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114 changes: 37 additions & 77 deletions MajorityElement.c
Original file line number Diff line number Diff line change
@@ -1,84 +1,44 @@
#include<stdio.h>

void merge(long int a[],long int l,long int mid,long int r)
void Bubble_Sort(int a[],int n)
{
long int i,j,k,n1=mid-l+1,n2=r-mid;
long int L[n1],R[n2];
for(i=0;i<n1;++i)
L[i]=a[l+i];
for(j=0;j<n2;++j)
R[j]=a[mid+1+j];

i=0,j=0,k=l;
while(i<n1&&j<n2)
{
if(L[i]<=R[j])
a[k++]=L[i++];
else
a[k++]=R[j++];
}

while(i<n1)
a[k++]=L[i++];
while(j<n2)
a[k++]=R[j++];
}
// merge sort function
void mergesort(long int a[],long int l,long int r)
{
long int mid;
if(l<r)
{
mid=l+(r-l)/2;

mergesort(a,l,mid);
mergesort(a,mid+1,r);

merge(a,l,mid,r);
}
=======

void insertionSort(int arr[], int n)
{
int i, key, j;
for (i = 0; i < n; i++) {
key = arr[i];
j = i - 1;

/* Move elements of arr[0..i-1], that are
greater than key, to one position ahead
of their current position */
while (j >= 0 && arr[j] > key) {
arr[j + 1] = arr[j];
j = j - 1;
}
arr[j + 1] = key;
}

int i,round,c;
for(round=0;round<n-1;round++)
{
c=0;
for(i=0;i<n-1-round;i++)
{
if(a[i]>a[i+1])
{
c=1;
a[i]=a[i]+a[i+1];
a[i+1]=a[i]-a[i+1];
a[i]=a[i]-a[i+1];
}
}
if(c==0)
{
printf("round=%d\n",round);
break;
}
}
}
int main()
{
long int n;
scanf("%ld",&n);
long int a[n];
for(long int i=0;i<n;++i)
scanf("%ld",&a[i]);
mergesort(a,0,n-1);






int n,i;
printf("enter the no. elements in array\n");
scanf("%d",&n);
int array[n];
printf("enter the elements in array\n");
for(i=0;i<n;i++)
{
scanf("%d",&array[i]);
}
Bubble_Sort(array,n);
printf("elements after sorting are:\n");
for(i=0;i<n;i++)
{
printf("%d ",array[i]);
}
}



=======
mergesort(a, n-1);
long int mid=n/2;
if(a[mid]==a[mid+1]||a[mid]==a[mid-1])
printf("1");
else
printf("0");
return 0;
}