#include "prize.h"
#include "bits/stdc++.h"
using namespace std;
#define forR(i, x) for(int i = 0; i < (x); ++i)
#define REP(i, a, b) for(int i = (a); i < (b); ++i)
struct pii{int a, b;};
typedef vector<int> vi;
vi getVal(int i, map<int, vi>& cache) {
if(cache.count(i)) return cache[i];
return cache[i] = ask(i);
}
void getBetter(int l, int r, int loid, int lOff, int rOff, map<int, vi>& cache) {
assert(l <= r);
int mid = (l + r) / 2;
REP(ci, mid, r+1) {
vi cv = getVal(ci, cache);
if(cv[0] + cv[1] == loid) {
if(cv[0] + lOff > 0) getBetter(l, ci - 1, loid, lOff, -cv[1], cache);
if(cv[1] + rOff > 0) getBetter(ci+1, r, loid, -cv[0], rOff, cache);
return;
}
}
for(int ci = mid - 1; ci >= l; --ci) {
vi cv = getVal(ci, cache);
if(cv[0] + cv[1] == loid) {
if(cv[0] + lOff > 0) getBetter(l, ci - 1, loid, lOff, -cv[1], cache);
if(cv[1] + rOff > 0) getBetter(ci+1, r, loid, -cv[0], rOff, cache);
return;
}
}
}
const int MV = 500;
int find_best(int n){
map<int, vi> ca;
forR(i, min(n, MV)) getVal(i, ca);
int loVal = ca[0][0] + ca[0][1];
forR(i, min(n, MV)) loVal = max(loVal, ca[i][0] + ca[i][1]);
getBetter(0, n-1, loVal, 0, 0, ca);
int bi = -1;
for(auto [ci, cv] : ca) if(cv[0] + cv[1] == 0) {
bi = ci;
}
assert(bi != -1);
return bi;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
600 KB |
Output is correct |
| 2 |
Correct |
2 ms |
344 KB |
Output is correct |
| 3 |
Correct |
3 ms |
344 KB |
Output is correct |
| 4 |
Correct |
2 ms |
432 KB |
Output is correct |
| 5 |
Correct |
2 ms |
344 KB |
Output is correct |
| 6 |
Correct |
2 ms |
344 KB |
Output is correct |
| 7 |
Correct |
2 ms |
344 KB |
Output is correct |
| 8 |
Correct |
2 ms |
428 KB |
Output is correct |
| 9 |
Correct |
2 ms |
344 KB |
Output is correct |
| 10 |
Correct |
2 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
344 KB |
Output is correct |
| 2 |
Correct |
4 ms |
600 KB |
Output is correct |
| 3 |
Correct |
3 ms |
600 KB |
Output is correct |
| 4 |
Correct |
3 ms |
344 KB |
Output is correct |
| 5 |
Correct |
3 ms |
344 KB |
Output is correct |
| 6 |
Correct |
2 ms |
344 KB |
Output is correct |
| 7 |
Correct |
2 ms |
344 KB |
Output is correct |
| 8 |
Correct |
3 ms |
428 KB |
Output is correct |
| 9 |
Correct |
2 ms |
596 KB |
Output is correct |
| 10 |
Correct |
3 ms |
344 KB |
Output is correct |
| 11 |
Correct |
4 ms |
344 KB |
Output is correct |
| 12 |
Correct |
5 ms |
344 KB |
Output is correct |
| 13 |
Correct |
4 ms |
344 KB |
Output is correct |
| 14 |
Correct |
6 ms |
600 KB |
Output is correct |
| 15 |
Partially correct |
19 ms |
768 KB |
Partially correct - number of queries: 5032 |
| 16 |
Partially correct |
17 ms |
1104 KB |
Partially correct - number of queries: 5255 |
| 17 |
Partially correct |
25 ms |
960 KB |
Partially correct - number of queries: 5258 |
| 18 |
Partially correct |
20 ms |
916 KB |
Partially correct - number of queries: 5255 |
| 19 |
Correct |
19 ms |
804 KB |
Output is correct |
| 20 |
Correct |
18 ms |
784 KB |
Output is correct |
| 21 |
Partially correct |
30 ms |
952 KB |
Partially correct - number of queries: 5223 |
| 22 |
Correct |
17 ms |
848 KB |
Output is correct |
| 23 |
Correct |
3 ms |
464 KB |
Output is correct |
| 24 |
Correct |
4 ms |
344 KB |
Output is correct |
| 25 |
Correct |
25 ms |
772 KB |
Output is correct |
| 26 |
Correct |
18 ms |
848 KB |
Output is correct |
| 27 |
Correct |
2 ms |
468 KB |
Output is correct |
| 28 |
Correct |
29 ms |
1388 KB |
Output is correct |
| 29 |
Correct |
16 ms |
856 KB |
Output is correct |
| 30 |
Partially correct |
21 ms |
848 KB |
Partially correct - number of queries: 5224 |
| 31 |
Partially correct |
28 ms |
752 KB |
Partially correct - number of queries: 5222 |
| 32 |
Correct |
4 ms |
452 KB |
Output is correct |
| 33 |
Correct |
1 ms |
344 KB |
Output is correct |
| 34 |
Partially correct |
22 ms |
796 KB |
Partially correct - number of queries: 5260 |
| 35 |
Correct |
4 ms |
464 KB |
Output is correct |
| 36 |
Partially correct |
21 ms |
1040 KB |
Partially correct - number of queries: 5223 |
| 37 |
Correct |
4 ms |
344 KB |
Output is correct |
| 38 |
Correct |
2 ms |
344 KB |
Output is correct |
| 39 |
Partially correct |
26 ms |
976 KB |
Partially correct - number of queries: 5223 |
| 40 |
Correct |
26 ms |
856 KB |
Output is correct |
| 41 |
Partially correct |
32 ms |
848 KB |
Partially correct - number of queries: 5259 |
| 42 |
Partially correct |
24 ms |
968 KB |
Partially correct - number of queries: 5259 |
| 43 |
Partially correct |
17 ms |
960 KB |
Partially correct - number of queries: 5125 |
| 44 |
Partially correct |
21 ms |
856 KB |
Partially correct - number of queries: 5258 |
| 45 |
Correct |
33 ms |
696 KB |
Output is correct |
| 46 |
Partially correct |
27 ms |
1220 KB |
Partially correct - number of queries: 5257 |
| 47 |
Correct |
24 ms |
992 KB |
Output is correct |
| 48 |
Partially correct |
16 ms |
848 KB |
Partially correct - number of queries: 5257 |
| 49 |
Partially correct |
20 ms |
856 KB |
Partially correct - number of queries: 5255 |
| 50 |
Partially correct |
17 ms |
856 KB |
Partially correct - number of queries: 5260 |
| 51 |
Partially correct |
26 ms |
1268 KB |
Partially correct - number of queries: 5254 |
| 52 |
Partially correct |
16 ms |
936 KB |
Partially correct - number of queries: 5258 |
| 53 |
Correct |
3 ms |
340 KB |
Output is correct |
| 54 |
Partially correct |
40 ms |
916 KB |
Partially correct - number of queries: 5227 |
| 55 |
Partially correct |
20 ms |
944 KB |
Partially correct - number of queries: 5256 |
| 56 |
Partially correct |
27 ms |
888 KB |
Partially correct - number of queries: 5259 |
| 57 |
Partially correct |
22 ms |
856 KB |
Partially correct - number of queries: 5222 |
| 58 |
Partially correct |
28 ms |
944 KB |
Partially correct - number of queries: 5257 |
| 59 |
Partially correct |
36 ms |
936 KB |
Partially correct - number of queries: 5263 |
| 60 |
Partially correct |
27 ms |
1648 KB |
Partially correct - number of queries: 5221 |
| 61 |
Correct |
3 ms |
344 KB |
Output is correct |
| 62 |
Correct |
3 ms |
344 KB |
Output is correct |
| 63 |
Correct |
3 ms |
496 KB |
Output is correct |
| 64 |
Correct |
3 ms |
344 KB |
Output is correct |
| 65 |
Correct |
3 ms |
344 KB |
Output is correct |
| 66 |
Correct |
6 ms |
452 KB |
Output is correct |
| 67 |
Correct |
3 ms |
344 KB |
Output is correct |
| 68 |
Correct |
2 ms |
344 KB |
Output is correct |
| 69 |
Correct |
4 ms |
600 KB |
Output is correct |
| 70 |
Correct |
4 ms |
428 KB |
Output is correct |
| 71 |
Partially correct |
19 ms |
1148 KB |
Partially correct - number of queries: 5258 |
| 72 |
Correct |
3 ms |
344 KB |
Output is correct |
| 73 |
Partially correct |
25 ms |
852 KB |
Partially correct - number of queries: 5195 |
| 74 |
Partially correct |
22 ms |
904 KB |
Partially correct - number of queries: 5222 |
| 75 |
Correct |
3 ms |
340 KB |
Output is correct |
| 76 |
Correct |
23 ms |
788 KB |
Output is correct |
| 77 |
Partially correct |
22 ms |
1064 KB |
Partially correct - number of queries: 5396 |
| 78 |
Correct |
3 ms |
600 KB |
Output is correct |
| 79 |
Correct |
8 ms |
600 KB |
Output is correct |
| 80 |
Partially correct |
25 ms |
1072 KB |
Partially correct - number of queries: 5380 |
| 81 |
Partially correct |
14 ms |
856 KB |
Partially correct - number of queries: 5366 |
| 82 |
Partially correct |
16 ms |
848 KB |
Partially correct - number of queries: 5318 |
| 83 |
Correct |
2 ms |
344 KB |
Output is correct |
| 84 |
Correct |
25 ms |
848 KB |
Output is correct |
| 85 |
Partially correct |
22 ms |
848 KB |
Partially correct - number of queries: 5334 |
| 86 |
Correct |
2 ms |
344 KB |
Output is correct |
| 87 |
Correct |
2 ms |
344 KB |
Output is correct |
| 88 |
Correct |
2 ms |
344 KB |
Output is correct |
| 89 |
Correct |
3 ms |
344 KB |
Output is correct |
| 90 |
Correct |
3 ms |
344 KB |
Output is correct |
| 91 |
Correct |
3 ms |
344 KB |
Output is correct |
| 92 |
Correct |
4 ms |
344 KB |
Output is correct |
| 93 |
Correct |
4 ms |
344 KB |
Output is correct |
| 94 |
Correct |
5 ms |
344 KB |
Output is correct |
| 95 |
Correct |
4 ms |
344 KB |
Output is correct |
| 96 |
Correct |
4 ms |
340 KB |
Output is correct |
| 97 |
Correct |
4 ms |
344 KB |
Output is correct |
