SL No. Problem Name Level 1 ⇒ AVL Tree Graduate 2 ⇒ Convex hull Graduate 3 ⇒ Bellman Ford Problem Graduate 4 ⇒ Operations on binomial heaps Graduate 5 ⇒ Operations on fibonacci heaps Graduate 6 ⇒ Jugs Graduate 7 ⇒ Searching quickly Graduate 8 ⇒ Following orders Graduate 9 ⇒ Numbering Paths Graduate 10 ⇒ Software CRC Graduate 11 ⇒ Roman Roulette Graduate 12 ⇒ Ugly Numbers Graduate 13 ⇒ Run, Run, Runaround Numbers Graduate 14 ⇒ The Seasonal War Graduate 15 ⇒ Pesky Palindromes Graduate 16 ⇒ The Bases are Loaded Graduate 17 ⇒ Let Me Count The Ways Graduate 18 ⇒ Hi-Q Graduate 19 ⇒ Call Forwarding Graduate 20 ⇒ Basically Speaking Graduate 21 ⇒ Polynomial Showdown Graduate 22 ⇒ Board Silly Graduate 23 ⇒ Just the Facts Graduate 24 ⇒ Equation Elation Graduate 25 ⇒ Word Index Graduate 26 ⇒ Integer Inquiry Graduate 27 ⇒ Circumference of the Circle Graduate 28 ⇒ Knight Moves Graduate 29 ⇒ Eeny Meeny Moo Graduate 30 ⇒ Matrix Chain Multiplication Graduate 31 ⇒ Encoder and Decoder Graduate 32 ⇒ Marvelous Mazes Graduate 33 ⇒ Kibbles `n’ Bits `n’ Bits `n’ Bits Graduate 34 ⇒ Population Explosion Graduate 35 ⇒ Maximum Sum Graduate 36 ⇒ History Grading Graduate 37 ⇒ Tree Summing Graduate 38 ⇒ Climbing Trees Graduate 39 ⇒ Unidirectional TSP Graduate 40 ⇒ Postal Worker Rings Once Graduate 41 ⇒ Mutant Flatworld explorers Graduate 42 ⇒ Stack of Flapjacks Graduate 43 ⇒ Poker Solitaire Evaluator Graduate 44 ⇒ Project Scheduling Graduate 45 ⇒ Linear Cellular Automata Graduate 46 ⇒ Overflow Graduate 47 ⇒ Mirror, Mirror Graduate 48 ⇒ Wetlands of Florida Graduate 49 ⇒ Heads Tails Probability Graduate 50 ⇒ What Goes Up Graduate 51 ⇒ Permutation Arrays Graduate 52 ⇒ The Department of Redundancy Department Graduate 53 ⇒ Pascal s Triangle of Death Graduate 54 ⇒ English Number Translator Graduate 55 ⇒ Boggle Blitz Graduate 56 ⇒ Triangle Wave Graduate 57 ⇒ Rotating Sentences Graduate 58 ⇒ Pig-Latin Graduate 59 ⇒ Kindergarten Counting Game Graduate 60 ⇒ Simply Subsets Graduate 61 ⇒ What’s The Frequency, Kenneth? Graduate 62 ⇒ Jill Rides Again Graduate 63 ⇒ Word Graduate 64 ⇒ Gossiping Graduate 65 ⇒ String Distance and Transform Process Graduate 66 ⇒ Binomial Showdown Graduate 67 ⇒ Dungeon Master Graduate 68 ⇒ Frogger Graduate 69 ⇒ Artificial Intelligence Graduate 70 ⇒ Balancing Bank Accounts Graduate 71 ⇒ Error Correction Graduate 72 ⇒ Goldbach’s Conjecture Graduate 73 ⇒ Heavy Cargo Graduate 74 ⇒ DDF Graduate 75 ⇒ Tree Graduate 76 ⇒ Wormholes Graduate 77 ⇒ Dividing Coins Graduate 78 ⇒ Oil Deposits Graduate 79 ⇒ The Snail Graduate 80 ⇒ The Path Graduate 81 ⇒ The Boggle Game Graduate 82 ⇒ Scheduling Lectures Graduate 83 ⇒ Counterfeit Dollar Graduate 84 ⇒ Is It A Tree? Graduate 85 ⇒ Cellular Structure Graduate 86 ⇒ Secret Research Graduate 87 ⇒ 500! Graduate 88 ⇒ Ecosystem Graduate 89 ⇒ The Net Graduate 90 ⇒ Compression (II) Graduate 91 ⇒ Squares (III) Graduate 92 ⇒ Don’t Get Rooked Graduate 93 ⇒ Self Numbers Graduate 94 ⇒ Do the Untwist Graduate 95 ⇒ Find Max. and Next Max. Graduate 96 ⇒ Running on Safe Path Graduate 97 ⇒ Life, the Universe, and Everything Graduate 98 ⇒ Small Factorials Graduate 99 ⇒ ONP: Transform the Expression Graduate 100 ⇒ ADDREV: Adding Reversed Numbers Graduate 101 ⇒ The 3n+1 problem Graduate 102 ⇒ Ecological bin packaging Graduate 103 ⇒ Fermat vs Pythagoras Graduate 104 ⇒ Stacking Boxes Graduate 105 ⇒ Mar-Apr 2011: Airline Comparison Graduate