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FindSpanUsingStack
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45 lines (38 loc) · 1.12 KB
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using System;
using System.Collections.Generic;
namespace ConsoleApplication32
{
internal static class Program
{
public static void Main(string[] args)
{
var array = new int[] {100,60,70,65,80,85};
var length = array.Length;
var t= GetMaximumArea(array, length);
foreach (var variable in t)
{
Console.WriteLine(variable);
}
}
private static IEnumerable<int> GetMaximumArea(IReadOnlyList<int> array, int length)
{
var stack = new Stack<int>();
var span = new int[length];
span[0] = 1;
stack.Push(0);
for (var i = 1; i <length; i++)
{
while (stack.Count != 0 && array[i] > array[stack.Peek()])
stack.Pop();
if (stack.Count == 0)
span[i] = i + 1;
else
{
span[i] = i - stack.Peek();
}
stack.Push(i);
}
return span;
}
}
}