int[] array1 = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14 ,12,14,11,2,11,31};
    Array.Reverse(array1);

int[] array1 = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14 ,12,14,11,2,11,31};

       int lastIndexOf14 = Array.FindLastIndex(array1,
   element => element == 14);

            Response.Write("<br/>Last Index of Element 14  is <b>" + lastIndexOf14 + "</b> in array.");

int[] array1 = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14 ,12,14,11,2,11,31};
 
 int indexOf11 = Array.FindIndex(array1,
    element => element == 11);

            Response.Write("<br/>Index of Element 11 is <b>" + indexOf11 + "</b> in array.");

int[] array1 = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14 ,12,14,11,2,11,31};
 
Response.Write("<br/><br/><li>Check whether element 209 Exists in Array.</li>");
            bool isExist = Array.Exists(array1,
element => element == 209);

int[] array1 = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14 ,12,14,11,2,11,31};
     int[] array2 = Array.FindAll(array1,
                element => element == 11);

            Response.Write("<br/>There are <b>" + array2.Length + "</b> element in array which are equal to 11.");

   int[] array1 = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14, 12, 13, 14 ,12,14,11,2,11,31};
     int[] array2 = Array.FindAll(array1,
                element => element <= 11);

            Response.Write("<br/>There are <b>" + array2.Length + "</b> element in array which are less than 11.");

function is_valid_email($email)
{
	if(preg_match("/[a-zA-Z0-9_-.+]+@[a-zA-Z0-9-]+.[a-zA-Z]+/", $email) > 0)
		return true;
	else
		return false;
}

function mdy($mid = "month", $did = "day", $yid = "year", $mval, $dval, $yval)
	{
		if(empty($mval)) $mval = date("m");
		if(empty($dval)) $dval = date("d");
		if(empty($yval)) $yval = date("Y");
		
		$months = array(1 => "January", 2 => "February", 3 => "March", 4 => "April", 5 => "May", 6 => "June", 7 => "July", 8 => "August", 9 => "September", 10 => "October", 11 => "November", 12 => "December");
		$out = "<select name='$mid' id='$mid'>";
		foreach($months as $val => $text)
			if($val == $mval) $out .= "<option value='$val' selected>$text</option>";
			else $out .= "<option value='$val'>$text</option>";
		$out .= "</select> ";

		$out .= "<select name='$did' id='$did'>";
		for($i = 1; $i <= 31; $i++)
			if($i == $dval) $out .= "<option value='$i' selected>$i</option>";
			else $out .= "<option value='$i'>$i</option>";
		$out .= "</select> ";

		$out .= "<select name='$yid' id='$yid'>";
		for($i = date("Y"); $i <= date("Y") + 2; $i++)
			if($i == $yval) $out.= "<option value='$i' selected>$i</option>";
			else $out.= "<option value='$i'>$i</option>";
		$out .= "</select>";
		
		return $out;
	}

var shape;
function initialize() {
  var mapDiv = document.getElementById('map-canvas');
  var map = new google.maps.Map(mapDiv, {
    center: new google.maps.LatLng(24.886436490787712, -70.2685546875),
    zoom: 4,
    mapTypeId: google.maps.MapTypeId.ROADMAP
  });

  shape = new google.maps.Polygon({
    strokeColor: '#ff0000',
    strokeOpacity: 0.8,
    strokeWeight: 2,
    fillColor: '#ff0000',
    fillOpacity: 0.35
  });

  shape.setMap(map);

  google.maps.event.addListener(map, 'click', addPoint);
}

function addPoint(e) {
  var vertices = shape.getPath();

  vertices.push(e.latLng);
}

#include <iostream>
#include <iomanip>
#include <time.h>
#include <math.h>
using namespace std;

//vars
int GroupOfPeople[50];
//bool v = true;

//funcs
void Fill (int M);
bool CheckDuplicates (int M);
double T_Math(int M);
int MaxSamples = 50000;

int main(){
	//srand ( time(NULL) );
	srand(1);//for debug; static seed	
	double ModelSum = 0;
	double Modelavg = 0;
	cout	<< setw(15) <<"Num in group"
	<<setw(17) << "\% Modeled"
	<<setw(15) << "\%Theoretical"
	<<setw(23)<< "Theoretical - Modeled"<<endl;
	for (int M=1; M<50; M++) {//this loop performs checks for groups of size M
		ModelSum=0;
		for (int ii=0; ii<MaxSamples; ii++) {//this loop perfroms checks on multiple samples
			Fill(M);//ensures a new sample each call
			if (CheckDuplicates(M)){	ModelSum++;}//endif
		}//end for
		Modelavg=ModelSum/MaxSamples;
		//printf("The Theoretical probability of duplicate birthdays in a group of %d is %f\n",M,T_Math(M));
		//printf("The Modeled probability of duplicate birthdays in a group of %d is %f\n",M,Modelavg);
		double TP = T_Math(M);
		cout<<fixed<<setprecision(2);
		cout	<< setw(15) <<(M +1)
				<<setw(15) << (Modelavg*100)<<"\%"
				<<setw(15) << (TP*100) << "\%";
		cout<<fixed<<setprecision(5)
				<<setw(15)<< (TP - Modelavg) << endl;
	}//end for
}//end main

void Fill(int M){
	for (int i=1; i<M+1; i++) {//limited iterations by Max preventing wasted resources
		GroupOfPeople[i] = ((rand()%365)+1);
	}//end for
}//end fill

bool CheckDuplicates (int M){
	//nested loop for self comparison, we don't need more memory(M$, take note!)
	for (int i=0; i< M; i++) {
		for (int ii=(i+1); ii<M; ii++) {
			if (GroupOfPeople[i]==GroupOfPeople[ii]) {
				return true;
			}//end if
		}//end for
	}//end for
	return false;
}//end CheckDuplicates

double T_Math(int M){
	double a = ( 364 / (static_cast<double> ( 365 ) ) );
	double e = ( ( M * ( M - 1 ) ) / (static_cast<double> ( 2 ) ) ); 
	return 1 - pow(a, e);
}//end T_Math