#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
bool asked[200000];
int L[200000], R[200000];
int v, N;
vector<int> previous_queries;
void Ask(int i)
{
if (asked[i]) return;
asked[i] = true;
previous_queries.push_back(i);
vector<int> res = ask(i);
L[i] = res[0], R[i] = res[1];
}
int find_best(int n)
{
memset(asked, false, sizeof(asked));
N = n;
int i = 0;
while (i < n)
{
Ask(i);
if (L[i] + R[i] == 0)
return i;
for (int j = 18; j >= 0; j--)
if (i + (1 << j) < n)
{
bool bad_query = false;
for (int x : previous_queries)
if (i <= x && x <= i + (1 << j) && (L[x] != L[i] || R[x] != R[i]))
{
bad_query = true;
break;
}
if (bad_query) continue;
Ask(i + (1 << j));
if (L[i + (1 << j)] + R[i + (1 << j)] == 0)
return i + (1 << j);
if (L[i + (1 << j)] == L[i] && R[i + (1 << j)] == R[i])
i += (1 << j);
}
i++;
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
548 KB |
Output is correct |
| 2 |
Correct |
1 ms |
504 KB |
Output is correct |
| 3 |
Correct |
1 ms |
464 KB |
Output is correct |
| 4 |
Correct |
0 ms |
464 KB |
Output is correct |
| 5 |
Correct |
1 ms |
464 KB |
Output is correct |
| 6 |
Correct |
1 ms |
496 KB |
Output is correct |
| 7 |
Correct |
1 ms |
464 KB |
Output is correct |
| 8 |
Correct |
1 ms |
500 KB |
Output is correct |
| 9 |
Correct |
0 ms |
512 KB |
Output is correct |
| 10 |
Correct |
1 ms |
464 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
560 KB |
Output is correct |
| 2 |
Correct |
1 ms |
556 KB |
Output is correct |
| 3 |
Correct |
1 ms |
464 KB |
Output is correct |
| 4 |
Correct |
1 ms |
464 KB |
Output is correct |
| 5 |
Correct |
1 ms |
564 KB |
Output is correct |
| 6 |
Correct |
1 ms |
428 KB |
Output is correct |
| 7 |
Correct |
1 ms |
508 KB |
Output is correct |
| 8 |
Correct |
1 ms |
560 KB |
Output is correct |
| 9 |
Correct |
1 ms |
464 KB |
Output is correct |
| 10 |
Correct |
1 ms |
464 KB |
Output is correct |
| 11 |
Correct |
3 ms |
936 KB |
Output is correct |
| 12 |
Correct |
1 ms |
504 KB |
Output is correct |
| 13 |
Correct |
6 ms |
1504 KB |
Output is correct |
| 14 |
Correct |
3 ms |
464 KB |
Output is correct |
| 15 |
Correct |
3 ms |
712 KB |
Output is correct |
| 16 |
Correct |
61 ms |
1820 KB |
Output is correct |
| 17 |
Correct |
1 ms |
464 KB |
Output is correct |
| 18 |
Partially correct |
70 ms |
2112 KB |
Partially correct - number of queries: 5304 |
| 19 |
Correct |
1 ms |
504 KB |
Output is correct |
| 20 |
Correct |
10 ms |
720 KB |
Output is correct |
| 21 |
Correct |
17 ms |
1064 KB |
Output is correct |
| 22 |
Correct |
2 ms |
660 KB |
Output is correct |
| 23 |
Correct |
1 ms |
564 KB |
Output is correct |
| 24 |
Correct |
1 ms |
504 KB |
Output is correct |
| 25 |
Correct |
31 ms |
1360 KB |
Output is correct |
| 26 |
Correct |
34 ms |
1284 KB |
Output is correct |
| 27 |
Correct |
1 ms |
624 KB |
Output is correct |
| 28 |
Correct |
78 ms |
1960 KB |
Output is correct |
| 29 |
Correct |
33 ms |
1784 KB |
Output is correct |
| 30 |
Partially correct |
55 ms |
1992 KB |
Partially correct - number of queries: 5169 |
| 31 |
Correct |
1 ms |
560 KB |
Output is correct |
| 32 |
Correct |
2 ms |
1200 KB |
Output is correct |
| 33 |
Correct |
1 ms |
464 KB |
Output is correct |
| 34 |
Correct |
9 ms |
968 KB |
Output is correct |
| 35 |
Correct |
2 ms |
720 KB |
Output is correct |
| 36 |
Correct |
7 ms |
860 KB |
Output is correct |
| 37 |
Correct |
1 ms |
680 KB |
Output is correct |
| 38 |
Correct |
1 ms |
464 KB |
Output is correct |
| 39 |
Correct |
23 ms |
1204 KB |
Output is correct |
| 40 |
Correct |
48 ms |
2084 KB |
Output is correct |
| 41 |
Correct |
28 ms |
1400 KB |
Output is correct |
| 42 |
Correct |
33 ms |
1440 KB |
Output is correct |
| 43 |
Correct |
18 ms |
1308 KB |
Output is correct |
| 44 |
Correct |
11 ms |
1140 KB |
Output is correct |
| 45 |
Correct |
9 ms |
984 KB |
Output is correct |
| 46 |
Correct |
1 ms |
492 KB |
Output is correct |
| 47 |
Correct |
14 ms |
1188 KB |
Output is correct |
| 48 |
Correct |
42 ms |
1736 KB |
Output is correct |
| 49 |
Correct |
3 ms |
632 KB |
Output is correct |
| 50 |
Partially correct |
59 ms |
2008 KB |
Partially correct - number of queries: 5324 |
| 51 |
Correct |
23 ms |
1148 KB |
Output is correct |
| 52 |
Correct |
1 ms |
564 KB |
Output is correct |
| 53 |
Correct |
2 ms |
816 KB |
Output is correct |
| 54 |
Correct |
13 ms |
1160 KB |
Output is correct |
| 55 |
Correct |
1 ms |
464 KB |
Output is correct |
| 56 |
Partially correct |
54 ms |
1976 KB |
Partially correct - number of queries: 5312 |
| 57 |
Correct |
42 ms |
1620 KB |
Output is correct |
| 58 |
Correct |
31 ms |
1656 KB |
Output is correct |
| 59 |
Correct |
31 ms |
1400 KB |
Output is correct |
| 60 |
Correct |
32 ms |
1336 KB |
Output is correct |
| 61 |
Correct |
2 ms |
848 KB |
Output is correct |
| 62 |
Correct |
1 ms |
560 KB |
Output is correct |
| 63 |
Correct |
1 ms |
792 KB |
Output is correct |
| 64 |
Correct |
1 ms |
692 KB |
Output is correct |
| 65 |
Correct |
1 ms |
464 KB |
Output is correct |
| 66 |
Correct |
1 ms |
516 KB |
Output is correct |
| 67 |
Correct |
1 ms |
508 KB |
Output is correct |
| 68 |
Correct |
0 ms |
464 KB |
Output is correct |
| 69 |
Correct |
1 ms |
436 KB |
Output is correct |
| 70 |
Correct |
1 ms |
464 KB |
Output is correct |
| 71 |
Correct |
59 ms |
2072 KB |
Output is correct |
| 72 |
Correct |
4 ms |
1416 KB |
Output is correct |
| 73 |
Correct |
60 ms |
2028 KB |
Output is correct |
| 74 |
Correct |
57 ms |
1984 KB |
Output is correct |
| 75 |
Correct |
2 ms |
848 KB |
Output is correct |
| 76 |
Correct |
45 ms |
1968 KB |
Output is correct |
| 77 |
Partially correct |
78 ms |
2008 KB |
Partially correct - number of queries: 5338 |
| 78 |
Correct |
5 ms |
1360 KB |
Output is correct |
| 79 |
Correct |
28 ms |
1976 KB |
Output is correct |
| 80 |
Partially correct |
87 ms |
2008 KB |
Partially correct - number of queries: 5339 |
| 81 |
Partially correct |
56 ms |
2072 KB |
Partially correct - number of queries: 5387 |
| 82 |
Partially correct |
71 ms |
2060 KB |
Partially correct - number of queries: 5324 |
| 83 |
Correct |
2 ms |
848 KB |
Output is correct |
| 84 |
Correct |
34 ms |
1988 KB |
Output is correct |
| 85 |
Partially correct |
71 ms |
2024 KB |
Partially correct - number of queries: 5377 |
| 86 |
Correct |
12 ms |
1264 KB |
Output is correct |
| 87 |
Correct |
5 ms |
984 KB |
Output is correct |
| 88 |
Correct |
5 ms |
1120 KB |
Output is correct |
| 89 |
Correct |
10 ms |
1232 KB |
Output is correct |
| 90 |
Correct |
2 ms |
848 KB |
Output is correct |
| 91 |
Correct |
5 ms |
988 KB |
Output is correct |
| 92 |
Correct |
1 ms |
464 KB |
Output is correct |
| 93 |
Correct |
4 ms |
976 KB |
Output is correct |
| 94 |
Correct |
4 ms |
1104 KB |
Output is correct |
| 95 |
Correct |
3 ms |
1132 KB |
Output is correct |
| 96 |
Correct |
3 ms |
1104 KB |
Output is correct |
| 97 |
Correct |
1 ms |
464 KB |
Output is correct |
