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- April Fools' Problem (easy)1200Codeforcesgreedysortings
- AquaMoon and Stolen String1200Codeforcesinteractivemath
- Arranging the Appetizers1462CodeChef
- Array1100Codeforcesbrute forceconstructive algorithmsimplementation
- Array Craft1200Codeforcesconstructive algorithmsgreedy
- Array Fix1100Codeforcesbrute forcedpgreedyimplementation
- Array Halves1407CodeChef
- Array Recovery1100Codeforcesconstructive algorithmsgreedymath
- Array Removal1550CodeChef
- Array and Permutation1100Codeforcesimplementationschedulessortingstwo pointers
- Artistic Balance Tree1100Codeforcesgreedysortings
- Assembly via Minimums1200Codeforcesgreedysortings
- Asterisks1100Codeforces*specialimplementation
- Astrophysicists1100Codeforcesgreedymath
- Asuna and the Mosquitoes1200Codeforcesconstructive algorithmsgreedymath
- Autocomplete1100Codeforcesimplementation
- Average Array1424CodeChef
- Average Numbers1200Codeforcesbrute forceimplementation
- Average Permutation1401CodeChef
- B - Valentine Couples1412CodeChef
- BIT Magazine1463CodeChef
- Bad Prices1100Codeforcesdata structuresimplementation
- Bad Sequence1200Codeforcesdata structuresgreedy
- Badges1100Codeforcesbrute forcemath
- Balanced Team1200Codeforcessortingstwo pointers
- Balanced and Unique Arrays1431CodeChef
- Ball Distribution1442CodeChef
- Balsa For The Three1572CodeChef
- Bandwidth of a matrix1574CodeChef
- Basil's Garden1200Codeforcesdpgreedy
- Battle Cows1200Codeforcesbinary searchdata structuresgreedy
- Bayan Bus1100Codeforcesimplementation
- Bear and Displayed Friends1200Codeforcesimplementation
- Bear and Elections1200Codeforcesgreedyimplementation
- Bear and Strings1200Codeforcesbrute forcegreedyimplementationmath
- Beautiful Array1200Codeforcesconstructive algorithmsmath
- Beautiful Paintings1200Codeforcesgreedysortings
- Beautiful Pairs1548CodeChef
- Beautiful Strings1473CodeChef
- Beautiful XOR1100Codeforcesbitmasksconstructive algorithmsgreedy
- Before an Exam1200Codeforcesconstructive algorithmsgreedy
- Begginer's Zelda1100Codeforcesgreedytrees
- Bella ciao1410CodeChef
- Belted Rooms1200Codeforcesgraphsimplementation
- Benches1100Codeforcesbinary searchimplementation
- BerSU Ball1200Codeforcesdfs and similardpgraph matchingsgreedy
- Bessie and MEX1100Codeforcesconstructive algorithmsmath
- Best Subsegment1100Codeforcesimplementationmath
- Bets1200Codeforcesgreedyimplementation
- Big Segment1100Codeforcesimplementationsortings
- Binary Base Basics1447CodeChef
- Binary Cafe1100Codeforcesbitmaskscombinatoricsmath
- Binary Colouring1100Codeforcesbitmasksconstructive algorithmsgreedymath
- Binary Conversion1557CodeChef
- Binary Cut1100Codeforcesdpgreedyimplementationsortings
- Binary Deque1200Codeforcesbinary searchimplementationtwo pointers
- Binary Inversions1100Codeforcesdata structuresgreedymath
- Binary Love1536CodeChef
- Binary Minimal1519CodeChef
- Binary Period1100Codeforcesconstructive algorithmsstrings