#include "prize.h"
#include <bits/stdc++.h>
const int MAXN = 2e5;
std::vector<int> res[MAXN + 10];
std::pair<int,int> get(int i) {
if(!res[i].size()) res[i] = ask(i);
return {res[i][0], res[i][1]};
}
int sum(int i) {
return get(i).first + get(i).second;
}
int ls = 0;
int lowest(int n) {
int mx = 0;
for(int i = 0; i*i < n; i++) {
mx = std::max(mx, sum(i));
}
return mx;
}
int solve(int lo, int hi, int lc, int cc) {
if(!cc || lo > hi) return -1;
if(lo == hi) {
if(sum(lo) == 0) return lo;
else return -1;
}
int m = (lo + hi) / 2;
int ml = m, lf = 0;
while(ml >= lo && sum(ml) < ls) {
lf++;
ml--;
}
if(ml >= lo) lf += get(ml).first - lc;
int rr = solve(lo, m, lc, lf);
if(rr != -1) return rr;
rr = solve(m+1, hi, lc+lf, cc-lf);
if(rr != -1) return rr;
return -1;
}
int find_best(int n) {
ls = lowest(n);
return solve(0, n-1, 0, ls);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 2 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 3 |
Correct |
6 ms |
6704 KB |
Output is correct |
| 4 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 5 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 6 |
Correct |
6 ms |
6704 KB |
Output is correct |
| 7 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 8 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 9 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 10 |
Correct |
6 ms |
6704 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
23 ms |
6704 KB |
Output is correct |
| 2 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 3 |
Correct |
6 ms |
6704 KB |
Output is correct |
| 4 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 5 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 6 |
Correct |
6 ms |
6704 KB |
Output is correct |
| 7 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 8 |
Correct |
16 ms |
6704 KB |
Output is correct |
| 9 |
Correct |
6 ms |
6704 KB |
Output is correct |
| 10 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 11 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 12 |
Correct |
9 ms |
6704 KB |
Output is correct |
| 13 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 14 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 15 |
Correct |
6 ms |
6704 KB |
Output is correct |
| 16 |
Correct |
36 ms |
6836 KB |
Output is correct |
| 17 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 18 |
Partially correct |
29 ms |
6836 KB |
Partially correct - number of queries: 5055 |
| 19 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 20 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 21 |
Correct |
16 ms |
6836 KB |
Output is correct |
| 22 |
Correct |
6 ms |
6704 KB |
Output is correct |
| 23 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 24 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 25 |
Correct |
9 ms |
6836 KB |
Output is correct |
| 26 |
Correct |
9 ms |
6836 KB |
Output is correct |
| 27 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 28 |
Correct |
23 ms |
6836 KB |
Output is correct |
| 29 |
Correct |
23 ms |
6836 KB |
Output is correct |
| 30 |
Partially correct |
46 ms |
6836 KB |
Partially correct - number of queries: 5016 |
| 31 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 32 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 33 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 34 |
Correct |
0 ms |
6836 KB |
Output is correct |
| 35 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 36 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 37 |
Correct |
6 ms |
6704 KB |
Output is correct |
| 38 |
Correct |
9 ms |
6704 KB |
Output is correct |
| 39 |
Correct |
13 ms |
6836 KB |
Output is correct |
| 40 |
Correct |
43 ms |
6836 KB |
Output is correct |
| 41 |
Correct |
19 ms |
6836 KB |
Output is correct |
| 42 |
Correct |
9 ms |
6836 KB |
Output is correct |
| 43 |
Correct |
0 ms |
6836 KB |
Output is correct |
| 44 |
Correct |
6 ms |
6836 KB |
Output is correct |
| 45 |
Correct |
6 ms |
6836 KB |
Output is correct |
| 46 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 47 |
Correct |
0 ms |
6836 KB |
Output is correct |
| 48 |
Correct |
19 ms |
6836 KB |
Output is correct |
| 49 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 50 |
Partially correct |
23 ms |
6836 KB |
Partially correct - number of queries: 5049 |
| 51 |
Correct |
16 ms |
6836 KB |
Output is correct |
| 52 |
Correct |
9 ms |
6704 KB |
Output is correct |
| 53 |
Correct |
6 ms |
6704 KB |
Output is correct |
| 54 |
Correct |
13 ms |
6836 KB |
Output is correct |
| 55 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 56 |
Partially correct |
33 ms |
6836 KB |
Partially correct - number of queries: 5042 |
| 57 |
Correct |
16 ms |
6836 KB |
Output is correct |
| 58 |
Correct |
9 ms |
6836 KB |
Output is correct |
| 59 |
Correct |
13 ms |
6836 KB |
Output is correct |
| 60 |
Correct |
9 ms |
6836 KB |
Output is correct |
| 61 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 62 |
Correct |
6 ms |
6704 KB |
Output is correct |
| 63 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 64 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 65 |
Correct |
6 ms |
6704 KB |
Output is correct |
| 66 |
Correct |
6 ms |
6704 KB |
Output is correct |
| 67 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 68 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 69 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 70 |
Correct |
9 ms |
6704 KB |
Output is correct |
| 71 |
Partially correct |
6 ms |
6836 KB |
Partially correct - number of queries: 5206 |
| 72 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 73 |
Partially correct |
26 ms |
6836 KB |
Partially correct - number of queries: 5143 |
| 74 |
Partially correct |
19 ms |
6836 KB |
Partially correct - number of queries: 5170 |
| 75 |
Correct |
9 ms |
6704 KB |
Output is correct |
| 76 |
Correct |
16 ms |
6836 KB |
Output is correct |
| 77 |
Partially correct |
13 ms |
6836 KB |
Partially correct - number of queries: 5133 |
| 78 |
Correct |
9 ms |
6704 KB |
Output is correct |
| 79 |
Correct |
0 ms |
6836 KB |
Output is correct |
| 80 |
Partially correct |
29 ms |
6836 KB |
Partially correct - number of queries: 5138 |
| 81 |
Partially correct |
43 ms |
6836 KB |
Partially correct - number of queries: 5129 |
| 82 |
Partially correct |
6 ms |
6836 KB |
Partially correct - number of queries: 5081 |
| 83 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 84 |
Correct |
39 ms |
6836 KB |
Output is correct |
| 85 |
Partially correct |
43 ms |
6836 KB |
Partially correct - number of queries: 5111 |
| 86 |
Correct |
6 ms |
6704 KB |
Output is correct |
| 87 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 88 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 89 |
Correct |
9 ms |
6704 KB |
Output is correct |
| 90 |
Correct |
16 ms |
6704 KB |
Output is correct |
| 91 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 92 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 93 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 94 |
Correct |
3 ms |
6704 KB |
Output is correct |
| 95 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 96 |
Correct |
0 ms |
6704 KB |
Output is correct |
| 97 |
Correct |
6 ms |
6704 KB |
Output is correct |
