left rotate

 // Online C++ compiler to run C++ program online

#include <iostream>

#include <climits>

using namespace std;


int remove_duplicate(int* arr, int n){

    int res=0;

    int i=0;

    

    while(i<=n){

        

        if(arr[i]!=0){

            

            arr[res]=arr[i];

            res++;

        }

        i++;

    }

    for(int i=res;i<n;i++){

        arr[i]=0;

    }

    for(int i=0;i<n;i++){

        cout<<arr[i]<<" ";

    }

    cout<<endl;

    return n;

    

    

}


void left(int*arr,int n){

    int temp=arr[0];

    for (int i=0;i<n-1;i++){

        arr[i]=arr[i+1];

    }

    arr[n-1]=temp;

    for(int i=0;i<n;i++){

        cout<<arr[i]<<" ";

    }

    cout<<endl;

    

}


int main() {

    int arr[50]={10,0,20,0,30,0,50};

    int n=7;

    left(arr,n);


    return 0;

}

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