#include "bits/stdc++.h"
#include "prize.h"
//#define int long long
#define all(v) v.begin() , v.end()
#define sz(a) (int)a.size()
using namespace std;
const int S = 100;
const int S2 = 10;
int suf = -1;
vector<int> Cache={-1,-1};
map<int,vector<int>> dp;
vector<int> Ask(int i){
if(dp.count(i)) return dp[i];
return dp[i]=ask(i);
}
int ask_all(int l,int r){
for(int i=l;i<=r;i++){
vector<int> x = Ask(i);
if(x[0]+x[1]==0) return i;
if(x[1]==suf) Cache=x;
else suf--;
}
return -23;
}
int Learn(int l,int r){
if(l>r) return -1;
if(l==r){
auto u = Ask(l);
if(u[0]+u[1]==0) return l;
if(u[1]==suf) Cache=u;
else suf--;
return -1;
}
auto X = Ask(r);
if(X[0]+X[1]==0) return r;
if(X[1]==suf) return -1;
int mid = (l+r)/2;
auto u = Ask(mid);
if(u[0]+u[1]==0) return mid;
if(u[1]==suf) return Learn(mid+1,r);
int lf = Learn(l,mid-1);
if(lf!=-1) return lf;
if(u[1]==suf) Cache=u;
else suf--;
return Learn(mid+1,r);
}
int find_best(int n){
if(n<=1000) return ask_all(0,n-1);
for(int i=0;i<=500;i++){
vector<int> x = Ask(i);
if(x[0]+x[1]==0) return i;
if(x[0]+x[1]>=Cache[0]+Cache[1]){
Cache=x;
suf=Cache[1];
}
else suf--;
}
return Learn(501,n-1);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
592 KB |
Output is correct |
| 2 |
Correct |
10 ms |
484 KB |
Output is correct |
| 3 |
Correct |
9 ms |
336 KB |
Output is correct |
| 4 |
Correct |
8 ms |
592 KB |
Output is correct |
| 5 |
Correct |
10 ms |
592 KB |
Output is correct |
| 6 |
Correct |
1 ms |
336 KB |
Output is correct |
| 7 |
Correct |
9 ms |
592 KB |
Output is correct |
| 8 |
Correct |
9 ms |
848 KB |
Output is correct |
| 9 |
Correct |
9 ms |
700 KB |
Output is correct |
| 10 |
Correct |
9 ms |
336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
736 KB |
Output is correct |
| 2 |
Correct |
9 ms |
336 KB |
Output is correct |
| 3 |
Correct |
8 ms |
596 KB |
Output is correct |
| 4 |
Correct |
10 ms |
336 KB |
Output is correct |
| 5 |
Correct |
9 ms |
336 KB |
Output is correct |
| 6 |
Correct |
1 ms |
336 KB |
Output is correct |
| 7 |
Correct |
10 ms |
704 KB |
Output is correct |
| 8 |
Correct |
7 ms |
336 KB |
Output is correct |
| 9 |
Correct |
9 ms |
336 KB |
Output is correct |
| 10 |
Correct |
9 ms |
468 KB |
Output is correct |
| 11 |
Correct |
12 ms |
744 KB |
Output is correct |
| 12 |
Correct |
11 ms |
752 KB |
Output is correct |
| 13 |
Correct |
18 ms |
592 KB |
Output is correct |
| 14 |
Correct |
11 ms |
492 KB |
Output is correct |
| 15 |
Correct |
18 ms |
336 KB |
Output is correct |
| 16 |
Partially correct |
101 ms |
1504 KB |
Partially correct - number of queries: 5557 |
| 17 |
Correct |
7 ms |
336 KB |
Output is correct |
| 18 |
Partially correct |
123 ms |
1624 KB |
Partially correct - number of queries: 6628 |
| 19 |
Correct |
7 ms |
336 KB |
Output is correct |
| 20 |
Correct |
34 ms |
824 KB |
Output is correct |
| 21 |
Correct |
41 ms |
800 KB |
Output is correct |
| 22 |
Correct |
16 ms |
780 KB |
Output is correct |
| 23 |
Correct |
9 ms |
476 KB |
Output is correct |
| 24 |
Correct |
10 ms |
592 KB |
Output is correct |
| 25 |
Correct |
55 ms |
1076 KB |
Output is correct |
| 26 |
Correct |
71 ms |
740 KB |
Output is correct |
| 27 |
Correct |
12 ms |
336 KB |
Output is correct |
| 28 |
Partially correct |
103 ms |
1540 KB |
Partially correct - number of queries: 5791 |
| 29 |
Correct |
85 ms |
1172 KB |
Output is correct |
| 30 |
Partially correct |
127 ms |
1368 KB |
Partially correct - number of queries: 6509 |
| 31 |
Correct |
8 ms |
336 KB |
Output is correct |
| 32 |
Correct |
15 ms |
592 KB |
Output is correct |
| 33 |
Correct |
1 ms |
508 KB |
Output is correct |
| 34 |
Correct |
42 ms |
692 KB |
Output is correct |
| 35 |
Correct |
11 ms |
596 KB |
Output is correct |
| 36 |
Correct |
36 ms |
1000 KB |
Output is correct |
| 37 |
Correct |
13 ms |
588 KB |
Output is correct |
| 38 |
Correct |
9 ms |
592 KB |
Output is correct |
| 39 |
Correct |
54 ms |
776 KB |
Output is correct |
| 40 |
Partially correct |
108 ms |
1084 KB |
Partially correct - number of queries: 5755 |
| 41 |
Correct |
66 ms |
848 KB |
Output is correct |
| 42 |
Correct |
63 ms |
924 KB |
Output is correct |
| 43 |
Correct |
56 ms |
920 KB |
Output is correct |
| 44 |
Correct |
42 ms |
904 KB |
Output is correct |
| 45 |
Correct |
40 ms |
1040 KB |
Output is correct |
| 46 |
Correct |
6 ms |
504 KB |
Output is correct |
| 47 |
Correct |
44 ms |
884 KB |
Output is correct |
| 48 |
Correct |
91 ms |
952 KB |
Output is correct |
| 49 |
Correct |
18 ms |
736 KB |
Output is correct |
| 50 |
Partially correct |
118 ms |
2524 KB |
Partially correct - number of queries: 6618 |
| 51 |
Correct |
53 ms |
904 KB |
Output is correct |
| 52 |
Correct |
11 ms |
476 KB |
Output is correct |
| 53 |
Correct |
12 ms |
712 KB |
Output is correct |
| 54 |
Correct |
45 ms |
764 KB |
Output is correct |
| 55 |
Correct |
8 ms |
336 KB |
Output is correct |
| 56 |
Partially correct |
113 ms |
1576 KB |
Partially correct - number of queries: 6656 |
| 57 |
Correct |
89 ms |
1736 KB |
Output is correct |
| 58 |
Correct |
74 ms |
976 KB |
Output is correct |
| 59 |
Correct |
88 ms |
1072 KB |
Output is correct |
| 60 |
Correct |
68 ms |
1044 KB |
Output is correct |
| 61 |
Correct |
10 ms |
616 KB |
Output is correct |
| 62 |
Correct |
9 ms |
336 KB |
Output is correct |
| 63 |
Correct |
14 ms |
444 KB |
Output is correct |
| 64 |
Correct |
14 ms |
592 KB |
Output is correct |
| 65 |
Correct |
8 ms |
848 KB |
Output is correct |
| 66 |
Correct |
18 ms |
712 KB |
Output is correct |
| 67 |
Correct |
8 ms |
336 KB |
Output is correct |
| 68 |
Correct |
8 ms |
592 KB |
Output is correct |
| 69 |
Correct |
16 ms |
584 KB |
Output is correct |
| 70 |
Correct |
10 ms |
336 KB |
Output is correct |
| 71 |
Partially correct |
125 ms |
2324 KB |
Partially correct - number of queries: 6536 |
| 72 |
Correct |
17 ms |
604 KB |
Output is correct |
| 73 |
Partially correct |
134 ms |
1304 KB |
Partially correct - number of queries: 6459 |
| 74 |
Partially correct |
124 ms |
2160 KB |
Partially correct - number of queries: 6492 |
| 75 |
Correct |
12 ms |
336 KB |
Output is correct |
| 76 |
Partially correct |
113 ms |
1092 KB |
Partially correct - number of queries: 5744 |
| 77 |
Partially correct |
124 ms |
1232 KB |
Partially correct - number of queries: 6200 |
| 78 |
Correct |
19 ms |
756 KB |
Output is correct |
| 79 |
Correct |
66 ms |
940 KB |
Output is correct |
| 80 |
Partially correct |
118 ms |
1320 KB |
Partially correct - number of queries: 6182 |
| 81 |
Partially correct |
102 ms |
1520 KB |
Partially correct - number of queries: 6242 |
| 82 |
Partially correct |
127 ms |
1760 KB |
Partially correct - number of queries: 6074 |
| 83 |
Correct |
15 ms |
972 KB |
Output is correct |
| 84 |
Partially correct |
87 ms |
1404 KB |
Partially correct - number of queries: 5229 |
| 85 |
Partially correct |
124 ms |
988 KB |
Partially correct - number of queries: 6219 |
| 86 |
Correct |
12 ms |
592 KB |
Output is correct |
| 87 |
Correct |
10 ms |
492 KB |
Output is correct |
| 88 |
Correct |
8 ms |
336 KB |
Output is correct |
| 89 |
Correct |
9 ms |
604 KB |
Output is correct |
| 90 |
Correct |
10 ms |
468 KB |
Output is correct |
| 91 |
Correct |
9 ms |
336 KB |
Output is correct |
| 92 |
Correct |
11 ms |
596 KB |
Output is correct |
| 93 |
Correct |
15 ms |
528 KB |
Output is correct |
| 94 |
Correct |
17 ms |
508 KB |
Output is correct |
| 95 |
Correct |
12 ms |
504 KB |
Output is correct |
| 96 |
Correct |
15 ms |
504 KB |
Output is correct |
| 97 |
Correct |
9 ms |
336 KB |
Output is correct |
