#include <bits/stdc++.h>
#include "prize.h"
using namespace std;
typedef pair<int, int> ii;
#define x first
#define y second
int res;
map<int, map<int, ii> > p;
void solve(int l, int r) {
if(res != -1 || l > r) return;
int mid = (l + r) / 2;
vector<int> tmp = ask(mid);
ii val = ii(tmp[0], tmp[1]);
if(val.x == 0 && val.y == 0) {
res = mid;
return;
}
bool canL = 1, canR = 1;
auto nxt = p[val.x + val.y].lower_bound(mid);
if(nxt != p[val.x + val.y].begin()) {
nxt--;
if((*nxt).y.x == val.x) canL = 0;
nxt++;
}
if(nxt != p[val.x + val.y].end()) {
if((*nxt).y.y == val.y) canR = 0;
}
p[val.x + val.y][mid] = val;
if(canL) solve(l, mid - 1);
if(canR) solve(mid + 1, r);
}
int find_best(int n) {
res = -1; p.clear();
solve(0, n - 1);
return res;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
288 KB |
Output is correct |
2 |
Correct |
2 ms |
456 KB |
Output is correct |
3 |
Correct |
2 ms |
456 KB |
Output is correct |
4 |
Correct |
3 ms |
456 KB |
Output is correct |
5 |
Correct |
2 ms |
492 KB |
Output is correct |
6 |
Correct |
2 ms |
492 KB |
Output is correct |
7 |
Correct |
2 ms |
492 KB |
Output is correct |
8 |
Correct |
2 ms |
492 KB |
Output is correct |
9 |
Correct |
2 ms |
492 KB |
Output is correct |
10 |
Correct |
3 ms |
492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
496 KB |
Output is correct |
2 |
Correct |
4 ms |
496 KB |
Output is correct |
3 |
Correct |
3 ms |
496 KB |
Output is correct |
4 |
Correct |
3 ms |
496 KB |
Output is correct |
5 |
Correct |
3 ms |
496 KB |
Output is correct |
6 |
Correct |
2 ms |
552 KB |
Output is correct |
7 |
Correct |
3 ms |
560 KB |
Output is correct |
8 |
Correct |
4 ms |
560 KB |
Output is correct |
9 |
Correct |
2 ms |
560 KB |
Output is correct |
10 |
Correct |
3 ms |
560 KB |
Output is correct |
11 |
Correct |
5 ms |
572 KB |
Output is correct |
12 |
Correct |
2 ms |
584 KB |
Output is correct |
13 |
Correct |
6 ms |
584 KB |
Output is correct |
14 |
Correct |
5 ms |
584 KB |
Output is correct |
15 |
Correct |
10 ms |
584 KB |
Output is correct |
16 |
Correct |
21 ms |
788 KB |
Output is correct |
17 |
Correct |
3 ms |
788 KB |
Output is correct |
18 |
Correct |
60 ms |
828 KB |
Output is correct |
19 |
Correct |
2 ms |
828 KB |
Output is correct |
20 |
Correct |
13 ms |
828 KB |
Output is correct |
21 |
Correct |
22 ms |
828 KB |
Output is correct |
22 |
Correct |
4 ms |
828 KB |
Output is correct |
23 |
Correct |
2 ms |
828 KB |
Output is correct |
24 |
Correct |
2 ms |
828 KB |
Output is correct |
25 |
Correct |
30 ms |
828 KB |
Output is correct |
26 |
Correct |
32 ms |
828 KB |
Output is correct |
27 |
Correct |
4 ms |
828 KB |
Output is correct |
28 |
Correct |
51 ms |
828 KB |
Output is correct |
29 |
Correct |
37 ms |
828 KB |
Output is correct |
30 |
Correct |
43 ms |
828 KB |
Output is correct |
31 |
Correct |
2 ms |
828 KB |
Output is correct |
32 |
Correct |
3 ms |
828 KB |
Output is correct |
33 |
Correct |
2 ms |
828 KB |
Output is correct |
34 |
Correct |
16 ms |
828 KB |
Output is correct |
35 |
Correct |
2 ms |
828 KB |
Output is correct |
36 |
Correct |
6 ms |
828 KB |
Output is correct |
37 |
Correct |
3 ms |
828 KB |
Output is correct |
38 |
Correct |
2 ms |
828 KB |
Output is correct |
39 |
Correct |
17 ms |
828 KB |
Output is correct |
40 |
Correct |
34 ms |
828 KB |
Output is correct |
41 |
Correct |
42 ms |
828 KB |
Output is correct |
42 |
Correct |
14 ms |
828 KB |
Output is correct |
43 |
Correct |
33 ms |
828 KB |
Output is correct |
44 |
Correct |
28 ms |
828 KB |
Output is correct |
45 |
Correct |
17 ms |
828 KB |
Output is correct |
46 |
Correct |
2 ms |
828 KB |
Output is correct |
47 |
Correct |
29 ms |
828 KB |
Output is correct |
48 |
Correct |
35 ms |
828 KB |
Output is correct |
49 |
Correct |
10 ms |
828 KB |
Output is correct |
50 |
Correct |
54 ms |
956 KB |
Output is correct |
51 |
Correct |
23 ms |
956 KB |
Output is correct |
52 |
Correct |
4 ms |
956 KB |
Output is correct |
53 |
Correct |
4 ms |
956 KB |
Output is correct |
54 |
Correct |
30 ms |
956 KB |
Output is correct |
55 |
Correct |
3 ms |
956 KB |
Output is correct |
56 |
Correct |
53 ms |
956 KB |
Output is correct |
57 |
Correct |
34 ms |
956 KB |
Output is correct |
58 |
Correct |
39 ms |
956 KB |
Output is correct |
59 |
Correct |
41 ms |
956 KB |
Output is correct |
60 |
Correct |
29 ms |
956 KB |
Output is correct |
61 |
Correct |
4 ms |
956 KB |
Output is correct |
62 |
Correct |
3 ms |
956 KB |
Output is correct |
63 |
Correct |
4 ms |
956 KB |
Output is correct |
64 |
Correct |
3 ms |
956 KB |
Output is correct |
65 |
Correct |
3 ms |
956 KB |
Output is correct |
66 |
Correct |
3 ms |
956 KB |
Output is correct |
67 |
Correct |
3 ms |
956 KB |
Output is correct |
68 |
Correct |
2 ms |
956 KB |
Output is correct |
69 |
Correct |
2 ms |
956 KB |
Output is correct |
70 |
Correct |
2 ms |
956 KB |
Output is correct |
71 |
Correct |
22 ms |
956 KB |
Output is correct |
72 |
Correct |
8 ms |
956 KB |
Output is correct |
73 |
Correct |
41 ms |
956 KB |
Output is correct |
74 |
Correct |
54 ms |
956 KB |
Output is correct |
75 |
Correct |
3 ms |
956 KB |
Output is correct |
76 |
Correct |
40 ms |
956 KB |
Output is correct |
77 |
Correct |
39 ms |
956 KB |
Output is correct |
78 |
Correct |
7 ms |
956 KB |
Output is correct |
79 |
Correct |
31 ms |
956 KB |
Output is correct |
80 |
Correct |
44 ms |
956 KB |
Output is correct |
81 |
Correct |
66 ms |
956 KB |
Output is correct |
82 |
Correct |
38 ms |
956 KB |
Output is correct |
83 |
Correct |
3 ms |
956 KB |
Output is correct |
84 |
Correct |
50 ms |
956 KB |
Output is correct |
85 |
Correct |
66 ms |
956 KB |
Output is correct |
86 |
Correct |
9 ms |
956 KB |
Output is correct |
87 |
Correct |
4 ms |
956 KB |
Output is correct |
88 |
Correct |
6 ms |
956 KB |
Output is correct |
89 |
Correct |
10 ms |
956 KB |
Output is correct |
90 |
Correct |
3 ms |
956 KB |
Output is correct |
91 |
Correct |
7 ms |
956 KB |
Output is correct |
92 |
Correct |
3 ms |
956 KB |
Output is correct |
93 |
Correct |
6 ms |
956 KB |
Output is correct |
94 |
Correct |
4 ms |
956 KB |
Output is correct |
95 |
Correct |
4 ms |
956 KB |
Output is correct |
96 |
Correct |
6 ms |
956 KB |
Output is correct |
97 |
Correct |
3 ms |
956 KB |
Output is correct |