int main() {
unsigned int N;
cin >> N;
for (ui i = 0; i < N; i++) {
ui height;
cin >> height;
heights.push_back(height);
}
//sort(ALL(heights), std::greater<int>());
ui max = 0;
for (ui i = 0; i < heights.size(); i++) {
ui path = dfs(i, 0);
if (path > max)
max= path;
}
cout << max << endl;
/*
cout << N << endl;
for (auto x : heights)
cout << x << "-";
cout << endl;
*/
return 0;
}
void PrintHistogramMolecules( std::ostream *out,
vui Histogram,
unsigned int Stop, unsigned int Start,
unsigned int Step, int BarLength,
unsigned int NumBins,
std::string CC )
{
double Scale;
unsigned int Max = 0;
if (Step == 0) // That does not make sense, abort!
{
std::cerr << "Step should be greater than zero (0)!" << "\n";
return;
}
// Find Max of Histogram
if (Histogram.size() > 0 )
{
for (unsigned int i = Start; i <= Stop; i += Step)
if (Histogram[i] > Max) { Max = Histogram[i]; }
}
else
{
Max = 0;
}
// Define 'Scale' so the the maximum of the histogram will have a length
// of 'BarLength'
Scale = double(Max)/double(BarLength);
// Using uniformStop to make it easy to aggregate
// many TraceHBond output files
unsigned int uniformStop;
if ( NumBins > 0 )
uniformStop = Step*NumBins + Start - (unsigned int)1;
else
uniformStop = Stop;
for (unsigned int i = Start; i <= uniformStop; i += Step )
{
*out << CC.c_str() << " ";
*out << std::setw(4) << i << " | ";
if ( i >= Histogram.size() )
{
// If uniformStop brings us past the size of Histogram,
// show zeros.
*out << std::setw(4) << 0 << "|";
}
else
{
*out << std::setw(4) << Histogram[i] << "|";
for (int j = 0; j < Round(Histogram[i]/Scale); j++) *out << "*";
}
*out << "\n";
}
}
void init_page_id_offsets() {
goto_arena();
CompressedFileReader offset_reader("page_id_stats", SMALL_CHUNK);
offset_reader.read_ulong();
for ( ui i = 0 ; i < number_of_files; i++ ) {
page_id_offsets.push_back(offset_reader.read_ulong());
}
}
ui dfs(int curr, ui len) {
//cout << heights[curr] << "-";
//cout << curr << " --- " << len << endl;
ui a = 0;
ui b = 0;
ui c = 0;
ui d = 0;
if (curr - 2 >= 0) {
if (heights[curr] > heights[curr - 2]) {
a = dfs(curr - 2, len + 1);
}
}
if (curr - 1 >= 0) {
if (heights[curr] > heights[curr - 1]) {
b = dfs(curr - 1, len + 1);
}
}
if (curr + 1 < heights.size()) {
if (heights[curr] > heights[curr + 1]) {
c = dfs(curr + 1, len + 1);
}
}
if (curr + 2 < heights.size()) {
if (heights[curr] > heights[curr + 2]) {
d = dfs(curr + 2, len + 1);
}
}
ui currMax = max(max(max(a, b), max(c, d)), len);
//if (currMax == len)
// cout << "X" << endl;
return currMax;
}
