Codeforces
Codeforces Round #536 (Div. 2) A Lunar New Year and Cross Counting
Codeforces Round #536 (Div. 2) B Lunar New Year and Food Ordering
Codeforces Round #536 (Div. 2) C Lunar New Year and Number Division
Codeforces Round #536 (Div. 2) D Lunar New Year and a Wander
Codeforces Round #536 (Div. 2) E Lunar New Year and Red Envelopes
Codeforces Round #605 (Div. 3) A Three Friends
Codeforces Round #605 (Div. 3) B Snow Walking Robot
Codeforces Round #605 (Div. 3) C Yet Another Broken Keyboard
Codeforces Round #605 (Div. 3) D Remove One Element
Codeforces Round #605 (Div. 3) E Nearest Opposite Parity
Codeforces Round #611 (Div. 3) A Minutes Before the New Year
Codeforces Round #611 (Div. 3) B Candies Division
Codeforces Round #611 (Div. 3) C Friends and Gifts
Codeforces Round #611 (Div. 3) D Christmas Trees
Codeforces Round #617 (Div. 3) A Array with Odd Sum
Codeforces Round #617 (Div. 3) B Food Buying
Codeforces Round #617 (Div. 3) C Yet Another Walking Robot
Codeforces Round #617 (Div. 3) D Fight with Monsters
Codeforces Round #666 (Div. 2) A Juggling Letters
Codeforces Round #666 (Div. 2) B Power Sequence
Codeforces Round #666 (Div. 2) C Multiples of Length
Codeforces Round #666 (Div. 2) D Stoned Game
Codeforces Round #666 (Div. 2) E Monster Invaders
Codeforces Round #667 (Div. 3) A Yet Another Two Integers Problem
Codeforces Round #667 (Div. 3) B Minimum Product
Codeforces Round #667 (Div. 3) C Yet Another Array Restoration
Codeforces Round #667 (Div. 3) D Decrease the Sum of Digits
Codeforces Round #667 (Div. 3) E Two Platforms
Codeforces Round #667 (Div. 3) F Subsequences of Length Two
Codeforces Round #668 (Div. 2) A Permutation Forgery
Codeforces Round #668 (Div. 2) B Array Cancellation
Codeforces Round #668 (Div. 2) C Balanced Bitstring
Codeforces Round #677 (Div. 3) A Boring Apartments
Codeforces Round #677 (Div. 3) B Yet Another Bookshelf
Codeforces Round #677 (Div. 3) C Dominant Piranha
Codeforces Round #677 (Div. 3) D Districts Connection
Codeforces Round #677 (Div. 3) E Two Round Dances
Codeforces Round #677 (Div. 3) F Zero Remainder Sum
Codeforces Round #686 (Div. 3) A Special Permutation
Codeforces Round #686 (Div. 3) B Unique Bid Auction
Codeforces Round #686 (Div. 3) C Sequence Transformation
Codeforces Round #686 (Div. 3) D Number into Sequence
Codeforces Round #686 (Div. 3) E Number of Simple Paths
Codeforces Round #690 (Div. 3) A Favorite Sequence
Codeforces Round #690 (Div. 3) B Last Year's Substring
Codeforces Round #690 (Div. 3) C Unique Number
Codeforces Round #690 (Div. 3) D Add to Neighbour and Remove
Codeforces Round #690 (Div. 3) E1 Close Tuples (easy version)
Codeforces Round #690 (Div. 3) E2 Close Tuples (hard version)
Codeforces Round #690 (Div. 3) F The Treasure of The Segments
Codeforces Round #693 (Div. 3) A Cards for Friends
Codeforces Round #693 (Div. 3) B Fair Division
Codeforces Round #693 (Div. 3) C Long Jumps
Codeforces Round #693 (Div. 3) D Even-Odd Game
Codeforces Round #693 (Div. 3) E Correct Placement
Codeforces Round #693 (Div. 3) G Moving to the Capital
Codeforces Round #697 (Div. 3) A Odd Divisor
Codeforces Round #697 (Div. 3) B New Year's Number
Codeforces Round #697 (Div. 3) C Ball in Berland
Codeforces Round #697 (Div. 3) D Cleaning the Phone
Codeforces Round #697 (Div. 3) E Advertising Agency
Codeforces Round #697 (Div. 3) G Strange Beauty
Codeforces Round #699 (Div. 2) A Space Navigation
Codeforces Round #699 (Div. 2) B New Colony
Codeforces Round #699 (Div. 2) C Fence Painting
Codeforces Round #699 (Div. 2) D AB Graph
Codeforces Round #700 (Div. 2) A Yet Another String Game
Codeforces Round #700 (Div. 2) B The Great Hero
Codeforces Round #700 (Div. 2) C Searching Local Minimum
Codeforces Round #701 (Div. 2) A Add and Divide
Codeforces Round #701 (Div. 2) B Replace and Keep Sorted
Codeforces Round #701 (Div. 2) C Floor and Mod
Educational Codeforces Round 104 (Div. 2) A Arena
Educational Codeforces Round 104 (Div. 2) B Cat Cycle
Educational Codeforces Round 104 (Div. 2) C Minimum Ties
Educational Codeforces Round 104 (Div. 2) D Pythagorean Triples
Educational Codeforces Round 104 (Div. 2) E Cheap Dinner
Codeforces Round #702 (Div. 3) A Dense Array
Codeforces Round #702 (Div. 3) B Balanced Remainders
Codeforces Round #702 (Div. 3) C Sum of Cubes
Codeforces Round #702 (Div. 3) D Permutation Transformation
Codeforces Round #702 (Div. 3) E Accidental Victory
Codeforces Round #702 (Div. 3) F Equalize the Array
Codeforces Round #704 (Div. 2) A Three swimmers
Codeforces Round #704 (Div. 2) B Card Deck
Codeforces Round #704 (Div. 2) C Maximum width
Codeforces Round #706 (Div. 2) A Split it!
Codeforces Round #706 (Div. 2) B Max and Mex
Codeforces Round #706 (Div. 2) C Diamond Miner
Educational Codeforces Round 106 (Div. 2) A Domino on Windowsill
Educational Codeforces Round 106 (Div. 2) B Binary Removals
Educational Codeforces Round 106 (Div. 2) C Minimum Grid Path
Codeforces Round #710 (Div. 3) A Strange Table
Codeforces Round #710 (Div. 3) B Partial Replacement
Codeforces Round #710 (Div. 3) C Double-ended Strings
Codeforces Round #710 (Div. 3) D Epic Transformation
Codeforces Round #710 (Div. 3) E Restoring the Permutation
Codeforces Round #710 (Div. 3) F Triangular Paths
Codeforces Round #713 (Div. 3) A Spy Detected!
Codeforces Round #713 (Div. 3) B Almost Rectangle
Codeforces Round #713 (Div. 3) C A-B Palindrome
Codeforces Round #713 (Div. 3) D Corrupted Array
Codeforces Round #713 (Div. 3) F Education
Educational Codeforces Round 107 (Div. 2) A Review Site
Educational Codeforces Round 107 (Div. 2) B GCD Length
Educational Codeforces Round 107 (Div. 2) C Yet Another Card Deck
Educational Codeforces Round 107 (Div. 2) D Min Cost String
Codeforces Round #716 (Div. 2) A Perfectly Imperfect Array
Codeforces Round #716 (Div. 2) B AND 0, Sum Big
Codeforces Round #716 (Div. 2) C Product 1 Modulo N
Codeforces Round #717 (Div. 2) A Tit for Tat
Codeforces Round #717 (Div. 2) B AGAGA XOOORRR
Contest 2050 and Codeforces Round #718 (Div. 1 + Div. 2) A Sum of 2050
Contest 2050 and Codeforces Round #718 (Div. 1 + Div. 2) B Morning Jogging
Contest 2050 and Codeforces Round #718 (Div. 1 + Div. 2) C Fillomino 2
Contest 2050 and Codeforces Round #718 (Div. 1 + Div. 2) D Explorer Score
Educational Codeforces Round 108 (Div. 2) A Red and Blue Beans
Educational Codeforces Round 108 (Div. 2) B The Cake Is a Lie
Educational Codeforces Round 108 (Div. 2) C Berland Regional
Educational Codeforces Round 108 (Div. 2) D Maximum Sum of Products
Codeforces Round #719 (Div. 3) A Do Not Be Distracted!
Codeforces Round #719 (Div. 3) B Ordinary Numbers
Codeforces Round #719 (Div. 3) C Not Adjacent Matrix
Codeforces Round #719 (Div. 3) D Same Differences
Codeforces Round #719 (Div. 3) E Arranging The Sheep
Codeforces Round #719 (Div. 3) F Guess the K-th Zero (Easy version)
Educational Codeforces Round 109 (Div. 2) A Potion-making
Educational Codeforces Round 109 (Div. 2) B Permutation Sort
Educational Codeforces Round 109 (Div. 2) C Robot Collisions
Educational Codeforces Round 109 (Div. 2) D Armchairs
Codeforces Round #725 (Div. 3) A Stone Game
Codeforces Round #725 (Div. 3) B Friends and Candies
Codeforces Round #725 (Div. 3) C Number of Pairs
Codeforces Round #725 (Div. 3) D Another Problem About Dividing Numbers
Codeforces Round #725 (Div. 3) F Interesting Function
Codeforces Round #725 (Div. 3) G Gift Set