#include<bits/stdc++.h>
#include "prize.h"
using namespace std;
int find_best(int n) {
int l, r, mx = -1e9;
for (int i = 0;i < min(10, n);i++){
int ind = rand() % n;
vector<int> res = ask(ind);
if(res[0] + res[1] == 0)
return i;
mx = max(mx , res[0]+res[1]);
}
for(int i = 0; i < n; i++){
vector<int> res = ask(i);
if(res[0] + res[1] == 0)
return i;
mx = max(mx , res[0]+res[1]);
if((res[0]+res[1]) < mx) continue;
l = i + 1;
r = n - 1;
while(l <= r){
int mid = (l+r)/2;
vector<int> tmp=ask(mid);
if(tmp[0]+tmp[1]==0)return mid;
if(tmp == res){
i = mid;
l = mid+1;
}
else r = mid-1;
}
}
}
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type]
32 | }
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
372 KB |
Output is correct |
| 2 |
Correct |
1 ms |
256 KB |
Output is correct |
| 3 |
Correct |
1 ms |
256 KB |
Output is correct |
| 4 |
Correct |
1 ms |
256 KB |
Output is correct |
| 5 |
Correct |
1 ms |
256 KB |
Output is correct |
| 6 |
Correct |
1 ms |
256 KB |
Output is correct |
| 7 |
Correct |
1 ms |
256 KB |
Output is correct |
| 8 |
Correct |
1 ms |
256 KB |
Output is correct |
| 9 |
Correct |
1 ms |
256 KB |
Output is correct |
| 10 |
Correct |
1 ms |
256 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
256 KB |
Output is correct |
| 2 |
Correct |
1 ms |
368 KB |
Output is correct |
| 3 |
Correct |
1 ms |
256 KB |
Output is correct |
| 4 |
Correct |
1 ms |
256 KB |
Output is correct |
| 5 |
Correct |
0 ms |
368 KB |
Output is correct |
| 6 |
Correct |
1 ms |
256 KB |
Output is correct |
| 7 |
Correct |
1 ms |
256 KB |
Output is correct |
| 8 |
Correct |
1 ms |
256 KB |
Output is correct |
| 9 |
Correct |
1 ms |
256 KB |
Output is correct |
| 10 |
Correct |
1 ms |
256 KB |
Output is correct |
| 11 |
Correct |
4 ms |
256 KB |
Output is correct |
| 12 |
Correct |
1 ms |
256 KB |
Output is correct |
| 13 |
Correct |
7 ms |
256 KB |
Output is correct |
| 14 |
Correct |
5 ms |
256 KB |
Output is correct |
| 15 |
Correct |
12 ms |
256 KB |
Output is correct |
| 16 |
Partially correct |
76 ms |
256 KB |
Partially correct - number of queries: 7341 |
| 17 |
Correct |
1 ms |
400 KB |
Output is correct |
| 18 |
Partially correct |
82 ms |
256 KB |
Partially correct - number of queries: 8618 |
| 19 |
Correct |
1 ms |
256 KB |
Output is correct |
| 20 |
Correct |
31 ms |
256 KB |
Output is correct |
| 21 |
Correct |
34 ms |
256 KB |
Output is correct |
| 22 |
Correct |
7 ms |
256 KB |
Output is correct |
| 23 |
Correct |
1 ms |
256 KB |
Output is correct |
| 24 |
Correct |
1 ms |
256 KB |
Output is correct |
| 25 |
Correct |
47 ms |
256 KB |
Output is correct |
| 26 |
Correct |
44 ms |
256 KB |
Output is correct |
| 27 |
Correct |
1 ms |
364 KB |
Output is correct |
| 28 |
Partially correct |
66 ms |
256 KB |
Partially correct - number of queries: 8176 |
| 29 |
Partially correct |
55 ms |
360 KB |
Partially correct - number of queries: 6211 |
| 30 |
Partially correct |
65 ms |
256 KB |
Partially correct - number of queries: 8560 |
| 31 |
Correct |
1 ms |
256 KB |
Output is correct |
| 32 |
Correct |
4 ms |
256 KB |
Output is correct |
| 33 |
Correct |
1 ms |
256 KB |
Output is correct |
| 34 |
Correct |
37 ms |
256 KB |
Output is correct |
| 35 |
Correct |
2 ms |
256 KB |
Output is correct |
| 36 |
Correct |
20 ms |
256 KB |
Output is correct |
| 37 |
Correct |
2 ms |
384 KB |
Output is correct |
| 38 |
Correct |
1 ms |
368 KB |
Output is correct |
| 39 |
Correct |
50 ms |
256 KB |
Output is correct |
| 40 |
Partially correct |
93 ms |
256 KB |
Partially correct - number of queries: 7315 |
| 41 |
Partially correct |
45 ms |
256 KB |
Partially correct - number of queries: 5151 |
| 42 |
Partially correct |
27 ms |
384 KB |
Partially correct - number of queries: 5151 |
| 43 |
Correct |
55 ms |
384 KB |
Output is correct |
| 44 |
Correct |
46 ms |
256 KB |
Output is correct |
| 45 |
Correct |
26 ms |
256 KB |
Output is correct |
| 46 |
Correct |
1 ms |
256 KB |
Output is correct |
| 47 |
Correct |
22 ms |
256 KB |
Output is correct |
| 48 |
Partially correct |
61 ms |
256 KB |
Partially correct - number of queries: 6373 |
| 49 |
Correct |
7 ms |
256 KB |
Output is correct |
| 50 |
Partially correct |
70 ms |
384 KB |
Partially correct - number of queries: 8615 |
| 51 |
Correct |
44 ms |
256 KB |
Output is correct |
| 52 |
Correct |
2 ms |
256 KB |
Output is correct |
| 53 |
Correct |
2 ms |
256 KB |
Output is correct |
| 54 |
Correct |
41 ms |
256 KB |
Output is correct |
| 55 |
Correct |
1 ms |
256 KB |
Output is correct |
| 56 |
Partially correct |
106 ms |
256 KB |
Partially correct - number of queries: 8617 |
| 57 |
Partially correct |
75 ms |
256 KB |
Partially correct - number of queries: 6297 |
| 58 |
Partially correct |
62 ms |
256 KB |
Partially correct - number of queries: 6403 |
| 59 |
Partially correct |
47 ms |
256 KB |
Partially correct - number of queries: 5151 |
| 60 |
Correct |
45 ms |
256 KB |
Output is correct |
| 61 |
Correct |
2 ms |
256 KB |
Output is correct |
| 62 |
Correct |
1 ms |
384 KB |
Output is correct |
| 63 |
Correct |
3 ms |
256 KB |
Output is correct |
| 64 |
Correct |
1 ms |
256 KB |
Output is correct |
| 65 |
Correct |
1 ms |
256 KB |
Output is correct |
| 66 |
Correct |
6 ms |
256 KB |
Output is correct |
| 67 |
Correct |
1 ms |
256 KB |
Output is correct |
| 68 |
Correct |
5 ms |
256 KB |
Output is correct |
| 69 |
Correct |
7 ms |
256 KB |
Output is correct |
| 70 |
Correct |
1 ms |
256 KB |
Output is correct |
| 71 |
Partially correct |
61 ms |
256 KB |
Partially correct - number of queries: 8826 |
| 72 |
Correct |
7 ms |
256 KB |
Output is correct |
| 73 |
Partially correct |
80 ms |
256 KB |
Partially correct - number of queries: 8694 |
| 74 |
Partially correct |
78 ms |
256 KB |
Partially correct - number of queries: 8752 |
| 75 |
Correct |
2 ms |
256 KB |
Output is correct |
| 76 |
Partially correct |
71 ms |
256 KB |
Partially correct - number of queries: 7475 |
| 77 |
Partially correct |
73 ms |
256 KB |
Partially correct - number of queries: 8685 |
| 78 |
Correct |
7 ms |
256 KB |
Output is correct |
| 79 |
Correct |
37 ms |
256 KB |
Output is correct |
| 80 |
Partially correct |
77 ms |
256 KB |
Partially correct - number of queries: 8689 |
| 81 |
Partially correct |
86 ms |
256 KB |
Partially correct - number of queries: 8676 |
| 82 |
Partially correct |
95 ms |
256 KB |
Partially correct - number of queries: 8595 |
| 83 |
Correct |
2 ms |
256 KB |
Output is correct |
| 84 |
Partially correct |
67 ms |
256 KB |
Partially correct - number of queries: 7054 |
| 85 |
Partially correct |
56 ms |
256 KB |
Partially correct - number of queries: 8673 |
| 86 |
Partially correct |
70 ms |
256 KB |
Partially correct - number of queries: 8119 |
| 87 |
Correct |
6 ms |
256 KB |
Output is correct |
| 88 |
Partially correct |
61 ms |
256 KB |
Partially correct - number of queries: 7307 |
| 89 |
Partially correct |
76 ms |
256 KB |
Partially correct - number of queries: 8044 |
| 90 |
Correct |
2 ms |
256 KB |
Output is correct |
| 91 |
Correct |
46 ms |
256 KB |
Output is correct |
| 92 |
Correct |
1 ms |
256 KB |
Output is correct |
| 93 |
Correct |
7 ms |
256 KB |
Output is correct |
| 94 |
Correct |
7 ms |
256 KB |
Output is correct |
| 95 |
Correct |
5 ms |
256 KB |
Output is correct |
| 96 |
Correct |
6 ms |
256 KB |
Output is correct |
| 97 |
Correct |
1 ms |
256 KB |
Output is correct |
