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- Pivotal Reversal2955CodeChef
- Place Balls Twice3633CodeChef
- Planar Graph3000Codeforcesflowsgeometrygraphs
- Planar Perimeter3200Codeforcesconstructive algorithmsgraphs
- Plane of Tanks2900Codeforcesbrute forcegeometry
- Planning the Trip3242CodeChef
- Playing Around the Table2900Codeforcesconstructive algorithmsgreedyimplementation
- Plus Equation3077CodeChef
- Plus Xor Increase3494CodeChef
- Point constraints2984CodeChef
- Pointless Machine3300Codeforcesconstructive algorithmsgraphsinteractivetrees
- Points2800Codeforcesdata structures
- Points and Segments3000Codeforcesgraphs
- PolandBall and Many Other Balls3200Codeforcescombinatoricsdivide and conquerdpfft
- Pollywog2900Codeforcescombinatoricsdpmatrices
- Polo the Penguin and Lucky Numbers2800Codeforcesdpimplementationmath
- Polycarpus and Tasks3100Codeforces
- Polygon3000Codeforcesbinary searchdpgeometry
- Polygon & Circles2934CodeChef
- Polygon (Subtasks Here)2969CodeChef
- Polygon Chain2969CodeChef
- Polygonal Segments2800Codeforcesbrute forcedata structuresdivide and conquerdp
- Polygons2800Codeforcesgreedymathnumber theory
- Polynomial Root2967CodeChef
- Porto Vs. Benfica2800Codeforcesdata structuresdfs and similardsugraphs
- Positions2970CodeChef
- Power Substring3200Codeforcesmathnumber theory
- Power Tree2960CodeChef
- Power Tree2955CodeChef
- Powers of 23156CodeChef
- Precise Bipartite Pairing2949CodeChef
- Precise Pairing2983CodeChef
- Prediction2800Codeforcescombinatoricsdpmath
- Prefix Max3097CodeChef
- Prefix Max Set Counting3100Codeforcesdata structuresdptrees
- Prefix OR3253CodeChef
- Prefix XORs3078CodeChef
- Present for Vitalik the Philatelist 2900Codeforcescombinatoricsmathnumber theory
- Pretty Boxes2929CodeChef
- Pricing Tollbooths2936CodeChef
- Prime Cycle3021CodeChef
- Prime Split Game3300Codeforcesbitmasksdpfftgames
- Prince's Problem2800Codeforcesbrute forcedata structuresmathnumber theory
- Princess and Her Shadow3100Codeforcesconstructive algorithmsshortest paths
- Priority Customers (Easy)2921CodeChef
- Priority Customers (Hard)3168CodeChef
- Prison Break3500Codeforcesbinary searchgamesgeometryternary search
- Privatization3000Codeforcesflowsgraphs
- Probability2992CodeChef
- Problem from Red Panda3300Codeforcescombinatorics
- Problem of offices2900Codeforcesconstructive algorithmsdfs and similardptrees
- Problem with Queries3000Codeforcesbrute forcedata structuresimplementation
- Problems for Codeforces3300Codeforcescombinatoricsfftmath
- Product Mex Queries3183CodeChef
- Product of Diameters2970CodeChef
- Professional layer3100Codeforcesbitmasksdp
- Projectors3100Codeforcesflowsgraphs
- Public Service3200Codeforcesconstructive algorithmsgraphstrees
- Pudding Monsters2800Codeforcesdp
- Pudding Monsters3000Codeforcesdata structuresdivide and conquer