{"id":1852,"date":"2020-07-01T09:45:45","date_gmt":"2020-07-01T09:45:45","guid":{"rendered":"https:\/\/blog.prepbytes.com\/?p=1852"},"modified":"2022-03-23T11:54:16","modified_gmt":"2022-03-23T11:54:16","slug":"beach-house","status":"publish","type":"post","link":"https:\/\/prepbytes.com\/blog\/beach-house\/","title":{"rendered":"Beach House"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/prepbytes-misc-images.s3.ap-south-1.amazonaws.com\/assets\/1645096132792-Article_265.png\" alt=\"\" \/><\/p>\n<h3>Concepts Used:<\/h3>\n<blockquote>\n<p>Stack.<\/p>\n<\/blockquote>\n<h3>Difficulty Level:<\/h3>\n<blockquote>\n<p>Hard.<\/p>\n<\/blockquote>\n<h3>Problem Statement :<\/h3>\n<blockquote>\n<p>Nishant wants to buy a plot of land, which faces the beach. He will buy only a rectangular plot. So he contacted every owner of the land who has a house facing the beach.<br \/>\nThe beach is N units long and each owner has 1 unit (width) of the house facing the beach, and the length of the plot is [i] units (you are given an array).Nishant wants to buy the largest rectangular plot which always has a beach facing side, he can combine two plots and also buy any fractional part of the plot of any owner i.e, if an owner has a[i] units of length, Nishant can buy any length from 1 to a[i] from that owner.Help Nishant find the maximum possible area.<\/p>\n<\/blockquote>\n<p><a href=\"https:\/\/mycode.prepbytes.com\/problems\/stacks\/BEACHH\" title=\"Go to mycode.prepbytes.com\" target=\"_blank\" rel=\"noopener noreferrer\"><u><strong><\/strong><\/u><\/a><\/p>\n<h4>Test Case:<\/h4>\n<pre><code>Input:\n2\n5 \n3 2 1 4 5\n5\n4 2 1 3 5\n\nOutput:\n8\n6\n\nExplanation:\nNishant will buy 4 units each from 4th and 5th owner.\nNishant will buy a total of 6 units, from 4th and 5th owner.<\/code><\/pre>\n<h3>Solving Approach:<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/prepbytes.com\/blog\/wp-content\/uploads\/2020\/06\/beachh.png\" alt=\"\" \/><\/p>\n<ol>\n<li>\n<p>Create an empty stack.<\/p>\n<\/li>\n<li>\n<p>Start from first house, and do following for every house  \u2018house[i]\u2019 where \u2018i\u2019 varies from 0 to n-1.<\/p>\n<ol>\n<li>\n<p>If stack is empty or house[i] is higher than the house at top of stack, then push \u2018i\u2019 to stack.<\/p>\n<\/li>\n<li>\n<p>If this house is smaller than the top of stack, then keep removing the top of stack while top of the stack is greater. Let the removed bar be house[tp]. Calculate area of rectangle with house[tp] as smallest house. For house[tp], the \u2018left index\u2019 is previous (previous to tp) item in stack and \u2018right index\u2019 is \u2018i\u2019 (current index).<br \/>\n3.If the stack is not empty, then one by one remove all houses from stack and do step 2.2 for every removed house.<\/p>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<h3>Solutions:<\/h3>\n\t\t\t\t\t\t<style>\r\n\t\t\t\t\r\n\t\t\t\t\t#tab_container_1853 {\r\n\toverflow:hidden;\r\n\tdisplay:block;\r\n\twidth:100%;\r\n\tborder:0px solid #ddd;\r\n\tmargin-bottom:30px;\r\n\t}\r\n\r\n#tab_container_1853 .tab-content{\r\n\tpadding:20px;\r\n\tborder: 1px solid #e6e6e6 !important;\r\n\tmargin-top: 0px;\r\n\tbackground-color:#ffffff !important;\r\n\tcolor: #000000 !important;\r\n\tfont-size:16px !important;\r\n\tfont-family: Open Sans !important;\r\n\t\r\n\t\tborder: 1px solid #e6e6e6 !important;\r\n\t}\r\n#tab_container_1853 .wpsm_nav-tabs {\r\n    border-bottom: 0px solid #ddd;\r\n}\r\n#tab_container_1853 .wpsm_nav-tabs > li.active > a, #tab_container_1853 .wpsm_nav-tabs > li.active > a:hover, #tab_container_1853 .wpsm_nav-tabs > li.active > a:focus {\r\n\tcolor: #000000 !important;\r\n\tcursor: default;\r\n\tbackground-color: #ffffff !important;\r\n\tborder: 1px solid #e6e6e6 !important;\r\n}\r\n\r\n#tab_container_1853 .wpsm_nav-tabs > li > a {\r\n    margin-right: 0px !important; \r\n    line-height: 1.42857143 !important;\r\n    border: 1px solid #d5d5d5 !important;\r\n    border-radius: 0px 0px 0 0 !important; \r\n\tbackground-color: #e8e8e8 !important;\r\n\tcolor: #000000 !important;\r\n\tpadding: 15px 18px 15px 18px !important;\r\n\ttext-decoration: none !important;\r\n\tfont-size: 14px !important;\r\n\ttext-align:center !important;\r\n\tfont-family: Open Sans !important;\r\n}\r\n#tab_container_1853 .wpsm_nav-tabs > li > a:focus {\r\noutline: 0px !important;\r\n}\r\n\r\n#tab_container_1853 .wpsm_nav-tabs > li > a:before {\r\n\tdisplay:none !important;\r\n}\r\n#tab_container_1853 .wpsm_nav-tabs > li > a:after {\r\n\tdisplay:none !important ;\r\n}\r\n#tab_container_1853 .wpsm_nav-tabs > li{\r\npadding:0px !important ;\r\nmargin:0px;\r\n}\r\n\r\n#tab_container_1853 .wpsm_nav-tabs > li > a:hover , #tab_container_1853 .wpsm_nav-tabs > li > a:focus {\r\n    color: #000000 !important;\r\n    background-color: #e8e8e8 !important;\r\n\tborder: 1px solid #d5d5d5 !important;\r\n\t\r\n}\r\n#tab_container_1853 .wpsm_nav-tabs > li > a .fa{\r\n\r\nmargin-right:5px !important;\r\n\r\nmargin-left:5px !important;\r\n\r\n\r\n}\r\n\r\n\t\t#tab_container_1853 .wpsm_nav-tabs a{\r\n\t\t\tbackground-image: none;\r\n\t\t\tbackground-position: 0 0;\r\n\t\t\tbackground-repeat: repeat-x;\r\n\t\t}\r\n\t\t\t\r\n\r\n\r\n#tab_container_1853 .wpsm_nav-tabs > li {\r\n    float: left;\r\n    margin-bottom: -1px !important;\r\n\tmargin-right:0px !important; \r\n}\r\n\r\n\r\n#tab_container_1853 .tab-content{\r\noverflow:hidden !important;\r\n}\r\n\r\n\r\n@media (min-width: 769px) {\r\n\r\n\t#tab_container_1853 .wpsm_nav-tabs > li{\r\n\t\tfloat:left !important ;\r\n\t\t\t\tmargin-right:-1px !important;\r\n\t\t\t\t\t}\r\n\t#tab_container_1853 .wpsm_nav-tabs{\r\n\t\tfloat:none !important;\r\n\t\tmargin:0px !important;\r\n\t}\r\n\r\n\t#tab_container_1853 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_1853 .wpsm_nav{\r\n\t\t\t}\r\n\r\n}\r\n\r\n\r\n\r\n@media (max-width: 768px) {\r\n\t#tab_container_1853 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_1853 .wpsm_nav{\r\n\t\t\t}\r\n}\r\n\r\n\r\n\t.wpsm_nav-tabs li:before{\r\n\t\tdisplay:none !important;\r\n\t}\r\n\r\n\t@media (max-width: 768px) {\r\n\t\t\t\t\r\n\t\t\t\t.wpsm_nav-tabs{\r\n\t\t\tmargin-left:0px !important;\r\n\t\t\tmargin-right:0px !important; \r\n\t\t\t\r\n\t\t}\r\n\t\t\t\t#tab_container_1853 .wpsm_nav-tabs > li{\r\n\t\t\tfloat:none !important;\r\n\t\t}\r\n\t\t\t\r\n\t}\t\t\t\t<\/style>\r\n\t\t\t\t<div id=\"tab_container_1853\" >\r\n\t \r\n\t\t\t\t\t<ul class=\"wpsm_nav wpsm_nav-tabs\" role=\"tablist\" id=\"myTab_1853\">\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t<li role=\"presentation\"  class=\"active\"  onclick=\"do_resize()\">\r\n\t\t\t\t\t\t\t\t<a href=\"#tabs_desc_1853_1\" aria-controls=\"tabs_desc_1853_1\" role=\"tab\" data-toggle=\"tab\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<i class=\"fa fa-code\"><\/i> \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t<span>C<\/span>\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t<\/a>\r\n\t\t\t\t\t\t\t<\/li>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t<li role=\"presentation\"  onclick=\"do_resize()\">\r\n\t\t\t\t\t\t\t\t<a href=\"#tabs_desc_1853_2\" aria-controls=\"tabs_desc_1853_2\" role=\"tab\" data-toggle=\"tab\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<i class=\"fa fa-code\"><\/i> \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t<span>C++<\/span>\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t<\/a>\r\n\t\t\t\t\t\t\t<\/li>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t<li role=\"presentation\"  onclick=\"do_resize()\">\r\n\t\t\t\t\t\t\t\t<a href=\"#tabs_desc_1853_3\" aria-controls=\"tabs_desc_1853_3\" role=\"tab\" data-toggle=\"tab\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<i class=\"fa fa-code\"><\/i> \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t<span>Java<\/span>\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t<\/a>\r\n\t\t\t\t\t\t\t<\/li>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t<li role=\"presentation\"  onclick=\"do_resize()\">\r\n\t\t\t\t\t\t\t\t<a href=\"#tabs_desc_1853_4\" aria-controls=\"tabs_desc_1853_4\" role=\"tab\" data-toggle=\"tab\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<i class=\"fa fa-code\"><\/i> \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t<span>Python<\/span>\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t<\/a>\r\n\t\t\t\t\t\t\t<\/li>\r\n\t\t\t\t\t\t\t\t\t\t\t <\/ul>\r\n\r\n\t\t\t\t\t  <!-- Tab panes -->\r\n\t\t\t\t\t  <div class=\"tab-content\" id=\"tab-content_1853\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t <div role=\"tabpanel\" class=\"tab-pane  in active \" id=\"tabs_desc_1853_1\">\r\n\t\t\t\t\t\t\t\t<!-- wp:enlighter\/codeblock {\"language\":\"c\"} -->\r\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\r\n#include &lt;stdio.h&gt; \r\n#include &lt;stdlib.h&gt; \r\nint max(int x,int y)\r\n{\r\n   if(x&gt;y)return x;\r\n   return y;\r\n}\r\nint main()\r\n{\r\n  int t;\r\n  scanf(&quot;%d&quot;,&amp;t);\r\n  while(t--)\r\n  {\r\n    int n;scanf(&quot;%d&quot;,&amp;n);\r\n    int a[n];\r\n    for(int i=0;i&lt;n;i++)scanf(&quot;%d&quot;,&amp;a[i]);\r\n    \/\/for(int i=0;i&lt;n;i++)printf(&quot;%d &quot;,a[i]);\r\n    int stack[n];\r\n    int i=-1,j=0,mx=0;\r\n    if(n==1)\r\n    printf(&quot;%d&#92;n&quot;,a[0]);\r\n    else\r\n    {while(j&lt;n)\r\n    {\r\n      if((i==-1))\r\n      stack[++i]=j++;\r\n\r\n      else if(a[stack[i]]&lt;=a[j])\r\n      stack[++i]=j++;\r\n      else\r\n      {\r\n        int x=stack[i];\r\n        \/\/printf(&quot;%d &quot;,a[x]);\r\n        i--;\r\n        int area= a[x]*((i==-1)?j:(j-stack[i]-1));\r\n        mx=max(mx,area);\r\n      }\r\n    }\r\n    while(i&gt;=0)\r\n    {\r\n      int x=stack[i];\r\n        i--;\r\n        int area= a[x]*((i==-1)?j:(j-stack[i]-1));\r\n        mx=max(mx,area);\r\n    }\r\n    printf(&quot;%d&#92;n&quot;,mx);}\r\n  }\r\n  return 0;\r\n}\r\n<\/pre>\r\n<!-- \/wp:enlighter\/codeblock -->\r\n\r\n\t\t\t\t\t\t <\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t <div role=\"tabpanel\" class=\"tab-pane \" id=\"tabs_desc_1853_2\">\r\n\t\t\t\t\t\t\t\t<!-- wp:enlighter\/codeblock {\"language\":\"cpp\"} -->\r\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\r\n#include &lt;bits\/stdc++.h&gt;\r\nusing namespace std;\r\nint solve(vector&lt;int&gt; &amp;A) {\r\nint mx=0,mxtop,i=0,tp;\r\nif(A.size()==1) \r\nreturn A[0];\r\nstack&lt;int&gt;s; \r\nwhile(i&lt;A.size()){\r\n    if(s.empty() or A[s.top()]&lt;=A[i])\r\n    s.push(i++);\r\n    else{ tp=s.top();s.pop();\r\n        mxtop=A[tp]*(s.empty()?i:i-s.top()-1);\r\n        if(mx&lt;mxtop)\r\n        mx=mxtop;\r\n    }\r\n}\r\nwhile(!s.empty()) \r\n{\r\n     tp=s.top();s.pop();\r\n        mxtop=A[tp]*(s.empty()?i:i-s.top()-1);\r\n        if(mx&lt;mxtop)\r\n        mx=mxtop;\r\n}\r\nreturn mx;\r\n}\r\nint main()\r\n{  \r\nint t;\r\ncin&gt;&gt;t;\r\nwhile(t--)\r\n{\r\n n;\r\ncin&gt;&gt;n;\r\nvector&lt;int&gt; v;\r\nint x;\r\nfor(int i=0;i&lt;n;i++)\r\n{\r\ncin&gt;&gt;x;\r\nv.push_back(x);\r\n}\r\ncout&lt;&lt;solve(v)&lt;&lt;endl;\r\n}\r\nreturn 0;\r\n}\r\n<\/pre>\r\n<!-- \/wp:enlighter\/codeblock -->\r\n\t\t\t\t\t\t <\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t <div role=\"tabpanel\" class=\"tab-pane \" id=\"tabs_desc_1853_3\">\r\n\t\t\t\t\t\t\t\t<!-- wp:enlighter\/codeblock {\"language\":\"java\"} -->\r\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"java\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\r\n  import java.util.Scanner;\r\n  import java.util.Stack;\r\n\r\n  public class maxHistogramArea {\r\n\r\n    public static void main(String[] args) {\r\n\r\n        Scanner scn = new Scanner(System.in);\r\n        int n = scn.nextInt();\r\n        int[] a = new int[n];\r\n        for (int i = 0; i &lt; a.length; i++) {\r\n            a[i] = scn.nextInt();\r\n        }\r\n        System.out.println(solve(a));\r\n    }\r\n\r\n    public static int solve(int[] a) {\r\n        Stack&lt;integer&gt; stack = new Stack&lt;&gt;();\r\n        int maxArea = Integer.MIN_VALUE;\r\n        for (int i = 0; i &lt; a.length;) {\r\n            if (stack.isEmpty() || a[stack.peek()] &lt;= a[i]) {\r\n                stack.push(i);\r\n                i++;\r\n            } else {\r\n                int top = stack.pop();\r\n                if (stack.isEmpty()) {\r\n                    maxArea = Math.max(maxArea, a[top] * i);\r\n                } else {\r\n                    maxArea = Math.max(maxArea, a[top] * (i - stack.peek()-1));\r\n                }\r\n            }\r\n        }\r\n        while (!stack.isEmpty()) {\r\n            int top = stack.pop();\r\n            if (stack.isEmpty()) {\r\n                maxArea = Math.max(maxArea, a[top] * a.length);\r\n            } else {\r\n                maxArea = Math.max(maxArea, a[top] * (a.length - stack.peek()-1));\r\n            }\r\n        }\r\n        return maxArea;\r\n    }\r\n\r\n}\r\n\r\n<\/pre>\r\n<!-- \/wp:enlighter\/codeblock -->\r\n\r\n\t\t\t\t\t\t <\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t <div role=\"tabpanel\" class=\"tab-pane \" id=\"tabs_desc_1853_4\">\r\n\t\t\t\t\t\t\t\t<!-- wp:enlighter\/codeblock {\"language\":\"Python\"} -->\r\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"Python\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\r\n# your code goes here\r\ndef solve(A):\r\n\r\n\tmx=0\r\n\ti=0\r\n\t\r\n\tif(len(A)==1):\r\n\t\treturn A[0]\r\n\t\r\n\ts = []\r\n\r\n\twhile(i &lt; len(A)):\r\n\t\r\n\t\tif(len(s) == 0 or A[s[-1]] &lt;= A[i]):\r\n\t\r\n\t\t\ts.append(i)\r\n\t\t\ti += 1\r\n\t\r\n\t\telse:\r\n\t\r\n\t\t\ttp=s[-1]\r\n\t\t\ts.pop()\r\n\t\r\n\t\t\tif not s:\r\n\t\t\t\tres = i\r\n\t\r\n\t\t\telse:\r\n\t\t\t\tres = i - s[-1] - 1\r\n\t\r\n\t\t\tmxtop=A[tp]*(res)\r\n\t\r\n\t\t\tif(mx&lt;mxtop):\r\n\t\t\t\tmx=mxtop\r\n\r\n\twhile s: \r\n\t\r\n\t\ttp=s[-1]\r\n\t\ts.pop()\r\n\t\r\n\t\tif not s:\r\n\t\t\t\tres = i\r\n\t\r\n\t\telse:\r\n\t\t\tres = i - s[-1] - 1\r\n\t\r\n\t\tmxtop=A[tp]*(res)\r\n\t\r\n\t\tif(mx&lt;mxtop):\r\n\t\t\tmx=mxtop\r\n\r\n\treturn mx\r\n\r\nfor _ in range(int(input())):\r\n\tn = int(input())\r\n\tv = list(map(int,input().split()))\r\n\tprint(solve(v))\r\n\r\n<\/pre>\r\n<!-- \/wp:enlighter\/codeblock -->\t\t\t\t\t\t <\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t <\/div>\r\n\t\t\t\t\t \r\n\t\t\t\t <\/div>\r\n <script>\r\n\t\tjQuery(function () {\r\n\t\t\tjQuery('#myTab_1853 a:first').tab('show')\r\n\t\t});\r\n\t\t\r\n\t\t\t\tjQuery(function(){\r\n\t\t\tvar b=\"fadeIn\";\r\n\t\t\tvar c;\r\n\t\t\tvar a;\r\n\t\t\td(jQuery(\"#myTab_1853 a\"),jQuery(\"#tab-content_1853\"));function d(e,f,g){\r\n\t\t\t\te.click(function(i){\r\n\t\t\t\t\ti.preventDefault();\r\n\t\t\t\t\tjQuery(this).tab(\"show\");\r\n\t\t\t\t\tvar h=jQuery(this).data(\"easein\");\r\n\t\t\t\t\tif(c){c.removeClass(a);}\r\n\t\t\t\t\tif(h){f.find(\"div.active\").addClass(\"animated \"+h);a=h;}\r\n\t\t\t\t\telse{if(g){f.find(\"div.active\").addClass(\"animated \"+g);a=g;}else{f.find(\"div.active\").addClass(\"animated \"+b);a=b;}}c=f.find(\"div.active\");\r\n\t\t\t\t});\r\n\t\t\t}\r\n\t\t});\r\n\t\t\r\n\r\n\t\tfunction do_resize(){\r\n\r\n\t\t\tvar width=jQuery( '.tab-content .tab-pane iframe' ).width();\r\n\t\t\tvar height=jQuery( '.tab-content .tab-pane iframe' ).height();\r\n\r\n\t\t\tvar toggleSize = true;\r\n\t\t\tjQuery('iframe').animate({\r\n\t\t\t    width: toggleSize ? width : 640,\r\n\t\t\t    height: toggleSize ? height : 360\r\n\t\t\t  }, 250);\r\n\r\n\t\t\t  toggleSize = !toggleSize;\r\n\t\t}\r\n\r\n\r\n\t<\/script>\r\n\t\t\t\t\r\n\t\t\t\n<p>[forminator_quiz id=&quot;1854&quot;]<br \/>\nThis article tried to discuss Stack. Hope this blog helps you understand and solve the problem. To practice more problems on Stack you can check out <a href=\"#\"><\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Concepts Used: Stack. Difficulty Level: Hard. Problem Statement : Nishant wants to buy a plot of land, which faces the beach. He will buy only a rectangular plot. So he contacted every owner of the land who has a house facing the beach. The beach is N units long and each owner has 1 unit [&hellip;]<\/p>\n","protected":false},"author":52,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[127],"tags":[],"class_list":["post-1852","post","type-post","status-publish","format-standard","hentry","category-stacks"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Stacks | Beach House | Prepbytes<\/title>\n<meta name=\"description\" content=\"Create an Empty Stack. Start from First House, and Do Following for Every House \u2018house[i]\u2019 Where \u2018i\u2019 Varies from 0 to N-1.if Stack Is Empty or House[i]\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/prepbytes.com\/blog\/beach-house\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stacks | Beach House | Prepbytes\" \/>\n<meta property=\"og:description\" content=\"Create an Empty Stack. 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