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Added COVIDLQ.java #78

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42 changes: 42 additions & 0 deletions Codechef/COVIDLQ.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,42 @@
/* Problem URL // https://www.codechef.com/APRIL20B/problems/COVIDLQ */

import java.util.*;
import java.lang.*;
import java.io.*;
class COVIDLQ
{
public static void main (String[] args) throws java.lang.Exception
{
Scanner sc=new Scanner(System.in);
int T=sc.nextInt();
while(T-->0)
{
int n=sc.nextInt();
int a[]=new int[n];
int f=-1;
for(int i=0;i<n;i++)
{
a[i]=sc.nextInt();
if(a[i]==1 &&f==-1)
f=i;
}
int start=f;
for(int i=f+1;i<n;i++)
{
if(a[i]==1)
{
if(start+6<=i)
start=i;
else
{start=-1;
break;}
}
}
if(start!=-1)
System.out.println("YES");
else
System.out.println("NO");
}

}
}