#include "gap.h"
#include <bits/stdc++.h>
using namespace std;
#define int64_t long long
long long findGap(int T, int N) {
if (T == 1) {
vector<int64_t> l, r;
int times = N + 1 >> 1;
int64_t ll = 0, rr = 1e18;
while (times--) {
int64_t a, b;
MinMax(ll, rr, &a, &b);
l.emplace_back(a);
r.emplace_back(b);
ll = a + 1, rr = b - 1;
}
if (l.back() == r.back()) l.pop_back();
reverse(r.begin(), r.end());
l.insert(l.end(), r.begin(), r.end());
int64_t res = 0;
for (int i = 1; i < N; i++) res = max(res, l[i] - l[i - 1]);
return res;
} else {
int64_t res = 0;
int64_t LIMIT_LEFT, LIMIT_RIGHT;
MinMax(0, 1e18, &LIMIT_LEFT, &LIMIT_RIGHT);
if (N == 2) return LIMIT_RIGHT - LIMIT_LEFT;
LIMIT_LEFT++;
LIMIT_RIGHT--;
N -= 2;
const int64_t BLOCK_SIZE = (LIMIT_RIGHT - LIMIT_LEFT + N) / (N + 1);
int64_t cur_l = LIMIT_LEFT;
int64_t last = LIMIT_LEFT - 1;
while (cur_l <= LIMIT_RIGHT) {
int64_t l = cur_l;
int64_t r = cur_l + BLOCK_SIZE - 1;
r = min<int64_t>(r, LIMIT_RIGHT);
cur_l = r + 1;
int64_t a, b;
MinMax(l, r, &a, &b);
if (a == -1) continue;
if (last != -1) res = max(res, a - last);
last = b;
}
res = max(res, LIMIT_RIGHT + 1 - last);
return res;
}
return 0;
}
Compilation message
gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:10:31: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
10 | int times = N + 1 >> 1;
| ~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
0 ms |
208 KB |
Output is correct |
6 |
Correct |
0 ms |
208 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
1 ms |
208 KB |
Output is correct |
9 |
Correct |
0 ms |
208 KB |
Output is correct |
10 |
Correct |
1 ms |
208 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
9 ms |
940 KB |
Output is correct |
17 |
Correct |
9 ms |
976 KB |
Output is correct |
18 |
Correct |
9 ms |
948 KB |
Output is correct |
19 |
Correct |
10 ms |
976 KB |
Output is correct |
20 |
Correct |
7 ms |
976 KB |
Output is correct |
21 |
Correct |
40 ms |
2692 KB |
Output is correct |
22 |
Correct |
34 ms |
2760 KB |
Output is correct |
23 |
Correct |
44 ms |
2876 KB |
Output is correct |
24 |
Correct |
38 ms |
2744 KB |
Output is correct |
25 |
Correct |
31 ms |
2752 KB |
Output is correct |
26 |
Correct |
37 ms |
2760 KB |
Output is correct |
27 |
Correct |
35 ms |
2780 KB |
Output is correct |
28 |
Correct |
41 ms |
2756 KB |
Output is correct |
29 |
Correct |
38 ms |
2672 KB |
Output is correct |
30 |
Correct |
32 ms |
2796 KB |
Output is correct |
31 |
Correct |
0 ms |
208 KB |
Output is correct |
32 |
Correct |
1 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
8 |
Correct |
1 ms |
208 KB |
Output is correct |
9 |
Correct |
0 ms |
208 KB |
Output is correct |
10 |
Correct |
0 ms |
252 KB |
Output is correct |
11 |
Correct |
1 ms |
208 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
13 ms |
464 KB |
Output is correct |
17 |
Correct |
14 ms |
464 KB |
Output is correct |
18 |
Correct |
11 ms |
464 KB |
Output is correct |
19 |
Correct |
12 ms |
464 KB |
Output is correct |
20 |
Correct |
7 ms |
432 KB |
Output is correct |
21 |
Correct |
50 ms |
1056 KB |
Output is correct |
22 |
Correct |
48 ms |
1056 KB |
Output is correct |
23 |
Correct |
53 ms |
1060 KB |
Output is correct |
24 |
Correct |
50 ms |
1160 KB |
Output is correct |
25 |
Correct |
47 ms |
968 KB |
Output is correct |
26 |
Correct |
53 ms |
1160 KB |
Output is correct |
27 |
Correct |
49 ms |
1084 KB |
Output is correct |
28 |
Correct |
53 ms |
1088 KB |
Output is correct |
29 |
Correct |
49 ms |
1060 KB |
Output is correct |
30 |
Correct |
27 ms |
968 KB |
Output is correct |
31 |
Correct |
0 ms |
208 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |