#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
#define X first
#define Y second
using ii = pair<int, int>;
int n;
vector<int> V[200007];
ii ans(int i) {
if(V[i].size() == 0)
V[i] = ask(i);
return {V[i][0], V[i][1]};
}
int worst_sum;
int find_in_segment(int a, int b, int ok) {
if(!ok)
return -1;
int mid1 = (a + b) / 2;
int mid2 = (a + b) / 2;
while(ans(mid1).X + ans(mid1).Y != worst_sum && mid1 >= a) {
if(ans(mid1).X + ans(mid1).Y == 0)
return mid1;
mid1--;
}
if(mid1 > a) {
int x = find_in_segment(a, mid1 - 1, ans(mid1).X - ans(a - 1).X);
if(x != -1)
return x;
if(mid1 < b)
x = find_in_segment(mid1 + 1, b, ans(b + 1).X - ans(mid1).X);
return x;
}
while(ans(mid2).X + ans(mid2).Y != worst_sum && mid2 <= b) {
if(ans(mid2).X + ans(mid2).Y == 0)
return mid2;
mid2++;
}
if(mid2 < b) {
int x = find_in_segment(mid2 + 1, b, ans(b + 1).X - ans(mid2).X);
if(x != -1)
return x;
}
return -1;
}
int find_best(int n) {
::n = n;
int pocz = 0, kon = n - 1;
while(pocz <= min(474, n)) {
worst_sum = max(worst_sum, ans(pocz).X + ans(pocz).Y);
if(ans(pocz).X + ans(pocz).Y == 0)
return pocz;
pocz++;
}
while(ans(pocz).X + ans(pocz).Y != worst_sum) {
if(ans(pocz).X + ans(pocz).Y == 0)
return pocz;
pocz++;
}
while(ans(kon).X + ans(kon).Y != worst_sum) {
if(ans(kon).X + ans(kon).Y == 0)
return kon;
kon--;
}
pocz++;
kon--;
return find_in_segment(pocz, kon, ans(kon + 1).X - ans(pocz - 1).X);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
11 ms |
4984 KB |
Output is correct |
| 2 |
Correct |
12 ms |
4984 KB |
Output is correct |
| 3 |
Correct |
12 ms |
4984 KB |
Output is correct |
| 4 |
Correct |
12 ms |
5112 KB |
Output is correct |
| 5 |
Correct |
10 ms |
5112 KB |
Output is correct |
| 6 |
Correct |
6 ms |
4916 KB |
Output is correct |
| 7 |
Correct |
12 ms |
4984 KB |
Output is correct |
| 8 |
Correct |
13 ms |
4984 KB |
Output is correct |
| 9 |
Correct |
11 ms |
4984 KB |
Output is correct |
| 10 |
Correct |
12 ms |
5096 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
11 ms |
4984 KB |
Output is correct |
| 2 |
Correct |
11 ms |
4984 KB |
Output is correct |
| 3 |
Correct |
9 ms |
5128 KB |
Output is correct |
| 4 |
Correct |
11 ms |
5112 KB |
Output is correct |
| 5 |
Correct |
11 ms |
4988 KB |
Output is correct |
| 6 |
Correct |
7 ms |
4984 KB |
Output is correct |
| 7 |
Correct |
12 ms |
5104 KB |
Output is correct |
| 8 |
Correct |
13 ms |
5088 KB |
Output is correct |
| 9 |
Correct |
9 ms |
5020 KB |
Output is correct |
| 10 |
Correct |
10 ms |
5112 KB |
Output is correct |
| 11 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 12 |
Correct |
9 ms |
5128 KB |
Output is correct |
| 13 |
Correct |
16 ms |
4984 KB |
Output is correct |
| 14 |
Correct |
13 ms |
4984 KB |
Output is correct |
| 15 |
Correct |
18 ms |
4984 KB |
Output is correct |
| 16 |
Correct |
51 ms |
5160 KB |
Output is correct |
| 17 |
Correct |
9 ms |
5128 KB |
Output is correct |
| 18 |
Partially correct |
43 ms |
5168 KB |
Partially correct - number of queries: 5231 |
| 19 |
Correct |
11 ms |
4984 KB |
Output is correct |
| 20 |
Correct |
26 ms |
5112 KB |
Output is correct |
| 21 |
Correct |
30 ms |
4984 KB |
Output is correct |
| 22 |
Correct |
18 ms |
4984 KB |
Output is correct |
| 23 |
Correct |
14 ms |
4988 KB |
Output is correct |
| 24 |
Correct |
12 ms |
5116 KB |
Output is correct |
| 25 |
Correct |
23 ms |
5200 KB |
Output is correct |
| 26 |
Correct |
28 ms |
5072 KB |
Output is correct |
| 27 |
Correct |
11 ms |
5028 KB |
Output is correct |
| 28 |
Correct |
46 ms |
5048 KB |
Output is correct |
| 29 |
Correct |
42 ms |
5080 KB |
Output is correct |
| 30 |
Partially correct |
56 ms |
5232 KB |
Partially correct - number of queries: 5196 |
| 31 |
Correct |
12 ms |
5012 KB |
Output is correct |
| 32 |
Correct |
13 ms |
4984 KB |
Output is correct |
| 33 |
Correct |
6 ms |
4988 KB |
Output is correct |
| 34 |
Correct |
25 ms |
5112 KB |
Output is correct |
| 35 |
Correct |
10 ms |
5136 KB |
Output is correct |
| 36 |
Correct |
14 ms |
5144 KB |
Output is correct |
| 37 |
Correct |
12 ms |
5008 KB |
Output is correct |
| 38 |
Correct |
9 ms |
5128 KB |
Output is correct |
| 39 |
Correct |
30 ms |
5128 KB |
Output is correct |
| 40 |
Correct |
33 ms |
5152 KB |
Output is correct |
| 41 |
Correct |
23 ms |
5108 KB |
Output is correct |
| 42 |
Correct |
30 ms |
5108 KB |
Output is correct |
| 43 |
Correct |
30 ms |
5084 KB |
Output is correct |
| 44 |
Correct |
27 ms |
4984 KB |
Output is correct |
| 45 |
Correct |
25 ms |
5084 KB |
Output is correct |
| 46 |
Correct |
10 ms |
4984 KB |
Output is correct |
| 47 |
Correct |
28 ms |
5084 KB |
Output is correct |
| 48 |
Correct |
35 ms |
5124 KB |
Output is correct |
| 49 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 50 |
Partially correct |
57 ms |
5216 KB |
Partially correct - number of queries: 5232 |
| 51 |
Correct |
31 ms |
4984 KB |
Output is correct |
| 52 |
Correct |
12 ms |
5012 KB |
Output is correct |
| 53 |
Correct |
13 ms |
5112 KB |
Output is correct |
| 54 |
Correct |
29 ms |
5112 KB |
Output is correct |
| 55 |
Correct |
9 ms |
5024 KB |
Output is correct |
| 56 |
Partially correct |
49 ms |
5096 KB |
Partially correct - number of queries: 5235 |
| 57 |
Correct |
47 ms |
5112 KB |
Output is correct |
| 58 |
Correct |
45 ms |
5112 KB |
Output is correct |
| 59 |
Correct |
43 ms |
5092 KB |
Output is correct |
| 60 |
Correct |
41 ms |
5056 KB |
Output is correct |
| 61 |
Correct |
13 ms |
5032 KB |
Output is correct |
| 62 |
Correct |
12 ms |
5088 KB |
Output is correct |
| 63 |
Correct |
13 ms |
4940 KB |
Output is correct |
| 64 |
Correct |
11 ms |
5112 KB |
Output is correct |
| 65 |
Correct |
12 ms |
5012 KB |
Output is correct |
| 66 |
Correct |
10 ms |
4992 KB |
Output is correct |
| 67 |
Correct |
15 ms |
5112 KB |
Output is correct |
| 68 |
Correct |
9 ms |
5104 KB |
Output is correct |
| 69 |
Correct |
11 ms |
4984 KB |
Output is correct |
| 70 |
Correct |
14 ms |
5112 KB |
Output is correct |
| 71 |
Partially correct |
58 ms |
5168 KB |
Partially correct - number of queries: 5236 |
| 72 |
Correct |
17 ms |
5004 KB |
Output is correct |
| 73 |
Partially correct |
57 ms |
5288 KB |
Partially correct - number of queries: 5173 |
| 74 |
Partially correct |
62 ms |
5180 KB |
Partially correct - number of queries: 5200 |
| 75 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 76 |
Correct |
53 ms |
5128 KB |
Output is correct |
| 77 |
Partially correct |
70 ms |
5168 KB |
Partially correct - number of queries: 5354 |
| 78 |
Correct |
16 ms |
5112 KB |
Output is correct |
| 79 |
Correct |
40 ms |
5112 KB |
Output is correct |
| 80 |
Partially correct |
53 ms |
5232 KB |
Partially correct - number of queries: 5350 |
| 81 |
Partially correct |
60 ms |
5132 KB |
Partially correct - number of queries: 5347 |
| 82 |
Partially correct |
61 ms |
5116 KB |
Partially correct - number of queries: 5300 |
| 83 |
Correct |
12 ms |
4984 KB |
Output is correct |
| 84 |
Correct |
47 ms |
5104 KB |
Output is correct |
| 85 |
Partially correct |
49 ms |
5160 KB |
Partially correct - number of queries: 5321 |
| 86 |
Correct |
12 ms |
4984 KB |
Output is correct |
| 87 |
Correct |
16 ms |
4984 KB |
Output is correct |
| 88 |
Correct |
13 ms |
5112 KB |
Output is correct |
| 89 |
Correct |
13 ms |
4984 KB |
Output is correct |
| 90 |
Correct |
11 ms |
4984 KB |
Output is correct |
| 91 |
Correct |
11 ms |
5020 KB |
Output is correct |
| 92 |
Correct |
9 ms |
5020 KB |
Output is correct |
| 93 |
Correct |
15 ms |
4984 KB |
Output is correct |
| 94 |
Correct |
16 ms |
5112 KB |
Output is correct |
| 95 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 96 |
Correct |
16 ms |
4984 KB |
Output is correct |
| 97 |
Correct |
12 ms |
4984 KB |
Output is correct |
