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class Main { public static void main(String args[]) { int x=1,n=5,sum=0; if(n%2==0) { while(x<=n) { if(x%2==0) { sum=sum+x; } x++; } } else { while(x<=n) { if(x%2!=0) { sum=sum+x; } x++; } } System.out.print(sum); } }
class Main { public static void main(String args[]) { int x=1,n,sum=0; n=Integer.parseInt(args[0]); if(n%2==0) { while(x<=n) { if(x%2==0) { sum=sum+x; } x++; } } else { while(x<=n) { if(x%2!=0) { sum=sum+x; } x++; } } System.out.print(sum); } }
import java.util.*; class Main { public static void main(String args[]) { int x=1,n,sum=0; Scanner s=new Scanner(System.in); System.out.println("Enter n value"); n=s.nextInt(); if(n%2==0) { while(x<=n) { if(x%2==0) { sum=sum+x; } x++; } } else { while(x<=n) { if(x%2!=0) { sum=sum+x; } x++; } } System.out.print(sum); } }