problem 4(duplicate finding)

 

problem 4(duplicate finding)

//problem 4(duplicate finding)

#include<stdio.h>

int duplicate[100000];

int main()

{

    int arr[10]={1,2,3,4,1,5,3,5,9,10};

    for(int i=0;i<10;i++)

    {

        if(duplicate[arr[i]]==1)

        {

            printf("%d is duplicate\n",arr[i]);

        }

        duplicate[arr[i]]=1;

    }

    return 0;

}