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  1. Prepare
  2. Tutorials
  3. 30 Days of Code
  4. Day 19: Interfaces
  5. Discussions

Day 19: Interfaces

  • nuhman
     + 4 comments

    I din't understand why you are doing the

    if((int)Math.sqrt(n)*(int)Math.sqrt(n)==n){
           sum -= Math.sqrt(n);
       }

    part. Can you explain?