#include <bits/stdc++.h>
#include "prize.h"
using namespace std;
const int MAXN = 2e5 + 5;
int find_best(int n){
int sum = 0, p = 500;
for(int i=0; i<min(n, 500); ++i){
vector<int> v = ask(i);
sum = max(sum, v[0] + v[1]);
if(v[0] + v[1] == 0) return i;
}
while(p < n){
vector<int> v = ask(p);
if(v[0] + v[1] == 0) return p;
int lo = p + 1, hi = n - 1, mid;
if(v[0] + v[1] == sum){
while(lo <= hi){
mid = (lo + hi)/2;
vector<int> ans = ask(mid);
if(ans[0] + ans[1] == 0) return mid;
if(lo == hi) break;
if(ans[0] + ans[1] < sum) hi = mid;
else if (ans[0]+ans[1] > sum) assert(false);
else{
if(v[1] - ans[1] > 0) hi = mid - 1;
else lo = mid + 1;
}
}
p = lo + 1;
}
else p++;
}
}
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:36:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
248 KB |
Output is correct |
| 2 |
Correct |
4 ms |
468 KB |
Output is correct |
| 3 |
Correct |
6 ms |
468 KB |
Output is correct |
| 4 |
Correct |
5 ms |
468 KB |
Output is correct |
| 5 |
Correct |
4 ms |
468 KB |
Output is correct |
| 6 |
Correct |
2 ms |
468 KB |
Output is correct |
| 7 |
Correct |
6 ms |
468 KB |
Output is correct |
| 8 |
Correct |
6 ms |
468 KB |
Output is correct |
| 9 |
Correct |
6 ms |
468 KB |
Output is correct |
| 10 |
Correct |
6 ms |
468 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
480 KB |
Output is correct |
| 2 |
Correct |
4 ms |
484 KB |
Output is correct |
| 3 |
Correct |
4 ms |
484 KB |
Output is correct |
| 4 |
Correct |
6 ms |
508 KB |
Output is correct |
| 5 |
Correct |
4 ms |
508 KB |
Output is correct |
| 6 |
Correct |
2 ms |
508 KB |
Output is correct |
| 7 |
Correct |
5 ms |
508 KB |
Output is correct |
| 8 |
Correct |
6 ms |
508 KB |
Output is correct |
| 9 |
Correct |
7 ms |
508 KB |
Output is correct |
| 10 |
Correct |
5 ms |
508 KB |
Output is correct |
| 11 |
Correct |
7 ms |
508 KB |
Output is correct |
| 12 |
Correct |
6 ms |
524 KB |
Output is correct |
| 13 |
Correct |
8 ms |
548 KB |
Output is correct |
| 14 |
Correct |
5 ms |
556 KB |
Output is correct |
| 15 |
Correct |
12 ms |
556 KB |
Output is correct |
| 16 |
Partially correct |
61 ms |
556 KB |
Partially correct - number of queries: 7575 |
| 17 |
Correct |
3 ms |
556 KB |
Output is correct |
| 18 |
Partially correct |
71 ms |
556 KB |
Partially correct - number of queries: 8808 |
| 19 |
Correct |
5 ms |
556 KB |
Output is correct |
| 20 |
Correct |
11 ms |
556 KB |
Output is correct |
| 21 |
Correct |
15 ms |
556 KB |
Output is correct |
| 22 |
Correct |
16 ms |
556 KB |
Output is correct |
| 23 |
Correct |
7 ms |
556 KB |
Output is correct |
| 24 |
Correct |
6 ms |
556 KB |
Output is correct |
| 25 |
Partially correct |
46 ms |
556 KB |
Partially correct - number of queries: 5174 |
| 26 |
Partially correct |
49 ms |
556 KB |
Partially correct - number of queries: 5113 |
| 27 |
Correct |
7 ms |
556 KB |
Output is correct |
| 28 |
Partially correct |
69 ms |
556 KB |
Partially correct - number of queries: 8385 |
| 29 |
Partially correct |
62 ms |
556 KB |
Partially correct - number of queries: 6460 |
| 30 |
Partially correct |
71 ms |
556 KB |
Partially correct - number of queries: 8742 |
| 31 |
Correct |
4 ms |
556 KB |
Output is correct |
| 32 |
Correct |
11 ms |
556 KB |
Output is correct |
| 33 |
Correct |
2 ms |
556 KB |
Output is correct |
| 34 |
Correct |
26 ms |
556 KB |
Output is correct |
| 35 |
Correct |
7 ms |
556 KB |
Output is correct |
| 36 |
Correct |
24 ms |
556 KB |
Output is correct |
| 37 |
Correct |
8 ms |
556 KB |
Output is correct |
| 38 |
Correct |
6 ms |
556 KB |
Output is correct |
| 39 |
Correct |
42 ms |
556 KB |
Output is correct |
| 40 |
Partially correct |
58 ms |
556 KB |
Partially correct - number of queries: 7542 |
| 41 |
Partially correct |
49 ms |
556 KB |
Partially correct - number of queries: 5455 |
| 42 |
Partially correct |
35 ms |
556 KB |
Partially correct - number of queries: 5455 |
| 43 |
Correct |
40 ms |
556 KB |
Output is correct |
| 44 |
Correct |
39 ms |
556 KB |
Output is correct |
| 45 |
Correct |
23 ms |
556 KB |
Output is correct |
| 46 |
Correct |
4 ms |
556 KB |
Output is correct |
| 47 |
Correct |
44 ms |
556 KB |
Output is correct |
| 48 |
Partially correct |
53 ms |
556 KB |
Partially correct - number of queries: 6634 |
| 49 |
Correct |
9 ms |
556 KB |
Output is correct |
| 50 |
Partially correct |
71 ms |
576 KB |
Partially correct - number of queries: 8797 |
| 51 |
Correct |
38 ms |
576 KB |
Output is correct |
| 52 |
Correct |
5 ms |
576 KB |
Output is correct |
| 53 |
Correct |
5 ms |
576 KB |
Output is correct |
| 54 |
Correct |
34 ms |
576 KB |
Output is correct |
| 55 |
Correct |
3 ms |
576 KB |
Output is correct |
| 56 |
Partially correct |
47 ms |
576 KB |
Partially correct - number of queries: 8797 |
| 57 |
Partially correct |
47 ms |
576 KB |
Partially correct - number of queries: 6560 |
| 58 |
Partially correct |
42 ms |
576 KB |
Partially correct - number of queries: 6661 |
| 59 |
Partially correct |
33 ms |
576 KB |
Partially correct - number of queries: 5455 |
| 60 |
Partially correct |
45 ms |
576 KB |
Partially correct - number of queries: 5098 |
| 61 |
Correct |
5 ms |
576 KB |
Output is correct |
| 62 |
Correct |
4 ms |
576 KB |
Output is correct |
| 63 |
Correct |
5 ms |
576 KB |
Output is correct |
| 64 |
Correct |
6 ms |
576 KB |
Output is correct |
| 65 |
Correct |
5 ms |
576 KB |
Output is correct |
| 66 |
Correct |
8 ms |
576 KB |
Output is correct |
| 67 |
Correct |
3 ms |
576 KB |
Output is correct |
| 68 |
Correct |
4 ms |
576 KB |
Output is correct |
| 69 |
Correct |
8 ms |
576 KB |
Output is correct |
| 70 |
Correct |
4 ms |
576 KB |
Output is correct |
| 71 |
Partially correct |
58 ms |
576 KB |
Partially correct - number of queries: 8756 |
| 72 |
Correct |
9 ms |
576 KB |
Output is correct |
| 73 |
Partially correct |
57 ms |
576 KB |
Partially correct - number of queries: 8648 |
| 74 |
Partially correct |
59 ms |
576 KB |
Partially correct - number of queries: 8696 |
| 75 |
Correct |
6 ms |
576 KB |
Output is correct |
| 76 |
Partially correct |
33 ms |
576 KB |
Partially correct - number of queries: 7560 |
| 77 |
Partially correct |
61 ms |
576 KB |
Partially correct - number of queries: 8823 |
| 78 |
Correct |
9 ms |
576 KB |
Output is correct |
| 79 |
Correct |
17 ms |
576 KB |
Output is correct |
| 80 |
Partially correct |
64 ms |
576 KB |
Partially correct - number of queries: 8836 |
| 81 |
Partially correct |
61 ms |
576 KB |
Partially correct - number of queries: 8841 |
| 82 |
Partially correct |
55 ms |
576 KB |
Partially correct - number of queries: 8737 |
| 83 |
Correct |
6 ms |
576 KB |
Output is correct |
| 84 |
Partially correct |
71 ms |
576 KB |
Partially correct - number of queries: 7276 |
| 85 |
Partially correct |
79 ms |
576 KB |
Partially correct - number of queries: 8800 |
| 86 |
Correct |
6 ms |
576 KB |
Output is correct |
| 87 |
Correct |
6 ms |
576 KB |
Output is correct |
| 88 |
Correct |
6 ms |
576 KB |
Output is correct |
| 89 |
Correct |
5 ms |
576 KB |
Output is correct |
| 90 |
Correct |
6 ms |
576 KB |
Output is correct |
| 91 |
Correct |
6 ms |
576 KB |
Output is correct |
| 92 |
Correct |
3 ms |
576 KB |
Output is correct |
| 93 |
Correct |
10 ms |
576 KB |
Output is correct |
| 94 |
Correct |
10 ms |
576 KB |
Output is correct |
| 95 |
Correct |
8 ms |
576 KB |
Output is correct |
| 96 |
Correct |
7 ms |
576 KB |
Output is correct |
| 97 |
Correct |
5 ms |
576 KB |
Output is correct |
