/* Write C++ programs for sorting a given list of elements in ascending order using Quick sort sorting methods */
#include<iostream.h> #include<conio.h> int a[10],l,u,i,j; void quick(int *,int,int); void main() { clrscr(); cout <<"enter 10 elements"; for(i=0;i<10;i++) cin >> a[i]; l=0; u=9; quick(a,l,u); cout <<"sorted elements"; for(i=0;i<10;i++) cout << a[i] << " "; getch(); } void quick(int a[],int l,int u) { int p,temp; if(l<u) { p=a[l]; i=l; j=u; while(i<j) { while(a[i] <= p && i<j ) i++; while(a[j]>p && i<=j ) j--; if(i<=j) { temp=a[i]; a[i]=a[j]; a[j]=temp;} } temp=a[j]; a[j]=a[l]; a[l]=temp; cout <<"\n"; for(i=0;i<10;i++) cout <<a[i]<<" "; quick(a,l,j-1); quick(a,j+1,u); } }
OUTPUT
enter 10 elements5 2 3 16 25 1 20 7 8 61 14
1 2 3 5 25 16 20 7 8 61
1 2 3 5 25 16 20 7 8 61
1 2 3 5 25 16 20 7 8 61
1 2 3 5 25 16 20 7 8 61
1 2 3 5 25 16 20 7 8 61
1 2 3 5 8 16 20 7 25 61
1 2 3 5 7 8 20 16 25 61
1 2 3 5 7 8 16 20 25 61
1 2 3 5 7 8 16 20 25 61
sorted elements1 2 3 5 7 8 16 20 25 61
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April 27th, 2010 at 12:40 pm
what is logic of quick sort
July 14th, 2011 at 7:17 pm
all numbers are same datatype. or integer,fraction are change in ascending order c++ program
August 6th, 2011 at 11:32 pm
can’t u write a c++ program for bubble sort using class in for loop