#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
int find_best(int n) {
int mx = 0, lim = 500, xx = 200;
while (xx --) {
int i = rnd() % n;
vector<int> a = ask(i);
mx = max(mx, a[0] + a[1]);
}
for (int i = 0; i < n; i ++) {
vector<int> a = ask(i);
if (a[0] + a[1] == mx) {
vector<int> c = ask(min(n - 1, i + lim));
if (a[1] == c[1]) {
i = min(n - 1, i + lim);
continue;
}
for (int j = 500; j >= 1; j = (j + 1) / 2) {
if (i + j >= n) continue;
vector<int> b = ask(i + j);
if (a[1] == b[1]) i += j;
if (j == 1) break;
}
}
else if (a[0] + a[1] == 0) return i;
}
}
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type]
32 | }
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
344 KB |
Output is correct |
| 2 |
Correct |
3 ms |
344 KB |
Output is correct |
| 3 |
Correct |
3 ms |
344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
344 KB |
Output is correct |
| 5 |
Correct |
4 ms |
344 KB |
Output is correct |
| 6 |
Correct |
2 ms |
344 KB |
Output is correct |
| 7 |
Correct |
3 ms |
344 KB |
Output is correct |
| 8 |
Correct |
3 ms |
344 KB |
Output is correct |
| 9 |
Correct |
3 ms |
344 KB |
Output is correct |
| 10 |
Correct |
2 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
344 KB |
Output is correct |
| 2 |
Correct |
3 ms |
344 KB |
Output is correct |
| 3 |
Correct |
3 ms |
344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
344 KB |
Output is correct |
| 5 |
Correct |
3 ms |
344 KB |
Output is correct |
| 6 |
Correct |
1 ms |
344 KB |
Output is correct |
| 7 |
Correct |
3 ms |
344 KB |
Output is correct |
| 8 |
Correct |
3 ms |
344 KB |
Output is correct |
| 9 |
Correct |
3 ms |
432 KB |
Output is correct |
| 10 |
Correct |
4 ms |
344 KB |
Output is correct |
| 11 |
Correct |
4 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
344 KB |
Output is correct |
| 13 |
Correct |
9 ms |
344 KB |
Output is correct |
| 14 |
Correct |
3 ms |
344 KB |
Output is correct |
| 15 |
Correct |
5 ms |
432 KB |
Output is correct |
| 16 |
Partially correct |
20 ms |
344 KB |
Partially correct - number of queries: 5283 |
| 17 |
Correct |
1 ms |
344 KB |
Output is correct |
| 18 |
Partially correct |
41 ms |
344 KB |
Partially correct - number of queries: 6336 |
| 19 |
Correct |
2 ms |
344 KB |
Output is correct |
| 20 |
Correct |
8 ms |
344 KB |
Output is correct |
| 21 |
Correct |
11 ms |
344 KB |
Output is correct |
| 22 |
Correct |
2 ms |
596 KB |
Output is correct |
| 23 |
Correct |
2 ms |
344 KB |
Output is correct |
| 24 |
Correct |
1 ms |
344 KB |
Output is correct |
| 25 |
Correct |
16 ms |
344 KB |
Output is correct |
| 26 |
Correct |
18 ms |
344 KB |
Output is correct |
| 27 |
Correct |
2 ms |
344 KB |
Output is correct |
| 28 |
Partially correct |
31 ms |
344 KB |
Partially correct - number of queries: 6380 |
| 29 |
Correct |
14 ms |
344 KB |
Output is correct |
| 30 |
Partially correct |
38 ms |
600 KB |
Partially correct - number of queries: 6284 |
| 31 |
Correct |
2 ms |
344 KB |
Output is correct |
| 32 |
Correct |
5 ms |
344 KB |
Output is correct |
| 33 |
Correct |
2 ms |
344 KB |
Output is correct |
| 34 |
Correct |
7 ms |
344 KB |
Output is correct |
| 35 |
Correct |
4 ms |
344 KB |
Output is correct |
| 36 |
Correct |
7 ms |
344 KB |
Output is correct |
| 37 |
Correct |
3 ms |
344 KB |
Output is correct |
| 38 |
Correct |
2 ms |
344 KB |
Output is correct |
| 39 |
Correct |
9 ms |
340 KB |
Output is correct |
| 40 |
Partially correct |
15 ms |
344 KB |
Partially correct - number of queries: 5384 |
| 41 |
Correct |
17 ms |
344 KB |
Output is correct |
| 42 |
Correct |
14 ms |
344 KB |
Output is correct |
| 43 |
Correct |
21 ms |
344 KB |
Output is correct |
| 44 |
Correct |
11 ms |
344 KB |
Output is correct |
| 45 |
Correct |
13 ms |
344 KB |
Output is correct |
| 46 |
Correct |
1 ms |
344 KB |
Output is correct |
| 47 |
Correct |
13 ms |
344 KB |
Output is correct |
| 48 |
Correct |
25 ms |
344 KB |
Output is correct |
| 49 |
Correct |
2 ms |
344 KB |
Output is correct |
| 50 |
Partially correct |
30 ms |
344 KB |
Partially correct - number of queries: 6336 |
| 51 |
Correct |
15 ms |
344 KB |
Output is correct |
| 52 |
Correct |
1 ms |
344 KB |
Output is correct |
| 53 |
Correct |
6 ms |
344 KB |
Output is correct |
| 54 |
Correct |
11 ms |
344 KB |
Output is correct |
| 55 |
Correct |
1 ms |
344 KB |
Output is correct |
| 56 |
Partially correct |
18 ms |
344 KB |
Partially correct - number of queries: 6336 |
| 57 |
Correct |
16 ms |
344 KB |
Output is correct |
| 58 |
Correct |
20 ms |
344 KB |
Output is correct |
| 59 |
Correct |
15 ms |
344 KB |
Output is correct |
| 60 |
Correct |
21 ms |
340 KB |
Output is correct |
| 61 |
Correct |
5 ms |
344 KB |
Output is correct |
| 62 |
Correct |
2 ms |
344 KB |
Output is correct |
| 63 |
Correct |
5 ms |
344 KB |
Output is correct |
| 64 |
Correct |
3 ms |
344 KB |
Output is correct |
| 65 |
Correct |
7 ms |
344 KB |
Output is correct |
| 66 |
Correct |
5 ms |
344 KB |
Output is correct |
| 67 |
Correct |
4 ms |
344 KB |
Output is correct |
| 68 |
Correct |
3 ms |
344 KB |
Output is correct |
| 69 |
Correct |
7 ms |
344 KB |
Output is correct |
| 70 |
Correct |
3 ms |
344 KB |
Output is correct |
| 71 |
Partially correct |
23 ms |
344 KB |
Partially correct - number of queries: 6472 |
| 72 |
Correct |
6 ms |
344 KB |
Output is correct |
| 73 |
Partially correct |
32 ms |
344 KB |
Partially correct - number of queries: 6401 |
| 74 |
Partially correct |
27 ms |
344 KB |
Partially correct - number of queries: 6471 |
| 75 |
Correct |
5 ms |
344 KB |
Output is correct |
| 76 |
Partially correct |
31 ms |
344 KB |
Partially correct - number of queries: 5639 |
| 77 |
Partially correct |
28 ms |
344 KB |
Partially correct - number of queries: 6472 |
| 78 |
Correct |
4 ms |
344 KB |
Output is correct |
| 79 |
Correct |
15 ms |
344 KB |
Output is correct |
| 80 |
Partially correct |
32 ms |
344 KB |
Partially correct - number of queries: 6493 |
| 81 |
Partially correct |
21 ms |
344 KB |
Partially correct - number of queries: 6516 |
| 82 |
Partially correct |
25 ms |
344 KB |
Partially correct - number of queries: 6419 |
| 83 |
Correct |
5 ms |
596 KB |
Output is correct |
| 84 |
Partially correct |
19 ms |
344 KB |
Partially correct - number of queries: 5442 |
| 85 |
Partially correct |
39 ms |
344 KB |
Partially correct - number of queries: 6484 |
| 86 |
Partially correct |
29 ms |
344 KB |
Partially correct - number of queries: 6670 |
| 87 |
Correct |
5 ms |
344 KB |
Output is correct |
| 88 |
Partially correct |
23 ms |
344 KB |
Partially correct - number of queries: 6375 |
| 89 |
Partially correct |
36 ms |
344 KB |
Partially correct - number of queries: 6327 |
| 90 |
Correct |
7 ms |
344 KB |
Output is correct |
| 91 |
Correct |
12 ms |
344 KB |
Output is correct |
| 92 |
Correct |
10 ms |
344 KB |
Output is correct |
| 93 |
Incorrect |
61 ms |
344 KB |
Incorrect |
| 94 |
Halted |
0 ms |
0 KB |
- |
