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- Treasure Hunting2100Codeforcesbinary searchdpgreedyimplementation
- Tree2200Codeforcesbinary searchdptrees
- Tree Array2300Codeforcesbrute forcecombinatoricsdpgraphs
- Tree Coloring (Hard Version)2100Codeforcescombinatoricsconstructive algorithmsdata structuresdfs and similar
- Tree Colorings2200Codeforcescombinatoricsdfs and similardpgraphs
- Tree Compass2300Codeforcesconstructive algorithmsdfs and similargreedytrees
- Tree Constructing2100Codeforcesconstructive algorithmsgraphs
- Tree Cut Xor2548CodeChef
- Tree Distance Set2475CodeChef
- Tree Folding2200Codeforcesdfs and similardpgreedyimplementation
- Tree Master2200Codeforcesbrute forcedata structuresdfs and similartrees
- Tree Orientation (Hard Version)2200Codeforcesdfs and similardsugraphsgreedy
- Tree Painting2100Codeforcesdfs and similardptrees
- Tree Queries (Easy Version)2200Codeforcesbrute forceconstructive algorithmsdfs and similardp
- Tree Queries (Hard Version)2300Codeforcesconstructive algorithmsdfs and similardpgreedy
- Tree Requests2200Codeforcesbinary searchbitmasksconstructive algorithmsdfs and similar
- Tree Swapping (Hard)2473CodeChef
- Tree difference2441CodeChef
- Tree with Small Distances2100Codeforcesdpgraphsgreedy
- Treelabeling2100Codeforcesbitmasksconstructive algorithmsdfs and similargames
- Treeland Tour2200Codeforcesdata structuresdfs and similardptrees
- Trees and Segments2200Codeforcesbrute forcedata structuresdpgreedy
- Trees and Subtrees2538CodeChef
- Trees of Tranquillity2300Codeforcesdata structuresdfs and similargreedytrees
- Triangle Count (Hard)2502CodeChef
- Triangle Formation2200Codeforcesbrute forcegreedyimplementationmath
- Triangle Query2564CodeChef
- Triangle Tree2300Codeforcesdata structuresdfs and similardpgreedy
- Triangular Queries2415CodeChef
- Tricky Function2200Codeforcesdata structuresdivide and conquergeometry
- Trip to Saint Petersburg2100Codeforcesdata structures
- Trips2200Codeforcesgraphs
- Triskaidekaphobia2100Codeforces*special
- Tug of War2489CodeChef
- Turtle Magic: Royal Turtle Shell Pattern2300Codeforcesbitmasksbrute forcecombinatoricsconstructive algorithms
- Turtle Mission: Robot and the Earthquake2100Codeforcesdfs and similardpgraphsshortest paths
- Turtle and a MEX Problem (Hard Version)2100Codeforcesdfs and similardpgraphsgreedy
- Twin Friends2200Codeforcescombinatoricsdp
- Twin Polynomials2300Codeforcescombinatoricsgraph matchingsmath
- Two Arrays2100Codeforcesbinary searchbrute forcecombinatoricsconstructive algorithms
- Two Bracket Sequences2200Codeforcesdpstringstwo pointers
- Two Closest2515CodeChef
- Two Coins2444CodeChef
- Two Companies2520CodeChef
- Two Counters2425CodeChef
- Two Different2300Codeforcesconstructive algorithmsdivide and conquer
- Two Houses2200Codeforcesbrute forcegraphsgreedyinteractive
- Two Hundred Twenty One (hard version)2200Codeforcesdata structuresmath
- Two IP Cameras2300Codeforces*specialmathnumber theory
- Two Pizzas2100Codeforcesbitmasksbrute force
- Two Types of Spells2200Codeforcesbinary searchdata structuresgreedyimplementation
- Two chandeliers2200Codeforcesbinary searchbrute forcechinese remainder theoremmath
- Two progressions2200Codeforcesconstructive algorithmsgreedy
- Two strings2100Codeforcesbinary searchhashingstringstwo pointers
- Two-lane Road2489CodeChef
- Underground Lab2100Codeforcesconstructive algorithmsdfs and similargraphs
- Uniform2444CodeChef
- Unique Median2200Codeforcesbinary searchbrute forcecombinatoricsdata structures
- Unique Occurrences2300Codeforcesdata structuresdfs and similardivide and conquerdp
- Unsolvable2100Codeforcesmathnumber theory