
5532 KB |
Output is correct |
| 3 |
Correct |
11 ms |
5532 KB |
Output is correct |
| 4 |
Correct |
15 ms |
5532 KB |
Output is correct |
| 5 |
Correct |
10 ms |
5532 KB |
Output is correct |
| 6 |
Correct |
7 ms |
5532 KB |
Output is correct |
| 7 |
Correct |
11 ms |
5532 KB |
Output is correct |
| 8 |
Correct |
13 ms |
5580 KB |
Output is correct |
| 9 |
Correct |
14 ms |
5580 KB |
Output is correct |
| 10 |
Correct |
11 ms |
5580 KB |
Output is correct |
| 11 |
Correct |
16 ms |
5580 KB |
Output is correct |
| 12 |
Correct |
14 ms |
5580 KB |
Output is correct |
| 13 |
Correct |
14 ms |
5580 KB |
Output is correct |
| 14 |
Correct |
34 ms |
5580 KB |
Output is correct |
| 15 |
Partially correct |
53 ms |
5584 KB |
Partially correct - number of queries: 6312 |
| 16 |
Correct |
23 ms |
5584 KB |
Output is correct |
| 17 |
Correct |
13 ms |
5584 KB |
Output is correct |
| 18 |
Correct |
13 ms |
5584 KB |
Output is correct |
| 19 |
Partially correct |
85 ms |
5692 KB |
Partially correct - number of queries: 7570 |
| 20 |
Correct |
36 ms |
5692 KB |
Output is correct |
| 21 |
Partially correct |
58 ms |
5692 KB |
Partially correct - number of queries: 5196 |
| 22 |
Partially correct |
60 ms |
5700 KB |
Partially correct - number of queries: 5661 |
| 23 |
Correct |
17 ms |
5700 KB |
Output is correct |
| 24 |
Correct |
23 ms |
5700 KB |
Output is correct |
| 25 |
Correct |
38 ms |
5700 KB |
Output is correct |
| 26 |
Correct |
39 ms |
5700 KB |
Output is correct |
| 27 |
Correct |
9 ms |
5700 KB |
Output is correct |
| 28 |
Correct |
14 ms |
5700 KB |
Output is correct |
| 29 |
Correct |
27 ms |
5700 KB |
Output is correct |
| 30 |
Correct |
9 ms |
5700 KB |
Output is correct |
| 31 |
Correct |
15 ms |
5700 KB |
Output is correct |
| 32 |
Correct |
18 ms |
5700 KB |
Output is correct |
| 33 |
Correct |
7 ms |
5700 KB |
Output is correct |
| 34 |
Partially correct |
85 ms |
5700 KB |
Partially correct - number of queries: 5670 |
| 35 |
Correct |
12 ms |
5700 KB |
Output is correct |
| 36 |
Partially correct |
40 ms |
5700 KB |
Partially correct - number of queries: 6356 |
| 37 |
Correct |
25 ms |
5700 KB |
Output is correct |
| 38 |
Correct |
17 ms |
5700 KB |
Output is correct |
| 39 |
Correct |
40 ms |
5700 KB |
Output is correct |
| 40 |
Correct |
13 ms |
5700 KB |
Output is correct |
| 41 |
Correct |
39 ms |
5700 KB |
Output is correct |
| 42 |
Correct |
37 ms |
5700 KB |
Output is correct |
| 43 |
Correct |
42 ms |
5700 KB |
Output is correct |
| 44 |
Partially correct |
35 ms |
5704 KB |
Partially correct - number of queries: 5025 |
| 45 |
Partially correct |
50 ms |
5704 KB |
Partially correct - number of queries: 5060 |
| 46 |
Correct |
13 ms |
5704 KB |
Output is correct |
| 47 |
Correct |
53 ms |
5704 KB |
Output is correct |
| 48 |
Correct |
36 ms |
5704 KB |
Output is correct |
| 49 |
Partially correct |
92 ms |
5704 KB |
Partially correct - number of queries: 7431 |
| 50 |
Correct |
17 ms |
5704 KB |
Output is correct |
| 51 |
Partially correct |
36 ms |
5768 KB |
Partially correct - number of queries: 5042 |
| 52 |
Partially correct |
116 ms |
5768 KB |
Partially correct - number of queries: 7944 |
| 53 |
Correct |
9 ms |
5768 KB |
Output is correct |
| 54 |
Correct |
71 ms |
5768 KB |
Output is correct |
| 55 |
Correct |
14 ms |
5768 KB |
Output is correct |
| 56 |
Correct |
16 ms |
5768 KB |
Output is correct |
| 57 |
Correct |
46 ms |
5768 KB |
Output is correct |
| 58 |
Correct |
25 ms |
5768 KB |
Output is correct |
| 59 |
Correct |
37 ms |
5768 KB |
Output is correct |
| 60 |
Correct |
23 ms |
5768 KB |
Output is correct |
| 61 |
Correct |
10 ms |
5768 KB |
Output is correct |
| 62 |
Correct |
16 ms |
5768 KB |
Output is correct |
| 63 |
Correct |
8 ms |
5768 KB |
Output is correct |
| 64 |
Correct |
12 ms |
5768 KB |
Output is correct |
| 65 |
Correct |
13 ms |
5768 KB |
Output is correct |
| 66 |
Correct |
12 ms |
5768 KB |
Output is correct |
| 67 |
Correct |
16 ms |
5768 KB |
Output is correct |
| 68 |
Correct |
11 ms |
5768 KB |
Output is correct |
| 69 |
Correct |
14 ms |
5768 KB |
Output is correct |
| 70 |
Correct |
23 ms |
5768 KB |
Output is correct |
| 71 |
Partially correct |
96 ms |
5768 KB |
Partially correct - number of queries: 8551 |
| 72 |
Correct |
19 ms |
5768 KB |
Output is correct |
| 73 |
Partially correct |
90 ms |
5768 KB |
Partially correct - number of queries: 8446 |
| 74 |
Partially correct |
90 ms |
5768 KB |
Partially correct - number of queries: 8491 |
| 75 |
Correct |
12 ms |
5768 KB |
Output is correct |
| 76 |
Partially correct |
63 ms |
5768 KB |
Partially correct - number of queries: 7471 |
| 77 |
Partially correct |
74 ms |
5768 KB |
Partially correct - number of queries: 7678 |
| 78 |
Correct |
18 ms |
5768 KB |
Output is correct |
| 79 |
Correct |
34 ms |
5768 KB |
Output is correct |
| 80 |
Partially correct |
71 ms |
5768 KB |
Partially correct - number of queries: 7696 |
| 81 |
Partially correct |
89 ms |
5768 KB |
Partially correct - number of queries: 7673 |
| 82 |
Partially correct |
71 ms |
5768 KB |
Partially correct - number of queries: 7719 |
| 83 |
Correct |
10 ms |
5768 KB |
Output is correct |
| 84 |
Partially correct |
62 ms |
5820 KB |
Partially correct - number of queries: 6491 |
| 85 |
Partially correct |
81 ms |
5820 KB |
Partially correct - number of queries: 7709 |
| 86 |
Incorrect |
60 ms |
5820 KB |
Incorrect |
| 87 |
Halted |
0 ms |
0 KB |
- |
