#include "gap.h"
#include <bits/stdc++.h>
using ll = long long;
ll gMaxDiff = 0;
std::set<ll> found;
int targetCount;
void maxDiff(ll min, ll max)
{
found.insert(min);
found.insert(max);
if (found.size() >= targetCount)
{
gMaxDiff = std::max(gMaxDiff, max - min);
return;
}
ll mid = min + (max - min) / 2;
ll s1Min, s1Max;
MinMax(min + 1, mid, &s1Min, &s1Max);
bool s1Pop = s1Min != -1;
ll s2Min, s2Max;
MinMax(mid + 1, max - 1, &s2Min, &s2Max);
bool s2Pop = s2Min != -1;
if (s1Pop && s2Pop)
{
gMaxDiff = std::max(gMaxDiff, s2Min - s1Max);
gMaxDiff = std::max(gMaxDiff, s1Min - min);
gMaxDiff = std::max(gMaxDiff, max - s2Max);
}
else if (!s1Pop && s2Pop)
{
gMaxDiff = std::max(gMaxDiff, s2Min - min);
gMaxDiff = std::max(gMaxDiff, max - s2Max);
}
else if (s1Pop && !s2Pop)
{
gMaxDiff = std::max(gMaxDiff, s1Min - min);
gMaxDiff = std::max(gMaxDiff, max - s1Max);
}
else if (!s1Pop && !s2Pop)
{
gMaxDiff = std::max(gMaxDiff, max - min);
}
if (s1Pop && s1Max - s1Min > gMaxDiff)
maxDiff(s1Min, s1Max);
if (s2Pop && s2Max - s2Min > gMaxDiff)
maxDiff(s2Min, s2Max);
}
long long findGap(int T, int N)
{
if (T == 1)
{
ll min = 0;
ll max = 1000000000000000000;
std::vector<ll> numbers(N);
for (int i = 0; 2 * i < N; i++)
{
ll nextMin, nextMax;
MinMax(min, max, &nextMin, &nextMax);
numbers[i] = nextMin;
numbers[numbers.size() - i - 1] = nextMax;
min = nextMin + 1;
max = nextMax - 1;
}
for (int i = 1; i < N; i++)
{
gMaxDiff = std::max(gMaxDiff, numbers[i] - numbers[i - 1]);
}
}
else
{
ll min, max;
MinMax(0, 1000000000000000000, &min, &max);
targetCount = N;
maxDiff(min, max);
}
return gMaxDiff;
}
Compilation message
gap.cpp: In function 'void maxDiff(ll, ll)':
gap.cpp:16:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (found.size() >= targetCount)
~~~~~~~~~~~~~^~~~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
376 KB |
Output is correct |
| 2 |
Correct |
3 ms |
376 KB |
Output is correct |
| 3 |
Correct |
3 ms |
400 KB |
Output is correct |
| 4 |
Correct |
3 ms |
476 KB |
Output is correct |
| 5 |
Correct |
3 ms |
492 KB |
Output is correct |
| 6 |
Correct |
3 ms |
544 KB |
Output is correct |
| 7 |
Correct |
3 ms |
544 KB |
Output is correct |
| 8 |
Correct |
4 ms |
544 KB |
Output is correct |
| 9 |
Correct |
4 ms |
592 KB |
Output is correct |
| 10 |
Correct |
3 ms |
592 KB |
Output is correct |
| 11 |
Correct |
4 ms |
592 KB |
Output is correct |
| 12 |
Correct |
2 ms |
592 KB |
Output is correct |
| 13 |
Correct |
3 ms |
592 KB |
Output is correct |
| 14 |
Correct |
3 ms |
592 KB |
Output is correct |
| 15 |
Correct |
3 ms |
592 KB |
Output is correct |
| 16 |
Correct |
21 ms |
1004 KB |
Output is correct |
| 17 |
Correct |
19 ms |
1004 KB |
Output is correct |
| 18 |
Correct |
17 ms |
1004 KB |
Output is correct |
| 19 |
Correct |
18 ms |
1004 KB |
Output is correct |
| 20 |
Correct |
15 ms |
1004 KB |
Output is correct |
| 21 |
Correct |
76 ms |
2124 KB |
Output is correct |
| 22 |
Correct |
69 ms |
2156 KB |
Output is correct |
| 23 |
Correct |
69 ms |
2156 KB |
Output is correct |
| 24 |
Correct |
63 ms |
2156 KB |
Output is correct |
| 25 |
Correct |
71 ms |
2156 KB |
Output is correct |
| 26 |
Correct |
82 ms |
2284 KB |
Output is correct |
| 27 |
Correct |
64 ms |
2284 KB |
Output is correct |
| 28 |
Correct |
87 ms |
2284 KB |
Output is correct |
| 29 |
Correct |
64 ms |
2284 KB |
Output is correct |
| 30 |
Correct |
44 ms |
2284 KB |
Output is correct |
| 31 |
Correct |
3 ms |
2284 KB |
Output is correct |
| 32 |
Correct |
3 ms |
2284 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
2284 KB |
Output is correct |
| 2 |
Correct |
2 ms |
2284 KB |
Output is correct |
| 3 |
Correct |
3 ms |
2284 KB |
Output is correct |
| 4 |
Correct |
3 ms |
2284 KB |
Output is correct |
| 5 |
Partially correct |
2 ms |
2284 KB |
Partially correct |
| 6 |
Partially correct |
3 ms |
2284 KB |
Partially correct |
| 7 |
Partially correct |
3 ms |
2284 KB |
Partially correct |
| 8 |
Partially correct |
3 ms |
2284 KB |
Partially correct |
| 9 |
Partially correct |
2 ms |
2284 KB |
Partially correct |
| 10 |
Correct |
3 ms |
2284 KB |
Output is correct |
| 11 |
Partially correct |
4 ms |
2284 KB |
Partially correct |
| 12 |
Partially correct |
4 ms |
2284 KB |
Partially correct |
| 13 |
Partially correct |
3 ms |
2284 KB |
Partially correct |
| 14 |
Partially correct |
4 ms |
2284 KB |
Partially correct |
| 15 |
Partially correct |
3 ms |
2284 KB |
Partially correct |
| 16 |
Partially correct |
15 ms |
2284 KB |
Partially correct |
| 17 |
Partially correct |
19 ms |
2284 KB |
Partially correct |
| 18 |
Partially correct |
23 ms |
2284 KB |
Partially correct |
| 19 |
Partially correct |
14 ms |
2284 KB |
Partially correct |
| 20 |
Correct |
6 ms |
2284 KB |
Output is correct |
| 21 |
Partially correct |
61 ms |
2284 KB |
Partially correct |
| 22 |
Partially correct |
78 ms |
2284 KB |
Partially correct |
| 23 |
Partially correct |
58 ms |
2284 KB |
Partially correct |
| 24 |
Partially correct |
57 ms |
2284 KB |
Partially correct |
| 25 |
Partially correct |
117 ms |
4460 KB |
Partially correct |
| 26 |
Partially correct |
71 ms |
4460 KB |
Partially correct |
| 27 |
Partially correct |
70 ms |
4460 KB |
Partially correct |
| 28 |
Partially correct |
65 ms |
4460 KB |
Partially correct |
| 29 |
Partially correct |
53 ms |
4460 KB |
Partially correct |
| 30 |
Correct |
18 ms |
4460 KB |
Output is correct |
| 31 |
Correct |
4 ms |
4460 KB |
Output is correct |
| 32 |
Correct |
3 ms |
4460 KB |
Output is correct |
