#include "gap.h"
#include <bits/stdc++.h>
using namespace std;
long long findGap(int type, int n) {
constexpr long long C = 1e18;
if (type == 1 || n <= 11) {
vector<long long> a(n);
int idx_l = 0, idx_r = n - 1;
long long l = 0, r = C;
for (int t = 0; t < (n + 1) / 2; t++) {
MinMax(l, r, &a[idx_l], &a[idx_r]);
l = a[idx_l] + 1;
r = a[idx_r] - 1;
idx_l++;
idx_r--;
}
long long ans = 0;
for (int i = 0; i + 1 < n; i++) {
ans = max(ans, a[i + 1] - a[i]);
}
return ans;
} else {
long long x;
long long last;
MinMax(0, C, &x, &last);
long long ans = 1;
while (last - x > ans) {
// with x, find some d such that [x, x + d] is only x, and [x + d + 1, x + d + 1 + d] is none empty and is (mn, mx)
// update ans with mn - x, and set new x to mx
// jump x until [x + ans] is only x
while (last - x > ans) {
// assert( [x, x + ans] is only x)
long long s = x + ans + 1;
assert(s <= C);
long long mn, mx;
MinMax(s, s + ans, &mn, &mx);
if (mn == -1) {
ans = ans + ans + 1;
} else {
ans = mn - x;
x = mx;
break;
}
}
while (last - x > ans) {
long long mn, mx;
MinMax(x + 1, x + ans, &mn, &mx);
if (mn == -1) {
break;
} else {
x = mx;
}
}
}
return ans;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
388 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
432 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
7 ms |
856 KB |
Output is correct |
17 |
Correct |
7 ms |
856 KB |
Output is correct |
18 |
Correct |
8 ms |
660 KB |
Output is correct |
19 |
Correct |
8 ms |
816 KB |
Output is correct |
20 |
Correct |
5 ms |
696 KB |
Output is correct |
21 |
Correct |
29 ms |
2032 KB |
Output is correct |
22 |
Correct |
29 ms |
1812 KB |
Output is correct |
23 |
Correct |
30 ms |
1880 KB |
Output is correct |
24 |
Correct |
29 ms |
1948 KB |
Output is correct |
25 |
Correct |
24 ms |
1880 KB |
Output is correct |
26 |
Correct |
35 ms |
1964 KB |
Output is correct |
27 |
Correct |
43 ms |
1972 KB |
Output is correct |
28 |
Correct |
32 ms |
1884 KB |
Output is correct |
29 |
Correct |
34 ms |
1772 KB |
Output is correct |
30 |
Correct |
22 ms |
1880 KB |
Output is correct |
31 |
Correct |
1 ms |
344 KB |
Output is correct |
32 |
Correct |
0 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Partially correct |
0 ms |
344 KB |
Partially correct |
3 |
Partially correct |
1 ms |
344 KB |
Partially correct |
4 |
Partially correct |
0 ms |
344 KB |
Partially correct |
5 |
Partially correct |
0 ms |
344 KB |
Partially correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
344 KB |
Output is correct |
15 |
Partially correct |
1 ms |
344 KB |
Partially correct |
16 |
Correct |
6 ms |
600 KB |
Output is correct |
17 |
Correct |
6 ms |
600 KB |
Output is correct |
18 |
Correct |
5 ms |
600 KB |
Output is correct |
19 |
Correct |
5 ms |
600 KB |
Output is correct |
20 |
Correct |
3 ms |
600 KB |
Output is correct |
21 |
Correct |
28 ms |
1112 KB |
Output is correct |
22 |
Correct |
21 ms |
1112 KB |
Output is correct |
23 |
Correct |
22 ms |
1176 KB |
Output is correct |
24 |
Correct |
25 ms |
1128 KB |
Output is correct |
25 |
Partially correct |
38 ms |
1216 KB |
Partially correct |
26 |
Correct |
23 ms |
1112 KB |
Output is correct |
27 |
Correct |
23 ms |
1176 KB |
Output is correct |
28 |
Correct |
25 ms |
1236 KB |
Output is correct |
29 |
Correct |
20 ms |
1112 KB |
Output is correct |
30 |
Correct |
15 ms |
1112 KB |
Output is correct |
31 |
Partially correct |
0 ms |
344 KB |
Partially correct |
32 |
Correct |
0 ms |
344 KB |
Output is correct |