#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define fr first
#define sc second
map<int,pair<int,pair<int,int>>> qr;
int cnt = 0;
int cntnonlol;
int n;
pair<int,pair<int,int>> query(int i) {
if(i == n) return mp(cntnonlol,mp(cntnonlol,0));
if(qr.count(i)) return qr[i];
++cnt;
vector<int> perg = ask(i);
return qr[i] = mp(perg[0]+perg[1],mp(perg[0],perg[1]));
}
int find_best(int N) {
n = N;
if(n <= 5000) {
for(int i = 0; i < n; i++) {
if(query(i).fr == 0) return i;
}
}
int S = n/420;
stack<pair<int,int>> q;
for(int i = 0; i*S < n; i++) {
// i*S,(i+1)*S
int l = i*S;
int r = min(n-1,(i+1)*S);
q.push(mp(l,r));
}
while(q.size()) {
int l = q.top().fr;
int r = q.top().sc;
q.pop();
if(l > r) continue;
if(query(l).fr == 0) return l;
if(query(r).fr == 0) return r;
if(r-l+1 <= 2) continue;
if(query(l) == query(r)) continue;
int mid = (l+r+rand()%2)/2;
q.push(mp(l,mid));
q.push(mp(mid,r));
}
assert(false);
return -1;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
456 KB |
Output is correct |
| 2 |
Correct |
1 ms |
444 KB |
Output is correct |
| 3 |
Correct |
1 ms |
440 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
1 ms |
432 KB |
Output is correct |
| 6 |
Correct |
2 ms |
952 KB |
Output is correct |
| 7 |
Correct |
1 ms |
436 KB |
Output is correct |
| 8 |
Correct |
2 ms |
440 KB |
Output is correct |
| 9 |
Correct |
1 ms |
432 KB |
Output is correct |
| 10 |
Correct |
2 ms |
456 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
456 KB |
Output is correct |
| 2 |
Correct |
1 ms |
696 KB |
Output is correct |
| 3 |
Correct |
2 ms |
704 KB |
Output is correct |
| 4 |
Correct |
0 ms |
424 KB |
Output is correct |
| 5 |
Correct |
1 ms |
440 KB |
Output is correct |
| 6 |
Correct |
2 ms |
712 KB |
Output is correct |
| 7 |
Correct |
1 ms |
692 KB |
Output is correct |
| 8 |
Correct |
1 ms |
692 KB |
Output is correct |
| 9 |
Correct |
1 ms |
436 KB |
Output is correct |
| 10 |
Correct |
2 ms |
708 KB |
Output is correct |
| 11 |
Correct |
2 ms |
456 KB |
Output is correct |
| 12 |
Correct |
3 ms |
1476 KB |
Output is correct |
| 13 |
Correct |
0 ms |
600 KB |
Output is correct |
| 14 |
Correct |
7 ms |
1668 KB |
Output is correct |
| 15 |
Correct |
19 ms |
1304 KB |
Output is correct |
| 16 |
Correct |
4 ms |
728 KB |
Output is correct |
| 17 |
Partially correct |
22 ms |
1280 KB |
Partially correct - number of queries: 5075 |
| 18 |
Correct |
0 ms |
344 KB |
Output is correct |
| 19 |
Correct |
29 ms |
1276 KB |
Output is correct |
| 20 |
Correct |
10 ms |
476 KB |
Output is correct |
| 21 |
Correct |
14 ms |
1540 KB |
Output is correct |
| 22 |
Correct |
17 ms |
708 KB |
Output is correct |
| 23 |
Correct |
2 ms |
704 KB |
Output is correct |
| 24 |
Correct |
3 ms |
704 KB |
Output is correct |
| 25 |
Correct |
9 ms |
1540 KB |
Output is correct |
| 26 |
Correct |
10 ms |
1292 KB |
Output is correct |
| 27 |
Correct |
2 ms |
456 KB |
Output is correct |
| 28 |
Correct |
1 ms |
948 KB |
Output is correct |
| 29 |
Correct |
4 ms |
700 KB |
Output is correct |
| 30 |
Correct |
1 ms |
600 KB |
Output is correct |
| 31 |
Partially correct |
27 ms |
1480 KB |
Partially correct - number of queries: 5018 |
| 32 |
Correct |
1 ms |
432 KB |
Output is correct |
| 33 |
Correct |
0 ms |
344 KB |
Output is correct |
| 34 |
Correct |
18 ms |
1016 KB |
Output is correct |
| 35 |
Correct |
1 ms |
440 KB |
Output is correct |
| 36 |
Correct |
17 ms |
1160 KB |
Output is correct |
| 37 |
Correct |
3 ms |
960 KB |
Output is correct |
| 38 |
Correct |
2 ms |
452 KB |
Output is correct |
| 39 |
Correct |
14 ms |
1760 KB |
Output is correct |
| 40 |
Correct |
1 ms |
596 KB |
Output is correct |
| 41 |
Correct |
11 ms |
1280 KB |
Output is correct |
| 42 |
Correct |
11 ms |
976 KB |
Output is correct |
| 43 |
Correct |
10 ms |
1228 KB |
Output is correct |
| 44 |
Correct |
16 ms |
1024 KB |
Output is correct |
| 45 |
Correct |
16 ms |
1304 KB |
Output is correct |
| 46 |
Partially correct |
24 ms |
1572 KB |
Partially correct - number of queries: 5025 |
| 47 |
Correct |
14 ms |
768 KB |
Output is correct |
| 48 |
Correct |
7 ms |
708 KB |
Output is correct |
| 49 |
Correct |
20 ms |
1388 KB |
Output is correct |
| 50 |
Correct |
0 ms |
344 KB |
Output is correct |
| 51 |
Correct |
18 ms |
964 KB |
Output is correct |
| 52 |
Partially correct |
27 ms |
1924 KB |
Partially correct - number of queries: 5038 |
| 53 |
Correct |
1 ms |
440 KB |
Output is correct |
| 54 |
Correct |
12 ms |
1300 KB |
Output is correct |
| 55 |
Partially correct |
25 ms |
1828 KB |
Partially correct - number of queries: 5025 |
| 56 |
Correct |
0 ms |
344 KB |
Output is correct |
| 57 |
Correct |
6 ms |
764 KB |
Output is correct |
| 58 |
Correct |
6 ms |
772 KB |
Output is correct |
| 59 |
Correct |
12 ms |
1292 KB |
Output is correct |
| 60 |
Correct |
12 ms |
712 KB |
Output is correct |
| 61 |
Correct |
1 ms |
444 KB |
Output is correct |
| 62 |
Correct |
2 ms |
1208 KB |
Output is correct |
| 63 |
Correct |
1 ms |
436 KB |
Output is correct |
| 64 |
Correct |
1 ms |
436 KB |
Output is correct |
| 65 |
Correct |
1 ms |
344 KB |
Output is correct |
| 66 |
Correct |
0 ms |
344 KB |
Output is correct |
| 67 |
Correct |
0 ms |
344 KB |
Output is correct |
| 68 |
Correct |
2 ms |
440 KB |
Output is correct |
| 69 |
Correct |
0 ms |
344 KB |
Output is correct |
| 70 |
Correct |
0 ms |
344 KB |
Output is correct |
| 71 |
Correct |
26 ms |
1292 KB |
Output is correct |
| 72 |
Correct |
3 ms |
724 KB |
Output is correct |
| 73 |
Correct |
22 ms |
1388 KB |
Output is correct |
| 74 |
Correct |
28 ms |
1396 KB |
Output is correct |
| 75 |
Correct |
2 ms |
468 KB |
Output is correct |
| 76 |
Correct |
24 ms |
732 KB |
Output is correct |
| 77 |
Partially correct |
28 ms |
1468 KB |
Partially correct - number of queries: 5080 |
| 78 |
Correct |
5 ms |
696 KB |
Output is correct |
| 79 |
Correct |
12 ms |
696 KB |
Output is correct |
| 80 |
Partially correct |
28 ms |
1516 KB |
Partially correct - number of queries: 5114 |
| 81 |
Partially correct |
24 ms |
1476 KB |
Partially correct - number of queries: 5087 |
| 82 |
Partially correct |
31 ms |
1468 KB |
Partially correct - number of queries: 5045 |
| 83 |
Correct |
3 ms |
700 KB |
Output is correct |
| 84 |
Correct |
23 ms |
1152 KB |
Output is correct |
| 85 |
Partially correct |
24 ms |
1224 KB |
Partially correct - number of queries: 5031 |
| 86 |
Correct |
2 ms |
692 KB |
Output is correct |
| 87 |
Correct |
2 ms |
692 KB |
Output is correct |
| 88 |
Correct |
2 ms |
952 KB |
Output is correct |
| 89 |
Correct |
3 ms |
700 KB |
Output is correct |
| 90 |
Correct |
2 ms |
456 KB |
Output is correct |
| 91 |
Correct |
2 ms |
952 KB |
Output is correct |
| 92 |
Correct |
2 ms |
692 KB |
Output is correct |
| 93 |
Correct |
3 ms |
724 KB |
Output is correct |
| 94 |
Correct |
3 ms |
456 KB |
Output is correct |
| 95 |
Correct |
3 ms |
708 KB |
Output is correct |
| 96 |
Correct |
3 ms |
972 KB |
Output is correct |
| 97 |
Correct |
0 ms |
440 KB |
Output is correct |
