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- Points Movement2600Codeforcesdata structuresdpgreedyimplementation
- Points Selection2400Codeforcesdpgreedy
- Points and Convex Hulls2829CodeChef
- Pokermon League challenge2400Codeforcesmathprobabilities
- Pokémon Arena2400Codeforcesdata structuresgraphsgreedyimplementation
- PolandBall and Gifts2600Codeforcesbitmasksdpgreedy
- PolandBall and White-Red graph2400Codeforcesconstructive algorithmsgraphsshortest paths
- Policeman and a Tree2700Codeforcesdpgraphstrees
- Politics2600Codeforcesflowsgraphs
- Polo the Penguin and Trees 2400Codeforcescombinatoricsdfs and similartrees
- Polo the Penguin and the Tree2758CodeChef
- Polyathlon2500Codeforcesbinary searchdata structureshashingstring suffix structures
- Polycarpus the Safecracker2500Codeforcesbrute forcedp
- Polynomials2722CodeChef
- Pool Records2700Codeforces*specialgreedy
- Population Size2400Codeforcesgreedyimplementationmath
- Positions in Permutations2600Codeforcescombinatoricsdpmath
- Possible Contender2856CodeChef
- Post Office2659CodeChef
- Power Defence2600Codeforcesbrute forcedpgeometrygreedy
- Power Sockets2600Codeforcesbinary searchdata structuresgreedy
- Power Sum2614CodeChef
- Power Sums2824CodeChef
- Power Tower2700Codeforceschinese remainder theoremmathnumber theory
- Power Tree2600Codeforcesdata structurestrees
- Power Tree2500Codeforcesdfs and similardpdsugraphs
- Power or XOR?2500Codeforcesbitmaskscombinatoricsmathnumber theory
- Precious Stones 2775CodeChef
- Preferred Cooking Schools2762CodeChef
- Prefix And2728CodeChef
- Prefix Enlightenment2400Codeforcesdfs and similardsugraphs
- Prefix Suffix And Or2854CodeChef
- Prefix Sums2400Codeforcesbinary searchbrute forcecombinatoricsmath
- Prefix borders2613CodeChef
- Preorder Test2600Codeforcesbinary searchdfs and similardpgraphs
- Present for Andrii2729CodeChef
- President's Path2500Codeforcesdpgraphsshortest paths
- Prime Divisors Selection2700Codeforcesbinary searchgreedymathnumber theory
- Prime Gaming (Hard Version)2500Codeforcesbitmaskscombinatoricsdpprobabilities
- Prime Gift2400Codeforcesbinary searchdfs and similarmathmeet-in-the-middle
- Primitive Queries2659CodeChef
- Princess and Dragons2879CodeChef
- Privatization of Roads in Berland2400Codeforcesflowsgraph matchingsgraphs
- Product Path2842CodeChef
- Product Sum2600Codeforcesdata structuresdpgeometry
- Product Tuples2500Codeforcesdivide and conquerfft
- Product on Tree2614CodeChef
- Professor's task2700Codeforcesdata structuresgeometry
- Profitable Paths 22802CodeChef
- Project Manager2400Codeforcesbrute forcedata structuresimplementation
- Prufer Vertex2500Codeforcescombinatoricsdsunumber theoryprobabilities
- Puppy and GCD2817CodeChef
- Puppy and Palindromes2761CodeChef
- Purple Crayon2400Codeforcesdata structuresdfs and similargamesgraphs
- Putting Boxes Together2500Codeforcesdata structures
- Puzzle2400Codeforcesbrute forceconstructive algorithmsgreedymath
- Puzzle2600Codeforcesconstructive algorithmsdpgreedy
- Quadratic Jumps2600Codeforcesbrute forceconstructive algorithmsgreedymath
- Quantifier Question2600Codeforcesdfs and similardpgraphsmath
- Quarrel2400Codeforcesgraphsshortest paths