quick sort

DAA_QUICK_SORT/DAA_QUICK_SORT.cbp

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+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="DAA_QUICK_SORT" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/DAA_QUICK_SORT" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Debug/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-g" />
+				</Compiler>
+			</Target>
+			<Target title="Release">
+				<Option output="bin/Release/DAA_QUICK_SORT" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Release/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-O2" />
+				</Compiler>
+				<Linker>
+					<Add option="-s" />
+				</Linker>
+			</Target>
+		</Build>
+		<Compiler>
+			<Add option="-Wall" />
+			<Add option="-fexceptions" />
+		</Compiler>
+		<Unit filename="main.cpp" />
+		<Extensions>
+			<lib_finder disable_auto="1" />
+		</Extensions>
+	</Project>
+</CodeBlocks_project_file>

DAA_QUICK_SORT/DAA_QUICK_SORT.depend

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+# depslib dependency file v1.0
+1643806793 source:c:\users\nasreen parween\desktop\new folder\daa_quick_sort\main.cpp
+	<iostream>
+	<limits.h>
+	<stdlib.h>
+	<fstream>
+

DAA_QUICK_SORT/DAA_QUICK_SORT.layout

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+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_layout_file>
+	<FileVersion major="1" minor="0" />
+	<ActiveTarget name="Debug" />
+	<File name="main.cpp" open="1" top="1" tabpos="1" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+		<Cursor>
+			<Cursor1 position="2292" topLine="80" />
+		</Cursor>
+	</File>
+</CodeBlocks_layout_file>

DAA_QUICK_SORT/QuickSort.csv

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+No. of Elements (n),No. of Comparisions(count),n*n,n*log(n)
+50,243,2500,282.1928095
+100,628,10000,664.385619
+150,1187,22500,1084.322804
+200,1506,40000,1528.771238
+250,2011,62500,1991.446071
+300,2598,90000,2468.645607
+350,3149,122500,2957.923889
+400,3908,160000,3457.542476
+450,4203,202500,3966.201536
+500,4947,250000,4482.892142
+550,5294,302500,5006.808295
+600,5581,360000,5537.291214
+650,6695,422500,6073.79234
+700,7174,490000,6615.847778
+750,7307,562500,7163.060089
+800,8371,640000,7715.084952
+850,8529,722500,8271.621176
+900,8941,810000,8832.403072
+950,9686,902500,9397.194518

DAA_QUICK_SORT/main.cpp

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+#include <iostream>
+#include<limits.h>
+#include<stdlib.h>
+#include<fstream>
+using namespace std;
+template <class t>
+class QuickSort
+{
+    t A[1000];
+public:
+    t count ,n;
+    int input();
+    void Randomized_quick(t A[],int p, int r);
+    int Randomized_partition(t A[], int p,int r, int n);
+    int partition(t A[], int p, int r);
+    void display();
+};
+template <class t>
+int QuickSort<t>::input()
+{
+    count=0;
+    cout<<"ENTER THE NUMBER OF ELEMENTS IN AN ARRAY:"<<endl;
+    cin>>n;
+    for(int i=1; i<=n;i++)
+    {
+        A[i]=(rand()%1000)+1;
+    }
+    Randomized_quick(A,1,n);
+}
+template <class t>
+int QuickSort<t>::partition(t A[],int p,int r)
+{
+    int x,i,j,temp,temp2;
+    x=A[r];
+    i=p-1;
+    for(j=p; j<r; j++)
+    {
+        if(A[j]<=x)
+        {
+         i++;
+         temp=A[i];
+         A[i]=A[j];
+         A[j]=temp;
+         count++;
+        }
+        else{
+            count++;
+        }
+    }
+    temp2=A[i+1];
+    A[i+1]=A[r];
+    A[r]=temp2;
+    return (i+1);
+}
+template <class t>
+void QuickSort<t> :: Randomized_quick(t A[], int p,int r)
+{
+    int q;
+    if(p<r)
+    {
+       q=Randomized_partition(A,p,r,n);
+       Randomized_quick(A,p,q-1);
+       Randomized_quick(A,q+1,r);
+    }
+}
+template <class t>
+int QuickSort<t> :: Randomized_partition(t A[], int p,int r, int n)
+{
+    int i, temp;
+    i=p+rand()%(r-p+1);
+    temp=A[r];
+    A[r]=A[i];
+    A[i]=temp;
+    return partition(A,p,r);
+}
+template <class t>
+void QuickSort<t>::display()
+{
+   for(int i=1; i<=n; i++){
+    cout<<A[i]<<" ";
+    }
+    cout<<endl;
+}
+int main()
+{
+    cout<<"....Quick SORT...."<<endl;
+    ofstream f("QuickSort.csv");
+    int c;
+    char ch='y';
+    while(ch=='y'||ch=='y')
+    {
+        QuickSort<int> q;
+        q.input();
+        cout<<"THE ELEMENT OF AN ARRAY BEFORE SORTING : "<<endl;
+        q.display();
+        cout<<"THE ELEMENT OF AN ARRAY AFTER SORTING :"<<endl;
+        q.display();
+        if(f)
+        {
+            f<<q.n<<","<<q.count;
+            f<<endl;
+        }
+        cout<<"THE NUMBER OF COMPARISIONS ARE:"<<q.count<<endl;
+        cout<<"\nDO YOU WANT TO CONTINUE?(y/n) :";
+        cin>>ch;
+        cout<<endl;
+    }
+    f.close();
+    return 0;
+}