public int GCD(int a, int b) {
if (b==0) return a;
return GCD(b,a%b);
}
Power(Base, N) – 1
Check if number is divisible from 2 till root(N)
public class CountRepeatedWords {
public static void main(String[] args) {
countRepeatedWords("Note that the order of what you get out of keySet is arbitrary. If you need the words to be sorted by when they first appear in your input String, you should use a LinkedHashMap instead.");
}
public static void countRepeatedWords(String wordToFind) {
String[] words = wordToFind.split(" ");
HashMap<String, Integer> wordMap = new LinkedHashMap<String, Integer>();
for (String word : words) {
wordMap.put(word,
(wordMap.get(word) == null ? 1 : (wordMap.get(word) + 1)));
}
System.out.println(wordMap);
}
}
void markMultiples(bool arr[], int a, int n)
{
int i = 2, num;
while ( (num = i*a) <= n )
{
arr[ num-1 ] = 1;
++i;
}
}
void SieveOfEratosthenes(int n)
{
if (n >= 2)
{
// Create an array of size n and initialize all elements as 0
bool arr[n];
memset(arr, 0, sizeof(arr));
/* Following property is maintained in the below for loop
arr[i] == 0 means i + 1 is prime
arr[i] == 1 means i + 1 is not prime */
for (int i=1; i<n; ++i)
{
if ( arr[i] == 0 )
{
//(i+1) is prime, print it and mark its multiples
printf("%d ", i+1);
markMultiples(arr, i+1, n);
}
}
}
}
CODE
void CalculateOddMagicSquare()
{
n=5;
int matrix[5][5];
int nsqr = n * n;
int i=0, j=n/2; // start position
for (int k=1; k<=nsqr; ++k)
{
matrix[i][j] = k;
i--;
j++;
if (k%n == 0)
{
i += 2;
--j;
}
else
{
if (j==n)
j -= n;
else if (i<0)
i += n;
}
}
int f(int n)
{
int count = 0;
int a; // The current digit a_j
int p = 1; // The current value of 9^j
while (n > 0) {
a = n % 10;
if (a == 3) {
count = 0;
}
if (a <= 3) {
count += a * p;
} else {
count += (a-1) * p;
}
n /= 10;
p *= 9;
}
return count;
}
<!DOCTYPE html>
<html>
<head>
<script>
function loadXMLDoc()
{
var xmlhttp;
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("myDiv").innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","ajax_info.txt",true);
xmlhttp.send();
}
</script>
</head>
<body>
<div id="myDiv"><h2>Let AJAX change this text</h2></div>
<button type="button" onclick="loadXMLDoc()">Change Content</button>
</body>
</html>
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