README ¶ Problem solving at HackerRank. Easy Medium Hard Expand ▾ Collapse ▴ Directories ¶ Show internal Expand all Path Synopsis easy a-very-big-sum acm-icpc-team angry-professor append-and-delete apple-and-orange beautiful-days-at-the-movies between-two-sets birthday-cake-candles bon-appetit breaking-best-and-worst-records cats-and-a-mouse circular-array-rotation compare-the-triplets counting-valleys cut-the-sticks day-of-the-programmer designer-pdf-viewer diagonal-difference divisible-sum-pairs drawing-book electronics-shop equality-in-a-array find-digits grading jumping-on-the-clouds jumping-on-the-clouds-revisited kangaroo kaprekar-numbers library-fine migratory-birds mini-max-sum permutation-equation picking-numbers plus-minus repeated-string save-the-prisoner sherlock-and-squares simple-array-sum sock-merchant solve-me-first staircase strange-advertising taum-and-bday the-birthday-bar the-hurdle-race time-conversion utopian-tree Click to show internal directories. Click to hide internal directories.