#include "prize.h"
#include <iostream>
using namespace std;
int gogo(int fr, int to, int lc, int rc, int mxc) {
if (lc + rc == mxc) {
return -1;
}
int mid = (fr + to) / 2;
int lto = mid, rfr = mid + 1;
vector<int> res;
int n = to - fr;
for (int i = 0; i < n; i++) {
if (i & 1) {
mid -= i;
} else {
mid += i;
}
lto = min(lto, mid);
rfr = max(rfr, mid + 1);
res = ask(mid);
int c = res[0] + res[1];
if (c == 0) {
return mid;
} else if (c == mxc) {
int lrc, rlc;
if (mid == lto) {
lrc = res[1];
rlc = res[0] + i;
} else {
lrc = res[1] + i;
rlc = res[0];
}
return max(gogo(fr, lto, lc, lrc, mxc), gogo(rfr, to, rlc, rc, mxc));
}
}
return -1;
}
int find_best(int n) {
int mxc = 0;
int lc = 0;
for(int i = 0; i < n && i < 500; i++) {
std::vector<int> res = ask(i);
lc = res[0];
if(res[0] + res[1] == 0)
return i;
if (res[0] + res[1] > mxc) {
mxc = res[0] + res[1];
}
}
return gogo(0, n, 0, 0, mxc);
}
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:43:9: warning: variable 'lc' set but not used [-Wunused-but-set-variable]
int lc = 0;
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
2020 KB |
Output is correct |
| 2 |
Correct |
5 ms |
2020 KB |
Output is correct |
| 3 |
Correct |
6 ms |
2020 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 7 |
Correct |
2 ms |
2020 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2020 KB |
Output is correct |
| 9 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 10 |
Correct |
3 ms |
2020 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
2020 KB |
Output is correct |
| 2 |
Correct |
11 ms |
2020 KB |
Output is correct |
| 3 |
Correct |
5 ms |
2020 KB |
Output is correct |
| 4 |
Correct |
3 ms |
2020 KB |
Output is correct |
| 5 |
Correct |
2 ms |
2020 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 7 |
Correct |
11 ms |
2020 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 9 |
Correct |
4 ms |
2020 KB |
Output is correct |
| 10 |
Correct |
6 ms |
2020 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 12 |
Correct |
5 ms |
2020 KB |
Output is correct |
| 13 |
Correct |
2 ms |
2020 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2020 KB |
Output is correct |
| 15 |
Correct |
11 ms |
2020 KB |
Output is correct |
| 16 |
Correct |
9 ms |
2020 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 18 |
Correct |
3 ms |
2020 KB |
Output is correct |
| 19 |
Correct |
2 ms |
2020 KB |
Output is correct |
| 20 |
Correct |
5 ms |
2020 KB |
Output is correct |
| 21 |
Correct |
11 ms |
2020 KB |
Output is correct |
| 22 |
Correct |
15 ms |
2020 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2020 KB |
Output is correct |
| 24 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 25 |
Correct |
13 ms |
2020 KB |
Output is correct |
| 26 |
Correct |
9 ms |
2020 KB |
Output is correct |
| 27 |
Correct |
16 ms |
2020 KB |
Output is correct |
| 28 |
Correct |
7 ms |
2020 KB |
Output is correct |
| 29 |
Correct |
1 ms |
2020 KB |
Output is correct |
| 30 |
Correct |
5 ms |
2020 KB |
Output is correct |
| 31 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 32 |
Correct |
1 ms |
2020 KB |
Output is correct |
| 33 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 34 |
Correct |
4 ms |
2020 KB |
Output is correct |
| 35 |
Correct |
15 ms |
2020 KB |
Output is correct |
| 36 |
Correct |
5 ms |
2020 KB |
Output is correct |
| 37 |
Correct |
1 ms |
2020 KB |
Output is correct |
| 38 |
Correct |
1 ms |
2020 KB |
Output is correct |
| 39 |
Correct |
27 ms |
2020 KB |
Output is correct |
| 40 |
Correct |
18 ms |
2020 KB |
Output is correct |
| 41 |
Correct |
21 ms |
2020 KB |
Output is correct |
| 42 |
Correct |
5 ms |
2020 KB |
Output is correct |
| 43 |
Correct |
18 ms |
2020 KB |
Output is correct |
| 44 |
Correct |
4 ms |
2020 KB |
Output is correct |
| 45 |
Correct |
9 ms |
2020 KB |
Output is correct |
| 46 |
Correct |
4 ms |
2020 KB |
Output is correct |
| 47 |
Correct |
3 ms |
2020 KB |
Output is correct |
| 48 |
Correct |
6 ms |
2020 KB |
Output is correct |
| 49 |
Correct |
13 ms |
2020 KB |
Output is correct |
| 50 |
Correct |
17 ms |
2020 KB |
Output is correct |
| 51 |
Correct |
20 ms |
2020 KB |
Output is correct |
| 52 |
Correct |
14 ms |
2020 KB |
Output is correct |
| 53 |
Correct |
11 ms |
2020 KB |
Output is correct |
| 54 |
Correct |
10 ms |
2020 KB |
Output is correct |
| 55 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 56 |
Correct |
18 ms |
2020 KB |
Output is correct |
| 57 |
Correct |
6 ms |
2020 KB |
Output is correct |
| 58 |
Correct |
3 ms |
2020 KB |
Output is correct |
| 59 |
Correct |
13 ms |
2020 KB |
Output is correct |
| 60 |
Correct |
9 ms |
2020 KB |
Output is correct |
| 61 |
Correct |
1 ms |
2020 KB |
Output is correct |
| 62 |
Correct |
2 ms |
2020 KB |
Output is correct |
| 63 |
Correct |
1 ms |
2020 KB |
Output is correct |
| 64 |
Correct |
3 ms |
2020 KB |
Output is correct |
| 65 |
Correct |
6 ms |
2020 KB |
Output is correct |
| 66 |
Correct |
1 ms |
2020 KB |
Output is correct |
| 67 |
Correct |
1 ms |
2020 KB |
Output is correct |
| 68 |
Correct |
5 ms |
2020 KB |
Output is correct |
| 69 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 70 |
Correct |
8 ms |
2020 KB |
Output is correct |
| 71 |
Partially correct |
18 ms |
2020 KB |
Partially correct - number of queries: 5259 |
| 72 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 73 |
Partially correct |
13 ms |
2020 KB |
Partially correct - number of queries: 5196 |
| 74 |
Partially correct |
4 ms |
2020 KB |
Partially correct - number of queries: 5223 |
| 75 |
Correct |
3 ms |
2020 KB |
Output is correct |
| 76 |
Correct |
15 ms |
2020 KB |
Output is correct |
| 77 |
Partially correct |
15 ms |
2020 KB |
Partially correct - number of queries: 5003 |
| 78 |
Correct |
6 ms |
2020 KB |
Output is correct |
| 79 |
Correct |
6 ms |
2020 KB |
Output is correct |
| 80 |
Partially correct |
12 ms |
2020 KB |
Partially correct - number of queries: 5028 |
| 81 |
Correct |
8 ms |
2020 KB |
Output is correct |
| 82 |
Correct |
10 ms |
2020 KB |
Output is correct |
| 83 |
Correct |
7 ms |
2020 KB |
Output is correct |
| 84 |
Correct |
2 ms |
2020 KB |
Output is correct |
| 85 |
Correct |
4 ms |
2020 KB |
Output is correct |
| 86 |
Correct |
2 ms |
2020 KB |
Output is correct |
| 87 |
Correct |
3 ms |
2020 KB |
Output is correct |
| 88 |
Correct |
1 ms |
2020 KB |
Output is correct |
| 89 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 90 |
Correct |
3 ms |
2020 KB |
Output is correct |
| 91 |
Correct |
3 ms |
2020 KB |
Output is correct |
| 92 |
Correct |
2 ms |
2020 KB |
Output is correct |
| 93 |
Correct |
5 ms |
2020 KB |
Output is correct |
| 94 |
Correct |
3 ms |
2020 KB |
Output is correct |
| 95 |
Correct |
8 ms |
2020 KB |
Output is correct |
| 96 |
Correct |
2 ms |
2020 KB |
Output is correct |
| 97 |
Correct |
8 ms |
2020 KB |
Output is correct |
