Tuesday, March 17, 2020

Reverse an Array in C++

I wrote this program using C++ programming language to ask the user to give how many items to be processed and then the program will ask a series of integer value and then the program will reverse the arrangement of given numbers using one-dimensional array in C++.

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Sample Program Output


Program Listing

reverse.cpp

#include <iostream>

using namespace std;

int main()
{
int Arr[200],n=0,temp=0,i=0,j=0;
    
    cout <<"\n\n";
    cout <<"\tReverse an Array in C++";
    cout <<"\n\n";
cout<<"\tHow many elements? : ";
cin>>n;
    cout <<"\n\n";
for(i=0;i<n;i++)
{
cout<<"\tEnter element "<<i+1<<":";
cin>>Arr[i];
}

for(i=0,j=n-1;i<n/2;i++,j--)
{
temp=Arr[i];
Arr[i]=Arr[j];
Arr[j]=temp;
}
    cout <<"\n\n";
cout<<"\tReverse array results"<<endl;
cout <<"\n\n";
    cout <<"\t";
for(i=0;i<n;i++) {

cout<<" "<< Arr[i]<<" ";
}
cout <<"\n\n";
cout <<"\tEnd of Program";
     cout <<"\n\n";

}



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