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- Azembler2500Codeforcesbrute forceimplementation
- Aztec Catacombs2600Codeforcesconstructive algorithms
- BCPC2700Codeforcesbinary searchgeometrytwo pointers
- BFS Trees2600Codeforcescombinatoricsdfs and similargraphsmath
- Baby Ehab Plays with Permutations2500Codeforcescombinatoricsdpmath
- Baby Ehab's Hyper Apartment2700Codeforcesbinary searchgraphsinteractivesortings
- Babysitting2500Codeforces2-satbinary searchdata structuresgraphs
- Bacterial Melee2400Codeforcesbrute forcecombinatoricsdpstring suffix structures
- Bad Luck2843CodeChef
- Bags and Coins2700Codeforcesbitmasksconstructive algorithmsdpgreedy
- Bags with Balls2500Codeforcescombinatoricsdpmathnumber theory
- Balance2500Codeforcesdp
- Balance2500Codeforcesconstructive algorithmsdfs and similargraphstrees
- Balance (Hard version)2400Codeforcesbrute forcedata structuresnumber theory
- Balanced2400Codeforcesconstructive algorithmsdata structuresgreedyimplementation
- Balanced Binary Search Trees2400Codeforcesdpmath
- Balanced Domino Placements2600Codeforcescombinatoricsdp
- Balanced Subsequences2700Codeforcescombinatoricsdpmath
- Balanced Unshuffle (Hard)2400Codeforcesconstructive algorithmstrees
- Balanced Unshuffle (Medium)2400Codeforcesbrute forceconstructive algorithmstrees
- Balancing2500Codeforcesgreedy
- Balancing Network Revisited2894CodeChef
- Balancing Weapons2500Codeforcesbinary searchbrute forcedata structuresmath
- Baldman and the military2700Codeforcesdfs and similargraphstrees
- Ball2400Codeforcesdata structuressortings
- Banned Quotient2639CodeChef
- BareLee2700Codeforcesdfs and similardpgames
- Bash Matrix2823CodeChef
- Bash Plays with Functions2500Codeforcesbrute forcecombinatoricsdpnumber theory
- Battle Lemmings2500Codeforcesdpgreedy
- Battle Royale2795CodeChef
- BattleCows 22500Codeforcesbinary searchbrute forcedata structuresdp
- Baudelaire (hard version)2500Codeforcesbinary searchdfs and similardivide and conquerimplementation
- Beads2600Codeforcesdpgraphs
- Bear and Bowling 42500Codeforcesbinary searchdata structuresdivide and conquergeometry
- Bear and Cat Trap2886CodeChef
- Bear and Company2500Codeforcesdp
- Bear and Contribution2400Codeforcesdata structuresgreedysortingstwo pointers
- Bear and Destroying Subtrees2700Codeforcesdpmathprobabilitiestrees
- Bear and Fair Set2500Codeforcesflowsgraphs
- Bear and Forgotten Tree 22400Codeforcesdfs and similardsugraphstrees
- Bear and Haircut2656CodeChef
- Bear and Oveflow Points2624CodeChef
- Bear and Square Grid2400Codeforcesdfs and similardsuimplementation
- Beautiful Array2622CodeChef
- Beautiful Array2671CodeChef
- Beautiful Bracket Sequence (easy version)2600Codeforcescombinatoricsdpprobabilities
- Beautiful Flip2616CodeChef
- Beautiful League2700Codeforcesconstructive algorithmsflowsgraph matchings
- Beautiful Mirrors with queries2400Codeforcesdata structuresprobabilities
- Beautiful Patterns (Easy Version)2400Codeforcescombinatoricsmathprobabilities
- Beautiful Patterns (Hard Version)2500Codeforcescombinatoricsmathprobabilities
- Beautiful Permutation2841CodeChef
- Beautiful numbers2500Codeforcesdpnumber theory
- Beauty of Pairs2834CodeChef
- Before Having Donuts2849CodeChef
- BerDonalds2400Codeforcesgraphsmathshortest paths
- BerPaint2700Codeforcesgeometrygraphs
- Berkomnadzor2400Codeforcesdata structuresgreedy
- Berland Army2600Codeforcesconstructive algorithmsgraphsgreedy