# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
361570 |
2021-01-30T15:14:38 Z |
KoD |
The Big Prize (IOI17_prize) |
C++17 |
|
58 ms |
1512 KB |
#include "prize.h"
#include <map>
#include <set>
#include <vector>
std::map<int, std::set<int>> trace;
std::vector<int> left;
int dfs(const int l, const int r) {
if (l > r) {
return -1;
}
const auto m = (l + r) / 2;
const auto get = ask(m);
left[m] = get[0];
const auto sum = get[0] + get[1];
if (sum == 0) {
return m;
}
auto itr = trace[sum].insert(m).first;
if (itr == trace[sum].begin() || left[*std::prev(itr)] != left[m]) {
const auto tmp = dfs(l, m - 1);
if (tmp != -1) {
return tmp;
}
}
if (std::next(itr) == trace[sum].end() || left[*std::next(itr)] != left[m]) {
const auto tmp = dfs(m + 1, r);
if (tmp != -1) {
return tmp;
}
}
return -1;
}
int find_best(int n) {
left.resize(n);
return dfs(0, n - 1);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1132 KB |
Output is correct |
2 |
Correct |
1 ms |
1132 KB |
Output is correct |
3 |
Correct |
2 ms |
1132 KB |
Output is correct |
4 |
Correct |
1 ms |
1132 KB |
Output is correct |
5 |
Correct |
1 ms |
1132 KB |
Output is correct |
6 |
Correct |
1 ms |
1132 KB |
Output is correct |
7 |
Correct |
2 ms |
1260 KB |
Output is correct |
8 |
Correct |
1 ms |
1132 KB |
Output is correct |
9 |
Correct |
1 ms |
1132 KB |
Output is correct |
10 |
Correct |
1 ms |
1132 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1132 KB |
Output is correct |
2 |
Correct |
1 ms |
1132 KB |
Output is correct |
3 |
Correct |
1 ms |
1132 KB |
Output is correct |
4 |
Correct |
1 ms |
1260 KB |
Output is correct |
5 |
Correct |
1 ms |
1132 KB |
Output is correct |
6 |
Correct |
1 ms |
1132 KB |
Output is correct |
7 |
Correct |
1 ms |
1132 KB |
Output is correct |
8 |
Correct |
1 ms |
1132 KB |
Output is correct |
9 |
Correct |
1 ms |
1132 KB |
Output is correct |
10 |
Correct |
1 ms |
1132 KB |
Output is correct |
11 |
Correct |
3 ms |
1132 KB |
Output is correct |
12 |
Correct |
1 ms |
1260 KB |
Output is correct |
13 |
Correct |
6 ms |
1260 KB |
Output is correct |
14 |
Correct |
2 ms |
364 KB |
Output is correct |
15 |
Correct |
7 ms |
1132 KB |
Output is correct |
16 |
Correct |
35 ms |
1260 KB |
Output is correct |
17 |
Correct |
1 ms |
1132 KB |
Output is correct |
18 |
Correct |
56 ms |
1292 KB |
Output is correct |
19 |
Correct |
1 ms |
1260 KB |
Output is correct |
20 |
Correct |
8 ms |
956 KB |
Output is correct |
21 |
Correct |
22 ms |
1260 KB |
Output is correct |
22 |
Correct |
6 ms |
1132 KB |
Output is correct |
23 |
Correct |
2 ms |
1132 KB |
Output is correct |
24 |
Correct |
1 ms |
1132 KB |
Output is correct |
25 |
Correct |
27 ms |
1260 KB |
Output is correct |
26 |
Correct |
28 ms |
1260 KB |
Output is correct |
27 |
Correct |
2 ms |
1132 KB |
Output is correct |
28 |
Correct |
36 ms |
1260 KB |
Output is correct |
29 |
Correct |
43 ms |
1260 KB |
Output is correct |
30 |
Correct |
49 ms |
1440 KB |
Output is correct |
31 |
Correct |
1 ms |
1132 KB |
Output is correct |
32 |
Correct |
6 ms |
1132 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
15 ms |
1132 KB |
Output is correct |
35 |
Correct |
3 ms |
1132 KB |
Output is correct |
36 |
Correct |
7 ms |
1184 KB |
Output is correct |
37 |
Correct |
3 ms |
1132 KB |
Output is correct |
38 |
Correct |
1 ms |
1132 KB |
Output is correct |
39 |
Correct |
22 ms |
1132 KB |
Output is correct |
40 |
Correct |
41 ms |
1260 KB |
Output is correct |
41 |
Correct |
35 ms |
1260 KB |
Output is correct |
42 |
Correct |
16 ms |
1412 KB |
Output is correct |
43 |
Correct |
27 ms |
1260 KB |
Output is correct |
44 |
Correct |
19 ms |
1132 KB |
Output is correct |
45 |
Correct |
15 ms |
1132 KB |
Output is correct |
46 |
Correct |
1 ms |
1132 KB |
Output is correct |
47 |
Correct |
25 ms |
1132 KB |
Output is correct |
48 |
Correct |
39 ms |
1260 KB |
Output is correct |
49 |
Correct |
5 ms |
1132 KB |
Output is correct |
50 |
Correct |
28 ms |
1512 KB |
Output is correct |
51 |
Correct |
22 ms |
1132 KB |
Output is correct |
52 |
Correct |
2 ms |
1260 KB |
Output is correct |
53 |
Correct |
3 ms |
1132 KB |
Output is correct |
54 |
Correct |
24 ms |
1132 KB |
Output is correct |
55 |
Correct |
1 ms |
1260 KB |
Output is correct |
56 |
Correct |
44 ms |
1264 KB |
Output is correct |
57 |
Correct |
35 ms |
1260 KB |
Output is correct |
58 |
Correct |
40 ms |
1260 KB |
Output is correct |
59 |
Correct |
35 ms |
1260 KB |
Output is correct |
60 |
Correct |
27 ms |
1260 KB |
Output is correct |
61 |
Correct |
2 ms |
1132 KB |
Output is correct |
62 |
Correct |
2 ms |
1132 KB |
Output is correct |
63 |
Correct |
2 ms |
1132 KB |
Output is correct |
64 |
Correct |
2 ms |
1132 KB |
Output is correct |
65 |
Correct |
2 ms |
1132 KB |
Output is correct |
66 |
Correct |
2 ms |
1132 KB |
Output is correct |
67 |
Correct |
2 ms |
1132 KB |
Output is correct |
68 |
Correct |
1 ms |
1132 KB |
Output is correct |
69 |
Correct |
2 ms |
1132 KB |
Output is correct |
70 |
Correct |
1 ms |
1132 KB |
Output is correct |
71 |
Correct |
52 ms |
1388 KB |
Output is correct |
72 |
Correct |
6 ms |
1132 KB |
Output is correct |
73 |
Correct |
51 ms |
1260 KB |
Output is correct |
74 |
Correct |
54 ms |
1260 KB |
Output is correct |
75 |
Correct |
2 ms |
1260 KB |
Output is correct |
76 |
Correct |
44 ms |
1432 KB |
Output is correct |
77 |
Correct |
56 ms |
1260 KB |
Output is correct |
78 |
Correct |
6 ms |
1132 KB |
Output is correct |
79 |
Correct |
27 ms |
1260 KB |
Output is correct |
80 |
Correct |
46 ms |
1260 KB |
Output is correct |
81 |
Correct |
45 ms |
1260 KB |
Output is correct |
82 |
Correct |
58 ms |
1388 KB |
Output is correct |
83 |
Correct |
3 ms |
1132 KB |
Output is correct |
84 |
Correct |
44 ms |
1260 KB |
Output is correct |
85 |
Correct |
43 ms |
1260 KB |
Output is correct |
86 |
Correct |
10 ms |
1132 KB |
Output is correct |
87 |
Correct |
5 ms |
1132 KB |
Output is correct |
88 |
Correct |
7 ms |
1132 KB |
Output is correct |
89 |
Correct |
7 ms |
1132 KB |
Output is correct |
90 |
Correct |
3 ms |
1132 KB |
Output is correct |
91 |
Correct |
3 ms |
1296 KB |
Output is correct |
92 |
Correct |
2 ms |
1260 KB |
Output is correct |
93 |
Correct |
4 ms |
1260 KB |
Output is correct |
94 |
Correct |
5 ms |
1132 KB |
Output is correct |
95 |
Correct |
6 ms |
1132 KB |
Output is correct |
96 |
Correct |
4 ms |
1132 KB |
Output is correct |
97 |
Correct |
1 ms |
1132 KB |
Output is correct |