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import java.util.*;
public class Main
{
	public static void main(String[] args) {
	int []	arr={1,2,3,4,5};
	int k=5;
	HashMap<Integer,Integer>map=new HashMap<>();
	map.put(0,-1);
	int sum=0;
	int maxlen=0;
	for(int i=0;i<arr.length;i++){
	    sum+=arr[i];
	    if(map.containsKey(sum-k)){
	        
	       
	        maxlen=Math.max(maxlen,i-map.get(sum-k));
	    }
	    map.putIfAbsent(sum,i);
	}

	int prefix[]=new int[arr.length+1];
	int count1=0;
	for(int i=1;i<=arr.length;i++){
	    prefix[i]=prefix[i-1]+arr[i-1];
	    
	}
	for(int i=0;i+maxlen<=arr.length;i++){
	    int currentsum=prefix[i+maxlen]-prefix[i];
	    if(currentsum==k){
	        count1++;
	    }
	}
	System.out.println(count1);
	
	}
}