#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
//#include "grader.cpp"
pair <int, int> memo[200001];
int ans;
pair <int, int> get (int x) {
if (memo[x].first != -1) {
return memo[x];
}
auto h = ask(x);
pair <int, int> g = {h[0], h[1]};
if (g.first + g.second == 0) {
ans = x;
}
return memo[x] = g;
}
void solve (int l, int r) {
if (l == r) {
get(l);
return;
}
auto less = [&] (int x, int y) -> bool {
return get(x).first + get(x).second < get(y).first + get(y).second;
};
while (less(l, r) || less(r, l)) {
while (less(l, r)) l++;
while (less(r, l)) r--;
}
if (get(l).second == get(r).second) {
return;
}
int mid = (l + r) / 2;
solve(l, mid); solve(mid, r);
}
int find_best (int n) {
ans = -1;
for (int i = 0; i < n; i++) {
memo[i] = {-1, -1};
}
solve(0, n - 1);
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 2 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 3 |
Correct |
1 ms |
1972 KB |
Output is correct |
| 4 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 5 |
Correct |
1 ms |
1980 KB |
Output is correct |
| 6 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 7 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 8 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 9 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 10 |
Correct |
1 ms |
1892 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 2 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 3 |
Correct |
1 ms |
1976 KB |
Output is correct |
| 4 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 5 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 6 |
Correct |
2 ms |
1880 KB |
Output is correct |
| 7 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 8 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 9 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 10 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 11 |
Correct |
3 ms |
1880 KB |
Output is correct |
| 12 |
Correct |
2 ms |
1880 KB |
Output is correct |
| 13 |
Correct |
3 ms |
1880 KB |
Output is correct |
| 14 |
Correct |
3 ms |
600 KB |
Output is correct |
| 15 |
Correct |
19 ms |
1880 KB |
Output is correct |
| 16 |
Correct |
20 ms |
1880 KB |
Output is correct |
| 17 |
Correct |
28 ms |
1892 KB |
Output is correct |
| 18 |
Correct |
18 ms |
1880 KB |
Output is correct |
| 19 |
Correct |
22 ms |
1880 KB |
Output is correct |
| 20 |
Correct |
13 ms |
1112 KB |
Output is correct |
| 21 |
Correct |
22 ms |
1880 KB |
Output is correct |
| 22 |
Correct |
20 ms |
1880 KB |
Output is correct |
| 23 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 24 |
Correct |
4 ms |
1880 KB |
Output is correct |
| 25 |
Correct |
27 ms |
1880 KB |
Output is correct |
| 26 |
Correct |
25 ms |
1880 KB |
Output is correct |
| 27 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 28 |
Correct |
23 ms |
1880 KB |
Output is correct |
| 29 |
Correct |
21 ms |
1880 KB |
Output is correct |
| 30 |
Correct |
23 ms |
1880 KB |
Output is correct |
| 31 |
Correct |
26 ms |
1880 KB |
Output is correct |
| 32 |
Correct |
2 ms |
1880 KB |
Output is correct |
| 33 |
Correct |
0 ms |
344 KB |
Output is correct |
| 34 |
Correct |
22 ms |
1880 KB |
Output is correct |
| 35 |
Correct |
2 ms |
1880 KB |
Output is correct |
| 36 |
Correct |
21 ms |
1880 KB |
Output is correct |
| 37 |
Correct |
3 ms |
1880 KB |
Output is correct |
| 38 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 39 |
Correct |
25 ms |
1880 KB |
Output is correct |
| 40 |
Correct |
15 ms |
1880 KB |
Output is correct |
| 41 |
Correct |
20 ms |
1880 KB |
Output is correct |
| 42 |
Correct |
23 ms |
1876 KB |
Output is correct |
| 43 |
Correct |
16 ms |
1880 KB |
Output is correct |
| 44 |
Correct |
21 ms |
1880 KB |
Output is correct |
| 45 |
Correct |
24 ms |
1880 KB |
Output is correct |
| 46 |
Correct |
25 ms |
1880 KB |
Output is correct |
| 47 |
Correct |
16 ms |
1880 KB |
Output is correct |
| 48 |
Correct |
23 ms |
1880 KB |
Output is correct |
| 49 |
Correct |
31 ms |
1880 KB |
Output is correct |
| 50 |
Correct |
18 ms |
1880 KB |
Output is correct |
| 51 |
Correct |
23 ms |
1880 KB |
Output is correct |
| 52 |
Correct |
25 ms |
1880 KB |
Output is correct |
| 53 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 54 |
Correct |
30 ms |
1880 KB |
Output is correct |
| 55 |
Correct |
29 ms |
1880 KB |
Output is correct |
| 56 |
Correct |
19 ms |
1880 KB |
Output is correct |
| 57 |
Correct |
32 ms |
1880 KB |
Output is correct |
| 58 |
Correct |
31 ms |
1880 KB |
Output is correct |
| 59 |
Correct |
17 ms |
1880 KB |
Output is correct |
| 60 |
Correct |
17 ms |
1880 KB |
Output is correct |
| 61 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 62 |
Correct |
2 ms |
1880 KB |
Output is correct |
| 63 |
Correct |
2 ms |
1880 KB |
Output is correct |
| 64 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 65 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 66 |
Correct |
3 ms |
1880 KB |
Output is correct |
| 67 |
Correct |
3 ms |
1880 KB |
Output is correct |
| 68 |
Correct |
3 ms |
1880 KB |
Output is correct |
| 69 |
Correct |
2 ms |
1880 KB |
Output is correct |
| 70 |
Correct |
2 ms |
1880 KB |
Output is correct |
| 71 |
Correct |
22 ms |
2132 KB |
Output is correct |
| 72 |
Correct |
3 ms |
1880 KB |
Output is correct |
| 73 |
Correct |
28 ms |
1880 KB |
Output is correct |
| 74 |
Correct |
21 ms |
1880 KB |
Output is correct |
| 75 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 76 |
Correct |
25 ms |
1880 KB |
Output is correct |
| 77 |
Correct |
23 ms |
1880 KB |
Output is correct |
| 78 |
Correct |
3 ms |
1880 KB |
Output is correct |
| 79 |
Correct |
14 ms |
1880 KB |
Output is correct |
| 80 |
Correct |
26 ms |
1880 KB |
Output is correct |
| 81 |
Correct |
21 ms |
1880 KB |
Output is correct |
| 82 |
Correct |
27 ms |
1876 KB |
Output is correct |
| 83 |
Correct |
2 ms |
1880 KB |
Output is correct |
| 84 |
Correct |
25 ms |
1880 KB |
Output is correct |
| 85 |
Correct |
25 ms |
1880 KB |
Output is correct |
| 86 |
Correct |
3 ms |
1880 KB |
Output is correct |
| 87 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 88 |
Correct |
2 ms |
1880 KB |
Output is correct |
| 89 |
Correct |
2 ms |
1880 KB |
Output is correct |
| 90 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 91 |
Correct |
2 ms |
1880 KB |
Output is correct |
| 92 |
Correct |
1 ms |
1880 KB |
Output is correct |
| 93 |
Correct |
3 ms |
1880 KB |
Output is correct |
| 94 |
Correct |
2 ms |
1880 KB |
Output is correct |
| 95 |
Correct |
4 ms |
1880 KB |
Output is correct |
| 96 |
Correct |
2 ms |
1880 KB |
Output is correct |
| 97 |
Correct |
1 ms |
1880 KB |
Output is correct |
