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- Beingawesomeism1800Codeforcesimplementationmath
- BerOS file system1700Codeforcesimplementation
- Berland Fair1700Codeforcesbinary searchbrute forcedata structuresgreedy
- Berry Jam1700Codeforcesdata structuresdpgreedyimplementation
- Bessie's Birthday Cake (Hard Version)1700Codeforcesgeometrygreedymath
- Best Runner1700Codeforces*special
- Biathlon1700Codeforcesbinary searchimplementation
- Bicolorings1700Codeforcesbitmasksdp
- Bicycles1800Codeforcesgraphsgreedyimplementationshortest paths
- Big Data1700Codeforces*special
- Binary Flipping (Easy)2137CodeChef
- Binary Numbers AND Sum1700Codeforcesdata structuresimplementationmath
- Binary Search1700Codeforcesbinary searchconstructive algorithmsgreedy
- Binary String Game2179CodeChef
- Binary String MEX2048CodeChef
- Binary String Sorting1800Codeforcesconstructive algorithmsgreedy
- Binary Substitution2161CodeChef
- Binary notation1800Codeforces*special
- Binary notation1800Codeforces*special
- Birthday Gift Again2010CodeChef
- Bit Guessing Game1800Codeforcesbinary searchbitmasksconstructive algorithmsinteractive
- Bits1700Codeforcesbitmasksconstructive algorithms
- Bitwise Formula1800Codeforcesbitmasksbrute forcedfs and similarexpression parsing
- Bitwise Operation Wizard1700Codeforcesbitmasksconstructive algorithmsgreedyinteractive
- Blackslex and Girls1800Codeforcesconstructive algorithmsgeometrymath
- Block unitary1700Codeforces*special
- Blog Photo1700Codeforcesbinary searchimplementation
- Board Game1700Codeforcesgamesgreedyimplementationmath
- Bob and Pallindromes2060CodeChef
- Boboniu Chats with Du1800Codeforcesdpgreedysortingstwo pointers
- Book1800Codeforcesbinary searchbrute forcedata structuresdp
- Boolean Game2028CodeChef
- Boom1800Codeforcesimplementation
- Border1800Codeforcesnumber theory
- Boring Partition1800Codeforcesconstructive algorithms
- Boris and His Amazing Haircut1700Codeforcesconstructive algorithmsdata structuresdpdsu
- Borya and Hanabi1700Codeforcesbitmasksbrute forceimplementation
- Bots1800Codeforcescombinatoricsdpmathnumber theory
- Bouncy Ball1700Codeforcesbrute forcedfs and similarimplementation
- Bouquet (Hard Version)1700Codeforcesbinary searchdata structuresgreedymath
- Box and Ball System2107CodeChef
- Boxes Packing1800Codeforcesbinary searchimplementation
- Bracket Sequence1700Codeforcesdata structuresexpression parsingimplementation
- Brackets1800Codeforces*special
- Brand New Easy Problem1700Codeforcesbrute force
- Break The String2084CodeChef
- Brevity is Soul of Wit1800Codeforcesgraph matchings
- Broken Clock2193CodeChef
- Buggy algorithm2043CodeChef
- Bulbs and Wires2116CodeChef
- Bulls and Cows1700Codeforcesbrute forceimplementation
- Buns1700Codeforcesdp
- Burenka and Traditions (easy version)1800Codeforcesdpgreedy
- Bus Number1800Codeforcesbrute forcecombinatoricsmath
- Buses1800Codeforcesgreedysortings
- Buses1700Codeforcesbinary searchdata structuresdp
- Busy Robot1800Codeforcesimplementation
- Buying gifts1800Codeforcesdata structuresgreedysortings
- By Elevator or Stairs?1700Codeforcesdpshortest paths
- Bytelandian Shoppers2174CodeChef