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Copy pathMergeSort
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MergeSort
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public class Main {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
int[] arr=new int[5];
for(int i=0;i<arr.length;i++){
arr[i]=sc.nextInt();
}
sc.close();
MergeSort(arr,0,arr.length-1);
for(int ele: arr){
System.out.println(ele);
}
}
static void MergeSort(int[] arr, int l, int h){
if(l<h){
int mid=(l+h)/2;
MergeSort(arr,l,mid);
MergeSort(arr,mid+1,h);
Merge(arr,l,mid,h);
}
}
static void Merge(int[] arr, int l, int mid, int h){
int[] a=new int[mid-l+1];
int[] b=new int[h-mid];
int k=l;
for(int i=0;i<a.length;i++){
a[i] =arr[l+i];
}
for(int i=0;i<b.length;i++){
b[i] =arr[mid+1+i];
}
int i=0;
int j=0;
while(i< a.length && j< b.length){
if(a[i]<b[j]){
arr[k]=a[i];
i++;
}
else {
arr[k]=a[j];
j++;
}
k++;
}
while(i<a.length){
arr[k]=a[i];
i++;
k++;
}
while(j<b.length){
arr[k]=b[j];
j++;
k++;
}
}
}