#include <bits/stdc++.h>
#include "prize.h"
using namespace std;
vector< vector< int > > memo;
int TOT = 0;
vector< int > ASK(int a){
if(memo[a][0] != -1) return memo[a];
else{
TOT++;
//assert(TOT < 10000);
return memo[a] = ask(a);
}
}
int find_best(int n) {
int poppy_index = -1;
int poppy_tot = 0;
memo.resize(n, vector< int >(2,-1));
for(int i = 0; i < min(n,50); i++){
vector< int > query = ASK(i);
if(query[0] + query[1] >= poppy_tot){
poppy_tot = query[0] + query[1];
poppy_index = i;
}else if(query[0] + query[1] == 0){
return i;
}
}
int curr = poppy_index+1;
while(curr < n){
vector< int > query = ASK(curr);
if(query[0] + query[1] == 0) return curr;
while(query[0] + query[1] != poppy_tot){
curr++;
query = ASK(curr);
if(query[0] + query[1] == 0) return curr;
}
int left = curr+1;
int right = n-1;
while(left < right){
int mid = (left+right)/2;
vector< int > Q = ASK(mid);
if(Q[0] + Q[1] == 0) return mid;
if(Q[0] + Q[1] == poppy_tot && Q[0] - query[0] == 0) left = mid+1;
else if(Q[0] + Q[1] == poppy_tot && Q[0] - query[0] > 0) right = mid-1;
else if(Q[0] + Q[1] != poppy_tot) right = mid;
}
curr = left;
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
21 ms |
11384 KB |
Output is correct |
| 2 |
Correct |
20 ms |
11384 KB |
Output is correct |
| 3 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 4 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 5 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 6 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 7 |
Correct |
20 ms |
11268 KB |
Output is correct |
| 8 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 9 |
Correct |
20 ms |
11268 KB |
Output is correct |
| 10 |
Correct |
20 ms |
11256 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
20 ms |
11304 KB |
Output is correct |
| 2 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 3 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 4 |
Correct |
20 ms |
11188 KB |
Output is correct |
| 5 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 6 |
Correct |
21 ms |
11256 KB |
Output is correct |
| 7 |
Correct |
20 ms |
11188 KB |
Output is correct |
| 8 |
Correct |
20 ms |
11384 KB |
Output is correct |
| 9 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 10 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 11 |
Correct |
23 ms |
11256 KB |
Output is correct |
| 12 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 13 |
Correct |
28 ms |
11256 KB |
Output is correct |
| 14 |
Correct |
10 ms |
1400 KB |
Output is correct |
| 15 |
Correct |
28 ms |
11256 KB |
Output is correct |
| 16 |
Partially correct |
91 ms |
11268 KB |
Partially correct - number of queries: 6714 |
| 17 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 18 |
Partially correct |
95 ms |
11192 KB |
Partially correct - number of queries: 7846 |
| 19 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 20 |
Correct |
36 ms |
5880 KB |
Output is correct |
| 21 |
Correct |
50 ms |
11176 KB |
Output is correct |
| 22 |
Correct |
23 ms |
11256 KB |
Output is correct |
| 23 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 24 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 25 |
Correct |
56 ms |
11256 KB |
Output is correct |
| 26 |
Correct |
62 ms |
11256 KB |
Output is correct |
| 27 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 28 |
Partially correct |
94 ms |
11256 KB |
Partially correct - number of queries: 7395 |
| 29 |
Partially correct |
85 ms |
11256 KB |
Partially correct - number of queries: 5618 |
| 30 |
Partially correct |
80 ms |
11184 KB |
Partially correct - number of queries: 7791 |
| 31 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 32 |
Correct |
26 ms |
11256 KB |
Output is correct |
| 33 |
Correct |
2 ms |
248 KB |
Output is correct |
| 34 |
Correct |
39 ms |
11188 KB |
Output is correct |
| 35 |
Correct |
21 ms |
11256 KB |
Output is correct |
| 36 |
Correct |
46 ms |
11256 KB |
Output is correct |
| 37 |
Correct |
21 ms |
11256 KB |
Output is correct |
| 38 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 39 |
Correct |
61 ms |
11256 KB |
Output is correct |
| 40 |
Partially correct |
74 ms |
11176 KB |
Partially correct - number of queries: 6680 |
| 41 |
Correct |
51 ms |
11256 KB |
Output is correct |
| 42 |
Correct |
65 ms |
11272 KB |
Output is correct |
| 43 |
Correct |
60 ms |
11256 KB |
Output is correct |
| 44 |
Correct |
41 ms |
11256 KB |
Output is correct |
| 45 |
Correct |
46 ms |
11256 KB |
Output is correct |
| 46 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 47 |
Correct |
59 ms |
11188 KB |
Output is correct |
| 48 |
Partially correct |
80 ms |
11268 KB |
Partially correct - number of queries: 5829 |
| 49 |
Correct |
22 ms |
11256 KB |
Output is correct |
| 50 |
Partially correct |
84 ms |
11256 KB |
Partially correct - number of queries: 7843 |
| 51 |
Correct |
59 ms |
11188 KB |
Output is correct |
| 52 |
Correct |
20 ms |
11384 KB |
Output is correct |
| 53 |
Correct |
21 ms |
11256 KB |
Output is correct |
| 54 |
Correct |
50 ms |
11256 KB |
Output is correct |
| 55 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 56 |
Partially correct |
103 ms |
11260 KB |
Partially correct - number of queries: 7840 |
| 57 |
Partially correct |
52 ms |
11256 KB |
Partially correct - number of queries: 5746 |
| 58 |
Partially correct |
84 ms |
11256 KB |
Partially correct - number of queries: 5817 |
| 59 |
Correct |
45 ms |
11184 KB |
Output is correct |
| 60 |
Correct |
43 ms |
11272 KB |
Output is correct |
| 61 |
Correct |
20 ms |
11312 KB |
Output is correct |
| 62 |
Correct |
20 ms |
11260 KB |
Output is correct |
| 63 |
Correct |
21 ms |
11272 KB |
Output is correct |
| 64 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 65 |
Correct |
21 ms |
11256 KB |
Output is correct |
| 66 |
Correct |
21 ms |
11256 KB |
Output is correct |
| 67 |
Correct |
20 ms |
11192 KB |
Output is correct |
| 68 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 69 |
Correct |
24 ms |
11256 KB |
Output is correct |
| 70 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 71 |
Partially correct |
100 ms |
11260 KB |
Partially correct - number of queries: 7790 |
| 72 |
Correct |
27 ms |
11384 KB |
Output is correct |
| 73 |
Partially correct |
109 ms |
11256 KB |
Partially correct - number of queries: 7697 |
| 74 |
Partially correct |
79 ms |
11292 KB |
Partially correct - number of queries: 7755 |
| 75 |
Correct |
20 ms |
11256 KB |
Output is correct |
| 76 |
Partially correct |
56 ms |
11256 KB |
Partially correct - number of queries: 6671 |
| 77 |
Partially correct |
63 ms |
11256 KB |
Partially correct - number of queries: 7881 |
| 78 |
Correct |
28 ms |
11256 KB |
Output is correct |
| 79 |
Correct |
39 ms |
11256 KB |
Output is correct |
| 80 |
Partially correct |
107 ms |
11256 KB |
Partially correct - number of queries: 7883 |
| 81 |
Partially correct |
63 ms |
11256 KB |
Partially correct - number of queries: 7859 |
| 82 |
Partially correct |
92 ms |
11256 KB |
Partially correct - number of queries: 7815 |
| 83 |
Correct |
24 ms |
11268 KB |
Output is correct |
| 84 |
Partially correct |
79 ms |
11256 KB |
Partially correct - number of queries: 6450 |
| 85 |
Partially correct |
71 ms |
11256 KB |
Partially correct - number of queries: 7867 |
| 86 |
Incorrect |
96 ms |
11188 KB |
Incorrect |
| 87 |
Halted |
0 ms |
0 KB |
- |
