Alice and Bob each created one problem for HackerRank. A reviewer rates the two challenges, awarding points on a scale from 1 to 100 for three categories: problem clarity, originality, and difficulty.

The geological setting includes a basement structure beneath Java dominated by ophiolitic and volcanic arc material that was stranded at the margin of the ancient subduction zone (Sundaland) during ...

The diagonal shot (DS) and straight shot (SS) using the forehand loop are the most common techniques used in table tennis. The purpose of this study was to investigate the kinematic differences of the ...

Why do United States and Canada—while so close and seemingly so similar—remain different in so many ways? A new volume titled Canada and the United States: Differences that Count, edited by Canada ...

// The first line contains two integers X and Y separated by a space. // The factors of 24 are 1, 2, 3, 4, 6, 8, 12 and 24. // The factors of 96 are 1, 2, 3, 4, 6, 8 ...