/* 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
{
BufferedInputStream bf = new BufferedInputStream(System.in);
BufferedReader r = new BufferedReader( new InputStreamReader( bf ) );
int test = Integer.parseInt( r.readLine() );
String[] temp = r.readLine().split("\\s");
int N = Integer.parseInt( temp[0] );
int K = Integer.parseInt( temp[1] );
for(int i = 0; i<test; i++)
{
int val = (N-K)+K*(K+1)/2;
System.out.println(val);
}
}
}
This code Works fine againts custom inputs but completly fails NZEC NumberFormatException null
even if i use Scanner it gives NoSuchElementException There must be somthing seriously wrong with COdeChefs backEnd