#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
map<int, vector<int>> mp;
vector<int> askk (int x) {
if (mp.count(x) == 0) return mp[x] = ask(x);
return mp[x];
}
int find_best(int n) {
int mx = 0, lim = 500;
for (int i = 0; i < min(n, lim); i ++) {
vector<int> a = askk(i);
mx = max(mx, a[0] + a[1]);
if (a[0] + a[1] == 0) return i;
}
int xxx = 500;
for (int i = 0; i < n; i ++) {
vector<int> a = askk(i);
if (a[0] + a[1] == mx) {
if (i + 500 < n) {
vector<int> c = askk(i + 500);
if (a[1] == c[1]) {
i += 500;
continue;
}
}
int l = 0, r = 500;
while (l < r) {
int mid = (l + r) / 2;
if (i + mid >= n) r = mid;
else {
vector<int> b = askk(i + mid);
if (a[1] == b[1]) l = mid + 1;
else r = mid;
}
}
i += l - 1;
}
else if (a[0] + a[1] == 0) return i;
}
}
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:17:6: warning: unused variable 'xxx' [-Wunused-variable]
17 | int xxx = 500;
| ^~~
prize.cpp:42:1: warning: control reaches end of non-void function [-Wreturn-type]
42 | }
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
344 KB |
Output is correct |
| 2 |
Correct |
5 ms |
344 KB |
Output is correct |
| 3 |
Correct |
5 ms |
344 KB |
Output is correct |
| 4 |
Correct |
8 ms |
600 KB |
Output is correct |
| 5 |
Correct |
7 ms |
604 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
6 ms |
344 KB |
Output is correct |
| 8 |
Correct |
5 ms |
600 KB |
Output is correct |
| 9 |
Correct |
3 ms |
600 KB |
Output is correct |
| 10 |
Correct |
6 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
480 KB |
Output is correct |
| 2 |
Correct |
3 ms |
340 KB |
Output is correct |
| 3 |
Correct |
3 ms |
340 KB |
Output is correct |
| 4 |
Correct |
7 ms |
552 KB |
Output is correct |
| 5 |
Correct |
6 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
5 ms |
344 KB |
Output is correct |
| 8 |
Correct |
7 ms |
488 KB |
Output is correct |
| 9 |
Correct |
5 ms |
344 KB |
Output is correct |
| 10 |
Correct |
6 ms |
344 KB |
Output is correct |
| 11 |
Correct |
5 ms |
344 KB |
Output is correct |
| 12 |
Correct |
3 ms |
344 KB |
Output is correct |
| 13 |
Correct |
7 ms |
600 KB |
Output is correct |
| 14 |
Correct |
3 ms |
344 KB |
Output is correct |
| 15 |
Correct |
9 ms |
600 KB |
Output is correct |
| 16 |
Correct |
19 ms |
940 KB |
Output is correct |
| 17 |
Correct |
2 ms |
344 KB |
Output is correct |
| 18 |
Partially correct |
37 ms |
848 KB |
Partially correct - number of queries: 5507 |
| 19 |
Correct |
3 ms |
344 KB |
Output is correct |
| 20 |
Correct |
6 ms |
600 KB |
Output is correct |
| 21 |
Correct |
16 ms |
784 KB |
Output is correct |
| 22 |
Correct |
5 ms |
440 KB |
Output is correct |
| 23 |
Correct |
3 ms |
344 KB |
Output is correct |
| 24 |
Correct |
3 ms |
444 KB |
Output is correct |
| 25 |
Correct |
21 ms |
788 KB |
Output is correct |
| 26 |
Correct |
18 ms |
600 KB |
Output is correct |
| 27 |
Correct |
4 ms |
344 KB |
Output is correct |
| 28 |
Partially correct |
41 ms |
1012 KB |
Partially correct - number of queries: 5494 |
| 29 |
Correct |
22 ms |
776 KB |
Output is correct |
| 30 |
Partially correct |
29 ms |
848 KB |
Partially correct - number of queries: 5539 |
| 31 |
Correct |
3 ms |
344 KB |
Output is correct |
| 32 |
Correct |
9 ms |
344 KB |
Output is correct |
| 33 |
Correct |
0 ms |
344 KB |
Output is correct |
| 34 |
Correct |
10 ms |
560 KB |
Output is correct |
| 35 |
Correct |
5 ms |
344 KB |
Output is correct |
| 36 |
Correct |
9 ms |
600 KB |
Output is correct |
| 37 |
Correct |
4 ms |
344 KB |
Output is correct |
| 38 |
Correct |
4 ms |
600 KB |
Output is correct |
| 39 |
Correct |
14 ms |
600 KB |
Output is correct |
| 40 |
Correct |
29 ms |
1104 KB |
Output is correct |
| 41 |
Correct |
15 ms |
600 KB |
Output is correct |
| 42 |
Correct |
20 ms |
860 KB |
Output is correct |
| 43 |
Correct |
22 ms |
600 KB |
Output is correct |
| 44 |
Correct |
13 ms |
548 KB |
Output is correct |
| 45 |
Correct |
11 ms |
600 KB |
Output is correct |
| 46 |
Correct |
2 ms |
344 KB |
Output is correct |
| 47 |
Correct |
15 ms |
600 KB |
Output is correct |
| 48 |
Correct |
14 ms |
816 KB |
Output is correct |
| 49 |
Correct |
4 ms |
344 KB |
Output is correct |
| 50 |
Partially correct |
33 ms |
848 KB |
Partially correct - number of queries: 5489 |
| 51 |
Correct |
13 ms |
600 KB |
Output is correct |
| 52 |
Correct |
3 ms |
344 KB |
Output is correct |
| 53 |
Correct |
8 ms |
600 KB |
Output is correct |
| 54 |
Correct |
11 ms |
652 KB |
Output is correct |
| 55 |
Correct |
2 ms |
600 KB |
Output is correct |
| 56 |
Partially correct |
30 ms |
924 KB |
Partially correct - number of queries: 5501 |
| 57 |
Correct |
22 ms |
868 KB |
Output is correct |
| 58 |
Correct |
21 ms |
848 KB |
Output is correct |
| 59 |
Correct |
19 ms |
600 KB |
Output is correct |
| 60 |
Correct |
14 ms |
640 KB |
Output is correct |
| 61 |
Correct |
5 ms |
520 KB |
Output is correct |
| 62 |
Correct |
4 ms |
344 KB |
Output is correct |
| 63 |
Correct |
7 ms |
572 KB |
Output is correct |
| 64 |
Correct |
6 ms |
720 KB |
Output is correct |
| 65 |
Correct |
11 ms |
700 KB |
Output is correct |
| 66 |
Correct |
8 ms |
612 KB |
Output is correct |
| 67 |
Correct |
9 ms |
600 KB |
Output is correct |
| 68 |
Correct |
3 ms |
344 KB |
Output is correct |
| 69 |
Correct |
9 ms |
600 KB |
Output is correct |
| 70 |
Correct |
6 ms |
600 KB |
Output is correct |
| 71 |
Partially correct |
33 ms |
1368 KB |
Partially correct - number of queries: 5250 |
| 72 |
Correct |
9 ms |
616 KB |
Output is correct |
| 73 |
Partially correct |
28 ms |
852 KB |
Partially correct - number of queries: 5192 |
| 74 |
Partially correct |
39 ms |
952 KB |
Partially correct - number of queries: 5217 |
| 75 |
Correct |
7 ms |
600 KB |
Output is correct |
| 76 |
Correct |
25 ms |
1092 KB |
Output is correct |
| 77 |
Partially correct |
30 ms |
1028 KB |
Partially correct - number of queries: 5498 |
| 78 |
Correct |
10 ms |
504 KB |
Output is correct |
| 79 |
Correct |
18 ms |
592 KB |
Output is correct |
| 80 |
Partially correct |
27 ms |
944 KB |
Partially correct - number of queries: 5501 |
| 81 |
Partially correct |
29 ms |
1000 KB |
Partially correct - number of queries: 5488 |
| 82 |
Partially correct |
32 ms |
944 KB |
Partially correct - number of queries: 5430 |
| 83 |
Correct |
10 ms |
508 KB |
Output is correct |
| 84 |
Correct |
29 ms |
916 KB |
Output is correct |
| 85 |
Partially correct |
33 ms |
1076 KB |
Partially correct - number of queries: 5446 |
| 86 |
Correct |
7 ms |
344 KB |
Output is correct |
| 87 |
Correct |
8 ms |
344 KB |
Output is correct |
| 88 |
Correct |
8 ms |
692 KB |
Output is correct |
| 89 |
Correct |
9 ms |
344 KB |
Output is correct |
| 90 |
Correct |
5 ms |
344 KB |
Output is correct |
| 91 |
Correct |
6 ms |
608 KB |
Output is correct |
| 92 |
Correct |
9 ms |
460 KB |
Output is correct |
| 93 |
Correct |
11 ms |
600 KB |
Output is correct |
| 94 |
Correct |
8 ms |
600 KB |
Output is correct |
| 95 |
Correct |
7 ms |
784 KB |
Output is correct |
| 96 |
Correct |
8 ms |
748 KB |
Output is correct |
| 97 |
Correct |
9 ms |
600 KB |
Output is correct |
