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- Swapping2012CodeChef
- Swapping mismatches2135CodeChef
- Swapping to Palindrome2147CodeChef
- Swaps in Permutation1700Codeforcesdfs and similardsumath
- Swaps in a String2040CodeChef
- Sweepstake1800Codeforces*specialbrute forceconstructive algorithmsimplementation
- Symmetric Swaps2041CodeChef
- System Administrator1700Codeforcesgraphs
- T-Perm2071CodeChef
- T-shirts Distribution1800Codeforcesconstructive algorithmsflowsgreedy
- Table Decorations1800Codeforcesgreedy
- Table Game2072CodeChef
- Tablecity1700Codeforcesconstructive algorithmsimplementation
- Take a Guess1800Codeforcesbitmasksconstructive algorithmsinteractivemath
- Tandem Repeats?1700Codeforcesbrute forcestringstwo pointers
- Task On The Board1800Codeforcesconstructive algorithmsgreedyimplementationsortings
- Tennis Tournament2127CodeChef
- Terse princess1700Codeforcesconstructive algorithmsgreedy
- Tetris2062CodeChef
- The 67th Iteration of "Counting is Fun"1800Codeforcesimplementationmath
- The Baking Business2028CodeChef
- The Beatles1700Codeforcesbrute forcemath
- The Beaver's Problem - 31800Codeforces
- The Beaver's Problem - 31800Codeforces
- The Big Race1800Codeforcesmath
- The Biggest Restaurant2184CodeChef
- The Endspeaker (Easy Version)1700Codeforcesbinary searchdpgraphsgreedy
- The Evil Professor2112CodeChef
- The Fair Nut and the Best Path1800Codeforcesdata structuresdptrees
- The Fear Calculator2146CodeChef
- The Feast and the Bus1800Codeforcesbrute forceconstructive algorithmsgreedymath
- The Golden Age1800Codeforcesbrute forcemath
- The Great Game1700Codeforces*special
- The Guessing Game2120CodeChef
- The Intriguing Obsession1800Codeforcescombinatoricsdpmath
- The Lucky Draw2096CodeChef
- The Magical Stone2171CodeChef
- The Meaningless Game1700Codeforcesmathnumber theory
- The Mine Field2180CodeChef
- The Monster1800Codeforcesdpgreedyimplementationmath
- The Number Of Good Substrings1700Codeforcesbinary searchbitmasksbrute force
- The Number of Imposters1700Codeforcesconstructive algorithmsdfs and similardpdsu
- The Parade1800Codeforcesbinary searchgreedy
- The Race1800Codeforcesmath
- The Rise and Fall of Power2078CodeChef
- The Rumbling2009CodeChef
- The Smallest String Concatenation1700Codeforcessortingsstrings
- The Sports Festival1800Codeforcesdpgreedy
- The Tag Game1700Codeforcesdfs and similargraphs
- The Third Letter1700Codeforcesdfs and similardsugraphsgreedy
- The Third Problem1700Codeforcescombinatoricsconstructive algorithmsmath
- The Tower is Going Home1700Codeforcesbinary searchtwo pointers
- The Treasure of The Segments1800Codeforcesbinary searchdata structuresgreedy
- The Union of k-Segments1800Codeforcesgreedysortings
- The Wall (medium)1800Codeforcescombinatorics
- The battlefield2175CodeChef
- Thematic Contests1800Codeforcesgreedysortings
- Three Base Stations1800Codeforcesbinary searchgreedy
- Three Blocks Palindrome (easy version)1700Codeforcesbinary searchbrute forcedata structuresdp
- Three Blocks Palindrome (hard version)1800Codeforcesbrute forcedata structuresdptwo pointers