My issue
My code
/* package codechef; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Codechef
{
public static void main (String[] args) throws java.lang.Exception
{
Scanner re=new Scanner(System.in);
int t=re.nextInt();
for(int i=0;i<t;i++)
{
int u =re.nextInt();
int sum=(u*(u+1))/2;
if(sum%2==0)
{
System.out.println(u);
}
else
{
if(u%2==0){
u=u-2;
System.out.println(u);}
else {
u=u-1;
System.out.println(u);}
}
}
}
}
Problem Link: CodeChef: Practical coding for everyone