#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int Max = 0;
const int maxn = 2e5 + 10;
vector<int> Q[maxn];
bool mark[maxn];
vector<int> Ask(int i){
if (mark[i])
return Q[i];
mark[i] = 1;
return Q[i] = ask(i);
}
int solve(int l, int r, int cnt, int pre = 0, int suf = 0){
if (cnt <= 0 or l >= r)
return -1;
if (l+1 == r){
vector<int> res = Ask(l);
if (res[0]+res[1] == 0)
return l;
return -1;
}
vector<int> Vals;
int m = (l+r)>>1;
Vals.push_back(m);
for (int i = 1; ;i++){
bool found = 0;
if (m+i < r)
found = 1, Vals.push_back(m+i);
if (m-i >= l)
found = 1, Vals.push_back(m-i);
if (!found)
break;
}
for (auto mid : Vals){
vector<int> res = Ask(mid);
if (res[0]+res[1] == 0)
return mid;
if (res[0]+res[1] == Max){
int ret = solve(l,mid,res[0]-pre, pre, res[1]);
if (ret != -1)
return ret;
return solve(mid+1, r, res[1]-suf, res[0], suf);
}
}
return -1;
}
int find_best(int n){
for (int i = 0; i < min(n,480); i++){
vector<int> res = Ask(i);
Max = max(Max, res[0]+res[1]);
if (Max >= 480)
break;
}
return solve(0, n, Max);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
6900 KB |
Output is correct |
| 2 |
Correct |
13 ms |
6892 KB |
Output is correct |
| 3 |
Correct |
12 ms |
7020 KB |
Output is correct |
| 4 |
Correct |
10 ms |
6892 KB |
Output is correct |
| 5 |
Correct |
12 ms |
6256 KB |
Output is correct |
| 6 |
Correct |
9 ms |
7036 KB |
Output is correct |
| 7 |
Correct |
10 ms |
6256 KB |
Output is correct |
| 8 |
Correct |
8 ms |
6280 KB |
Output is correct |
| 9 |
Correct |
11 ms |
6892 KB |
Output is correct |
| 10 |
Correct |
12 ms |
6892 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
11 ms |
6900 KB |
Output is correct |
| 2 |
Correct |
12 ms |
6892 KB |
Output is correct |
| 3 |
Correct |
12 ms |
6900 KB |
Output is correct |
| 4 |
Correct |
11 ms |
7020 KB |
Output is correct |
| 5 |
Correct |
9 ms |
6256 KB |
Output is correct |
| 6 |
Correct |
12 ms |
6892 KB |
Output is correct |
| 7 |
Correct |
10 ms |
6264 KB |
Output is correct |
| 8 |
Correct |
12 ms |
6256 KB |
Output is correct |
| 9 |
Correct |
13 ms |
6892 KB |
Output is correct |
| 10 |
Correct |
13 ms |
6900 KB |
Output is correct |
| 11 |
Correct |
15 ms |
7020 KB |
Output is correct |
| 12 |
Correct |
10 ms |
7020 KB |
Output is correct |
| 13 |
Correct |
21 ms |
7020 KB |
Output is correct |
| 14 |
Correct |
11 ms |
5248 KB |
Output is correct |
| 15 |
Correct |
23 ms |
7020 KB |
Output is correct |
| 16 |
Correct |
65 ms |
7276 KB |
Output is correct |
| 17 |
Correct |
12 ms |
6976 KB |
Output is correct |
| 18 |
Partially correct |
70 ms |
7344 KB |
Partially correct - number of queries: 5241 |
| 19 |
Correct |
13 ms |
6900 KB |
Output is correct |
| 20 |
Correct |
24 ms |
6136 KB |
Output is correct |
| 21 |
Correct |
33 ms |
7020 KB |
Output is correct |
| 22 |
Correct |
14 ms |
6900 KB |
Output is correct |
| 23 |
Correct |
12 ms |
6892 KB |
Output is correct |
| 24 |
Correct |
13 ms |
6900 KB |
Output is correct |
| 25 |
Correct |
27 ms |
7156 KB |
Output is correct |
| 26 |
Correct |
42 ms |
7020 KB |
Output is correct |
| 27 |
Correct |
15 ms |
7020 KB |
Output is correct |
| 28 |
Correct |
71 ms |
7060 KB |
Output is correct |
| 29 |
Correct |
52 ms |
7120 KB |
Output is correct |
| 30 |
Partially correct |
65 ms |
7140 KB |
Partially correct - number of queries: 5205 |
| 31 |
Correct |
12 ms |
6892 KB |
Output is correct |
| 32 |
Correct |
18 ms |
7148 KB |
Output is correct |
| 33 |
Correct |
6 ms |
4992 KB |
Output is correct |
| 34 |
Correct |
30 ms |
7024 KB |
Output is correct |
| 35 |
Correct |
17 ms |
7028 KB |
Output is correct |
| 36 |
Correct |
28 ms |
7028 KB |
Output is correct |
| 37 |
Correct |
15 ms |
7020 KB |
Output is correct |
| 38 |
Correct |
13 ms |
6900 KB |
Output is correct |
| 39 |
Correct |
44 ms |
7020 KB |
Output is correct |
| 40 |
Correct |
58 ms |
7108 KB |
Output is correct |
| 41 |
Correct |
42 ms |
7020 KB |
Output is correct |
| 42 |
Correct |
45 ms |
7020 KB |
Output is correct |
| 43 |
Correct |
35 ms |
7148 KB |
Output is correct |
| 44 |
Correct |
32 ms |
7020 KB |
Output is correct |
| 45 |
Correct |
23 ms |
7020 KB |
Output is correct |
| 46 |
Correct |
11 ms |
6892 KB |
Output is correct |
| 47 |
Correct |
35 ms |
7024 KB |
Output is correct |
| 48 |
Correct |
50 ms |
7020 KB |
Output is correct |
| 49 |
Correct |
17 ms |
7020 KB |
Output is correct |
| 50 |
Partially correct |
81 ms |
7276 KB |
Partially correct - number of queries: 5232 |
| 51 |
Correct |
38 ms |
7088 KB |
Output is correct |
| 52 |
Correct |
13 ms |
6892 KB |
Output is correct |
| 53 |
Correct |
17 ms |
7092 KB |
Output is correct |
| 54 |
Correct |
41 ms |
7024 KB |
Output is correct |
| 55 |
Correct |
14 ms |
6968 KB |
Output is correct |
| 56 |
Partially correct |
46 ms |
7156 KB |
Partially correct - number of queries: 5242 |
| 57 |
Correct |
69 ms |
7188 KB |
Output is correct |
| 58 |
Correct |
62 ms |
7148 KB |
Output is correct |
| 59 |
Correct |
54 ms |
7064 KB |
Output is correct |
| 60 |
Correct |
47 ms |
7044 KB |
Output is correct |
| 61 |
Correct |
17 ms |
7068 KB |
Output is correct |
| 62 |
Correct |
14 ms |
6972 KB |
Output is correct |
| 63 |
Correct |
16 ms |
7016 KB |
Output is correct |
| 64 |
Correct |
14 ms |
7020 KB |
Output is correct |
| 65 |
Correct |
12 ms |
6892 KB |
Output is correct |
| 66 |
Correct |
18 ms |
6892 KB |
Output is correct |
| 67 |
Correct |
16 ms |
6968 KB |
Output is correct |
| 68 |
Correct |
12 ms |
6892 KB |
Output is correct |
| 69 |
Correct |
17 ms |
7020 KB |
Output is correct |
| 70 |
Correct |
14 ms |
6968 KB |
Output is correct |
| 71 |
Partially correct |
85 ms |
7144 KB |
Partially correct - number of queries: 5238 |
| 72 |
Correct |
24 ms |
7020 KB |
Output is correct |
| 73 |
Partially correct |
73 ms |
7104 KB |
Partially correct - number of queries: 5175 |
| 74 |
Partially correct |
68 ms |
7020 KB |
Partially correct - number of queries: 5202 |
| 75 |
Correct |
16 ms |
7076 KB |
Output is correct |
| 76 |
Correct |
82 ms |
7232 KB |
Output is correct |
| 77 |
Partially correct |
79 ms |
7192 KB |
Partially correct - number of queries: 5373 |
| 78 |
Correct |
23 ms |
7020 KB |
Output is correct |
| 79 |
Correct |
51 ms |
7272 KB |
Output is correct |
| 80 |
Partially correct |
71 ms |
7236 KB |
Partially correct - number of queries: 5336 |
| 81 |
Partially correct |
77 ms |
7132 KB |
Partially correct - number of queries: 5348 |
| 82 |
Partially correct |
80 ms |
7276 KB |
Partially correct - number of queries: 5302 |
| 83 |
Correct |
16 ms |
7068 KB |
Output is correct |
| 84 |
Correct |
57 ms |
7208 KB |
Output is correct |
| 85 |
Partially correct |
78 ms |
7296 KB |
Partially correct - number of queries: 5320 |
| 86 |
Correct |
13 ms |
6900 KB |
Output is correct |
| 87 |
Correct |
15 ms |
6892 KB |
Output is correct |
| 88 |
Correct |
13 ms |
6968 KB |
Output is correct |
| 89 |
Correct |
14 ms |
7116 KB |
Output is correct |
| 90 |
Correct |
15 ms |
6892 KB |
Output is correct |
| 91 |
Correct |
12 ms |
6900 KB |
Output is correct |
| 92 |
Correct |
15 ms |
6896 KB |
Output is correct |
| 93 |
Correct |
19 ms |
7020 KB |
Output is correct |
| 94 |
Correct |
18 ms |
7028 KB |
Output is correct |
| 95 |
Correct |
19 ms |
7068 KB |
Output is correct |
| 96 |
Correct |
18 ms |
7064 KB |
Output is correct |
| 97 |
Correct |
13 ms |
6900 KB |
Output is correct |
