#include "prize.h"
using namespace std;
int bs(int n) {
int l = 0, r = n-1, mid, ans=-1;
while(r >= l) {
mid = l + (r-l)/2;
vector<int> a = ask(mid);
if(a[0] == 0 && a[1] == 0) { ans = mid; break; }
if(a[0] == 1) r = mid-1;
else l = mid+1;
}
return ans;
}
int find_best(int n) {
return bs(n);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
284 KB |
Output is correct |
2 |
Correct |
1 ms |
200 KB |
Output is correct |
3 |
Correct |
1 ms |
200 KB |
Output is correct |
4 |
Correct |
1 ms |
284 KB |
Output is correct |
5 |
Correct |
1 ms |
200 KB |
Output is correct |
6 |
Correct |
1 ms |
328 KB |
Output is correct |
7 |
Correct |
1 ms |
200 KB |
Output is correct |
8 |
Correct |
1 ms |
328 KB |
Output is correct |
9 |
Correct |
1 ms |
288 KB |
Output is correct |
10 |
Correct |
1 ms |
200 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
200 KB |
Output is correct |
2 |
Correct |
1 ms |
280 KB |
Output is correct |
3 |
Correct |
1 ms |
284 KB |
Output is correct |
4 |
Correct |
1 ms |
200 KB |
Output is correct |
5 |
Correct |
1 ms |
200 KB |
Output is correct |
6 |
Correct |
1 ms |
280 KB |
Output is correct |
7 |
Correct |
1 ms |
264 KB |
Output is correct |
8 |
Correct |
1 ms |
280 KB |
Output is correct |
9 |
Correct |
1 ms |
288 KB |
Output is correct |
10 |
Correct |
1 ms |
200 KB |
Output is correct |
11 |
Incorrect |
1 ms |
272 KB |
Integer -1 violates the range [0, 199999] |
12 |
Halted |
0 ms |
0 KB |
- |