Introduction
I have used CodeBlocks compiler for debugging purpose. But you can use any C++ programming language compiler as per your availability.
#include <iostream> using namespace std; int main() { int arr[100]; int i, j, n, count = 0; // Readinng size of the array cout<<"Enter size of the array : "; cin>>n; //Reading elements of array cout<<"Enter elements in array : "; for(i=0; i<n; i++) { cin>>arr[i]; } //Find all duplicate elements in array for(i=0; i<n; i++) { for(j=i+1; j<n; j++) { // If duplicate element found then increment count by 1 if(arr[i] == arr[j]) { count++; break; } } } cout<<"\nTotal number of duplicate elements found in array: "<<count; return 0; }
Result
