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- Pictures with Kittens (easy version)1900Codeforcesdp
- Pie or die1900Codeforcesgames
- Pillars2000Codeforcesbinary searchdata structuresdpsortings
- Pinball2000Codeforcesbinary searchdata structuresimplementationmath
- Pishty and Triangles2261CodeChef
- Pishty and birthday2264CodeChef
- Pishty and tree2225CodeChef
- Place the balloon2323CodeChef
- Placing Jinas2000Codeforcescombinatoricsmath
- Planetary Path2368CodeChef
- Playing with Superglue2000Codeforcescombinatoricsconstructive algorithms
- Playlist1900Codeforcesdata structuresdsuimplementationshortest paths
- Point Grid2204CodeChef
- Points Inside A Polygon2238CodeChef
- PolandBall and Polygon2000Codeforcesdata structures
- Police Patrol2000Codeforcesgreedyimplementationmathternary search
- Police Station1900Codeforcesdpgraphsshortest paths
- Polo the Penguin and the XOR2263CodeChef
- Polycarp and Hay2000Codeforcesdfs and similardsugraphsgreedy
- Polycarp and Snakes2000Codeforcesbrute forceimplementation
- Polynomial Partition Function2216CodeChef
- Porcelain1900Codeforcesdp
- Potato to Gold2326CodeChef
- Power Transmission (Easy Edition)1900Codeforcesbrute forcegeometry
- Power Transmission (Hard Edition)1900Codeforcesdata structuresgeometryimplementationmath
- Prefix Max Counting2331CodeChef
- Prefix Max Xor2277CodeChef
- Prefix Maximum Invariance1900Codeforcesbinary searchcombinatoricsdata structuressortings
- Prefix Suffix Operations2317CodeChef
- Prefixes and Suffixes2000Codeforcesdpstring suffix structuresstringstwo pointers
- Preparing for the Contest1900Codeforcesbinary searchdata structuresgreedysortings
- Present to Mom2000Codeforcesbinary searchtwo pointers
- Pretty Song2000Codeforcesmathstrings
- Prime Number1900Codeforcesmathnumber theory
- Prime Query2292CodeChef
- Prime XOR Coloring1900Codeforcesbitmasksconstructive algorithmsgraphsgreedy
- Primes in Interval1900Codeforces*special
- Primes in the GCD table2375CodeChef
- Print a 1337-string...1900Codeforcescombinatoricsconstructive algorithmsmathstrings
- Prison Escape2364CodeChef
- Privatization of Roads in Treeland1900Codeforcesbinary searchconstructive algorithmsdfs and similargraphs
- Problemsolving Marathon1900Codeforces*specialbinary searchgreedy
- Professor Higashikata1900Codeforcesdata structuresdsugreedyimplementation
- Programming Competition1900Codeforcesdfs and similardpgraph matchingsgreedy
- Progressions Covering1900Codeforcesdata structuresgreedy
- Propagating tree2000Codeforcesdata structuresdfs and similartrees
- Pruning Trees2284CodeChef
- Psychos in a Line1900Codeforcesdata structuresimplementation
- Purify It2344CodeChef
- Queue2000Codeforcesconstructive algorithmsdp
- R2D2 and Droid Army2000Codeforcesbinary searchdata structurestwo pointers
- RGB Construction2256CodeChef
- RReeppeettiittiioonn2000Codeforcesbinary searchbrute forceimplementationmath
- Random Game2202CodeChef
- Range AND2301CodeChef
- Range Sorting (Easy Version)2000Codeforcesbinary searchdpdsugreedy
- Reachability from the Capital2000Codeforcesdfs and similargraphsgreedy
- Read Time1900Codeforcesbinary searchgreedytwo pointers
- Receipt Recovery2340CodeChef
- Recommendations1900Codeforcesdata structuresimplementationsortingstwo pointers