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Code:


#include<iostream.h>
#include<iomanip.h>
#include<conio.h>
float a[100];
int n;
void InsertionSort(float a[],int n)
{
float temp;
for(int i=2;i<=n;i++)
  {
temp=a[i];
int vt=i;
while ((a[vt-1]>temp)&&(vt>1))
{
  a[vt]=a[vt-1];
  vt=vt-1;
}
a[vt]=temp;
  }
}
void input(float a[],int n)
{
int i;
for (i = 1; i <= n; i++)
  {
cout<<"a["<<i<<"]= ";
cin>>a[i];
  }
}
void output(float a[],int n)
{
  int i;
  for (i = 1; i <= n; i++)
cout<<a[i]<<"  ";
}
void main()
{
cout<<"Nhap n : ";cin>>n;
if(n>0)
{
cout<<"Day ban dau: ";
input(a,n);
cout<<endl;
cout<<"\nSap xep theo PP insertion sort:"<<endl;
cout<<endl;
InsertionSort(a,n);
output(a,n);
}
getch();
}

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