#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 = 20;
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 |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
2 ms |
344 KB |
Output is correct |
3 |
Correct |
2 ms |
344 KB |
Output is correct |
4 |
Correct |
4 ms |
344 KB |
Output is correct |
5 |
Correct |
2 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
2 ms |
344 KB |
Output is correct |
8 |
Correct |
2 ms |
344 KB |
Output is correct |
9 |
Correct |
3 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
2 ms |
344 KB |
Output is correct |
3 |
Correct |
2 ms |
344 KB |
Output is correct |
4 |
Correct |
2 ms |
344 KB |
Output is correct |
5 |
Correct |
2 ms |
344 KB |
Output is correct |
6 |
Correct |
0 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 |
2 ms |
344 KB |
Output is correct |
10 |
Correct |
3 ms |
344 KB |
Output is correct |
11 |
Correct |
3 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
5 ms |
344 KB |
Output is correct |
14 |
Correct |
2 ms |
344 KB |
Output is correct |
15 |
Correct |
5 ms |
432 KB |
Output is correct |
16 |
Partially correct |
24 ms |
344 KB |
Partially correct - number of queries: 5103 |
17 |
Correct |
0 ms |
344 KB |
Output is correct |
18 |
Partially correct |
18 ms |
344 KB |
Partially correct - number of queries: 6156 |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
7 ms |
344 KB |
Output is correct |
21 |
Correct |
11 ms |
344 KB |
Output is correct |
22 |
Correct |
3 ms |
344 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
344 KB |
Output is correct |
25 |
Correct |
12 ms |
344 KB |
Output is correct |
26 |
Correct |
23 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
344 KB |
Output is correct |
28 |
Partially correct |
43 ms |
344 KB |
Partially correct - number of queries: 6200 |
29 |
Correct |
23 ms |
344 KB |
Output is correct |
30 |
Partially correct |
30 ms |
344 KB |
Partially correct - number of queries: 6104 |
31 |
Correct |
0 ms |
344 KB |
Output is correct |
32 |
Correct |
6 ms |
344 KB |
Output is correct |
33 |
Correct |
1 ms |
344 KB |
Output is correct |
34 |
Correct |
7 ms |
432 KB |
Output is correct |
35 |
Correct |
3 ms |
344 KB |
Output is correct |
36 |
Correct |
9 ms |
344 KB |
Output is correct |
37 |
Correct |
1 ms |
344 KB |
Output is correct |
38 |
Correct |
1 ms |
344 KB |
Output is correct |
39 |
Correct |
17 ms |
432 KB |
Output is correct |
40 |
Partially correct |
21 ms |
344 KB |
Partially correct - number of queries: 5204 |
41 |
Correct |
14 ms |
344 KB |
Output is correct |
42 |
Correct |
19 ms |
344 KB |
Output is correct |
43 |
Correct |
17 ms |
340 KB |
Output is correct |
44 |
Correct |
9 ms |
344 KB |
Output is correct |
45 |
Correct |
9 ms |
344 KB |
Output is correct |
46 |
Correct |
1 ms |
344 KB |
Output is correct |
47 |
Correct |
23 ms |
344 KB |
Output is correct |
48 |
Correct |
16 ms |
344 KB |
Output is correct |
49 |
Correct |
2 ms |
344 KB |
Output is correct |
50 |
Partially correct |
41 ms |
344 KB |
Partially correct - number of queries: 6156 |
51 |
Correct |
11 ms |
344 KB |
Output is correct |
52 |
Correct |
1 ms |
344 KB |
Output is correct |
53 |
Correct |
3 ms |
344 KB |
Output is correct |
54 |
Correct |
8 ms |
344 KB |
Output is correct |
55 |
Correct |
0 ms |
344 KB |
Output is correct |
56 |
Partially correct |
38 ms |
432 KB |
Partially correct - number of queries: 6156 |
57 |
Correct |
23 ms |
344 KB |
Output is correct |
58 |
Correct |
27 ms |
344 KB |
Output is correct |
59 |
Correct |
16 ms |
344 KB |
Output is correct |
60 |
Correct |
10 ms |
344 KB |
Output is correct |
61 |
Correct |
5 ms |
344 KB |
Output is correct |
62 |
Correct |
1 ms |
344 KB |
Output is correct |
63 |
Correct |
6 ms |
344 KB |
Output is correct |
64 |
Correct |
2 ms |
344 KB |
Output is correct |
65 |
Correct |
4 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 |
2 ms |
344 KB |
Output is correct |
69 |
Correct |
6 ms |
344 KB |
Output is correct |
70 |
Correct |
3 ms |
340 KB |
Output is correct |
71 |
Partially correct |
21 ms |
344 KB |
Partially correct - number of queries: 6192 |
72 |
Correct |
3 ms |
596 KB |
Output is correct |
73 |
Partially correct |
38 ms |
344 KB |
Partially correct - number of queries: 6113 |
74 |
Partially correct |
27 ms |
344 KB |
Partially correct - number of queries: 6152 |
75 |
Correct |
4 ms |
344 KB |
Output is correct |
76 |
Partially correct |
30 ms |
344 KB |
Partially correct - number of queries: 5370 |
77 |
Partially correct |
32 ms |
344 KB |
Partially correct - number of queries: 6190 |
78 |
Correct |
6 ms |
344 KB |
Output is correct |
79 |
Correct |
15 ms |
344 KB |
Output is correct |
80 |
Partially correct |
35 ms |
344 KB |
Partially correct - number of queries: 6199 |
81 |
Partially correct |
24 ms |
344 KB |
Partially correct - number of queries: 6198 |
82 |
Partially correct |
30 ms |
344 KB |
Partially correct - number of queries: 6153 |
83 |
Correct |
5 ms |
344 KB |
Output is correct |
84 |
Partially correct |
19 ms |
344 KB |
Partially correct - number of queries: 5196 |
85 |
Partially correct |
25 ms |
344 KB |
Partially correct - number of queries: 6198 |
86 |
Incorrect |
55 ms |
344 KB |
Incorrect |
87 |
Halted |
0 ms |
0 KB |
- |