#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pi;
typedef vector <int> vi;
typedef vector <pi> vpi;
typedef pair<pi, ll> pii;
typedef set <ll> si;
typedef long double ld;
#define f first
#define s second
#define mp make_pair
#define FOR(i,s,e) for(int i=s;i<=int(e);++i)
#define DEC(i,s,e) for(int i=s;i>=int(e);--i)
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define lbd(x, y) lower_bound(all(x), y)
#define ubd(x, y) upper_bound(all(x), y)
#define aFOR(i,x) for (auto i: x)
#define mem(x,i) memset(x,i,sizeof x)
#define fast ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define maxn 200010
#define INF (ll)1e9
#define MOD 1000000007
typedef pair <vi, int> pvi;
typedef pair <int,pi> ipi;
typedef vector <pii> vpii;
int N;
vi memo[maxn];
bool queried[maxn];
int sm[maxn];
vi query(int x){
if (queried[x]) return memo[x];
queried[x] = 1;
memo[x] = ask(x);
sm[x] = memo[x][0] + memo[x][1];
return memo[x];
}
bool done = 0;
int dnc(int l,int r){
if (done || l > r) return -1;
if (l == r){
query(l);
if (sm[l] == 0) return l;
return -1;
}
if (r + 1 < N){
query(l); query(r+1);
if (sm[r+1] == sm[l] && memo[l][0] == memo[r+1][0]) return -1;
}
int m = (l+r)/2;
return max(dnc(l,m), dnc(m+1,r));
}
const int sqrtn = 472;
int find_best(int n) {
N = n;
int ans = -1;
FOR(i,0,N/sqrtn) ans = max(ans, dnc(sqrtn*i,min(N-1, sqrtn*(i+1)-1)));
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
5960 KB |
Output is correct |
| 2 |
Correct |
7 ms |
5892 KB |
Output is correct |
| 3 |
Correct |
8 ms |
5868 KB |
Output is correct |
| 4 |
Correct |
10 ms |
5884 KB |
Output is correct |
| 5 |
Correct |
7 ms |
5960 KB |
Output is correct |
| 6 |
Correct |
5 ms |
6040 KB |
Output is correct |
| 7 |
Correct |
9 ms |
5880 KB |
Output is correct |
| 8 |
Correct |
5 ms |
5968 KB |
Output is correct |
| 9 |
Correct |
6 ms |
5968 KB |
Output is correct |
| 10 |
Correct |
8 ms |
5968 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
6020 KB |
Output is correct |
| 2 |
Correct |
6 ms |
5968 KB |
Output is correct |
| 3 |
Correct |
8 ms |
5900 KB |
Output is correct |
| 4 |
Correct |
7 ms |
5892 KB |
Output is correct |
| 5 |
Correct |
7 ms |
5888 KB |
Output is correct |
| 6 |
Correct |
8 ms |
5956 KB |
Output is correct |
| 7 |
Correct |
11 ms |
5884 KB |
Output is correct |
| 8 |
Correct |
7 ms |
5968 KB |
Output is correct |
| 9 |
Correct |
7 ms |
5884 KB |
Output is correct |
| 10 |
Correct |
8 ms |
6056 KB |
Output is correct |
| 11 |
Correct |
10 ms |
5892 KB |
Output is correct |
| 12 |
Correct |
11 ms |
5968 KB |
Output is correct |
| 13 |
Correct |
9 ms |
5960 KB |
Output is correct |
| 14 |
Correct |
13 ms |
5048 KB |
Output is correct |
| 15 |
Correct |
54 ms |
6088 KB |
Output is correct |
| 16 |
Partially correct |
40 ms |
6028 KB |
Partially correct - number of queries: 5025 |
| 17 |
Partially correct |
40 ms |
6104 KB |
Partially correct - number of queries: 5095 |
| 18 |
Partially correct |
42 ms |
6072 KB |
Partially correct - number of queries: 5070 |
| 19 |
Correct |
52 ms |
6080 KB |
Output is correct |
| 20 |
Correct |
34 ms |
5524 KB |
Output is correct |
| 21 |
Partially correct |
44 ms |
6084 KB |
Partially correct - number of queries: 5024 |
| 22 |
Correct |
33 ms |
5976 KB |
Output is correct |
| 23 |
Correct |
6 ms |
5904 KB |
Output is correct |
| 24 |
Correct |
9 ms |
5884 KB |
Output is correct |
| 25 |
Correct |
46 ms |
6172 KB |
Output is correct |
| 26 |
Correct |
23 ms |
6080 KB |
Output is correct |
| 27 |
Correct |
6 ms |
5956 KB |
Output is correct |
| 28 |
Correct |
42 ms |
6052 KB |
Output is correct |
| 29 |
Correct |
31 ms |
5964 KB |
Output is correct |
| 30 |
Partially correct |
55 ms |
6040 KB |
Partially correct - number of queries: 5051 |
| 31 |
Partially correct |
34 ms |
6104 KB |
Partially correct - number of queries: 5027 |
| 32 |
Correct |
13 ms |
5884 KB |
Output is correct |
| 33 |
Correct |
3 ms |
4944 KB |
Output is correct |
| 34 |
Partially correct |
44 ms |
6196 KB |
Partially correct - number of queries: 5040 |
| 35 |
Correct |
6 ms |
5880 KB |
Output is correct |
| 36 |
Partially correct |
53 ms |
6012 KB |
Partially correct - number of queries: 5011 |
| 37 |
Correct |
13 ms |
5880 KB |
Output is correct |
| 38 |
Correct |
9 ms |
5960 KB |
Output is correct |
| 39 |
Partially correct |
57 ms |
6164 KB |
Partially correct - number of queries: 5026 |
| 40 |
Correct |
21 ms |
6208 KB |
Output is correct |
| 41 |
Partially correct |
23 ms |
6076 KB |
Partially correct - number of queries: 5067 |
| 42 |
Partially correct |
26 ms |
6084 KB |
Partially correct - number of queries: 5067 |
| 43 |
Correct |
51 ms |
5980 KB |
Output is correct |
| 44 |
Partially correct |
46 ms |
6180 KB |
Partially correct - number of queries: 5016 |
| 45 |
Correct |
55 ms |
5984 KB |
Output is correct |
| 46 |
Partially correct |
41 ms |
5984 KB |
Partially correct - number of queries: 5036 |
| 47 |
Correct |
37 ms |
6048 KB |
Output is correct |
| 48 |
Partially correct |
55 ms |
6088 KB |
Partially correct - number of queries: 5069 |
| 49 |
Partially correct |
43 ms |
6004 KB |
Partially correct - number of queries: 5015 |
| 50 |
Partially correct |
24 ms |
6076 KB |
Partially correct - number of queries: 5044 |
| 51 |
Partially correct |
25 ms |
6064 KB |
Partially correct - number of queries: 5099 |
| 52 |
Partially correct |
39 ms |
6080 KB |
Partially correct - number of queries: 5059 |
| 53 |
Correct |
7 ms |
5968 KB |
Output is correct |
| 54 |
Partially correct |
68 ms |
6056 KB |
Partially correct - number of queries: 5023 |
| 55 |
Partially correct |
52 ms |
6008 KB |
Partially correct - number of queries: 5064 |
| 56 |
Partially correct |
43 ms |
6052 KB |
Partially correct - number of queries: 5037 |
| 57 |
Partially correct |
44 ms |
6008 KB |
Partially correct - number of queries: 5014 |
| 58 |
Partially correct |
49 ms |
6036 KB |
Partially correct - number of queries: 5121 |
| 59 |
Partially correct |
36 ms |
6000 KB |
Partially correct - number of queries: 5062 |
| 60 |
Partially correct |
47 ms |
6112 KB |
Partially correct - number of queries: 5013 |
| 61 |
Correct |
7 ms |
5888 KB |
Output is correct |
| 62 |
Correct |
9 ms |
5960 KB |
Output is correct |
| 63 |
Correct |
6 ms |
5900 KB |
Output is correct |
| 64 |
Correct |
8 ms |
5960 KB |
Output is correct |
| 65 |
Correct |
7 ms |
5964 KB |
Output is correct |
| 66 |
Correct |
10 ms |
5888 KB |
Output is correct |
| 67 |
Correct |
5 ms |
5860 KB |
Output is correct |
| 68 |
Correct |
8 ms |
5892 KB |
Output is correct |
| 69 |
Correct |
5 ms |
5860 KB |
Output is correct |
| 70 |
Correct |
7 ms |
5872 KB |
Output is correct |
| 71 |
Correct |
36 ms |
6072 KB |
Output is correct |
| 72 |
Correct |
9 ms |
5988 KB |
Output is correct |
| 73 |
Correct |
48 ms |
6012 KB |
Output is correct |
| 74 |
Correct |
31 ms |
6088 KB |
Output is correct |
| 75 |
Correct |
7 ms |
5968 KB |
Output is correct |
| 76 |
Correct |
32 ms |
5960 KB |
Output is correct |
| 77 |
Partially correct |
56 ms |
6092 KB |
Partially correct - number of queries: 5049 |
| 78 |
Correct |
11 ms |
5944 KB |
Output is correct |
| 79 |
Correct |
27 ms |
6036 KB |
Output is correct |
| 80 |
Partially correct |
53 ms |
6048 KB |
Partially correct - number of queries: 5119 |
| 81 |
Partially correct |
39 ms |
6000 KB |
Partially correct - number of queries: 5091 |
| 82 |
Partially correct |
42 ms |
6056 KB |
Partially correct - number of queries: 5064 |
| 83 |
Correct |
7 ms |
5968 KB |
Output is correct |
| 84 |
Correct |
40 ms |
5988 KB |
Output is correct |
| 85 |
Partially correct |
57 ms |
5996 KB |
Partially correct - number of queries: 5095 |
| 86 |
Correct |
11 ms |
5876 KB |
Output is correct |
| 87 |
Correct |
6 ms |
5896 KB |
Output is correct |
| 88 |
Correct |
8 ms |
5892 KB |
Output is correct |
| 89 |
Correct |
11 ms |
5904 KB |
Output is correct |
| 90 |
Correct |
10 ms |
5968 KB |
Output is correct |
| 91 |
Correct |
7 ms |
5968 KB |
Output is correct |
| 92 |
Correct |
8 ms |
5904 KB |
Output is correct |
| 93 |
Correct |
9 ms |
5960 KB |
Output is correct |
| 94 |
Correct |
11 ms |
5864 KB |
Output is correct |
| 95 |
Correct |
10 ms |
5956 KB |
Output is correct |
| 96 |
Correct |
10 ms |
5872 KB |
Output is correct |
| 97 |
Correct |
7 ms |
5904 KB |
Output is correct |
