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- Long Way to be Non-decreasing2800Codeforcesbinary searchdfs and similargraphsimplementation
- Long number3400Codeforcesexpression parsingmathnumber theory
- Longest Good Subsequence3400Codeforcesdpmathtrees
- Longest Increasing Path (Easy Version)3300Codeforcesconstructive algorithmsmath
- Longest Increasing Path (Hard Version)3500Codeforcesconstructive algorithmsmath
- Longest Increasing Subsequence3000Codeforcesdata structuresdp
- Longest MEX Sequence3476CodeChef
- Lookup Tables3000Codeforcesbitmasks
- Lost Array2900Codeforcesbitmaskscombinatoricsconstructive algorithmsdp
- Lost Luggage3500Codeforcesdpflows
- Lost Nodes3500Codeforcesconstructive algorithmsdpgraphsinteractive
- Low Budget Inception3100Codeforcesbrute forcegeometry
- Low Budget Sanitization3491CodeChef
- Lucky Ali3084CodeChef
- Lucky Edge2928CodeChef
- Lucky Numbers (Easy Version)2900Codeforcesdpgreedy
- Lucky Numbers (Hard Version)3000Codeforcesdpgreedy
- Lucky Pair2900Codeforcescombinatoricsdata structuresimplementation
- Lulymp2996CodeChef
- LuoTianyi and Cartridge3500Codeforcesdata structurestrees
- LuoTianyi and the Function3000Codeforcesdata structures
- Lust3000Codeforcescombinatoricsmathmatrices
- Luxury Inflation3154CodeChef
- M-tree2800Codeforcesdata structuresmathsortingstrees
- MAX-SEG3080CodeChef
- MCF2800Codeforcesflows
- MEX Game 2 (Easy Version)2900Codeforcesbinary searchbrute forcegreedy
- MEX Game 2 (Hard Version)3300Codeforcesbinary searchgreedytwo pointers
- MEX Permutation Difference2945CodeChef
- MEX Tree Manipulation3300Codeforcesdata structurestrees
- MEX and XOR 23245CodeChef
- MEX counting3200Codeforcescombinatoricsdpimplementation
- MEX-ception3014CodeChef
- MEXanization3300Codeforcesdata structures
- MST with Matching3100Codeforcesbitmasksbrute forcedsugraph matchings
- Madhouse (Hard version)2800Codeforcesbrute forceconstructive algorithmshashinginteractive
- Madoka and Ladder Decomposition3050CodeChef
- Madoka and Laziness3100Codeforcesdpgreedy
- Mages and Monsters3100Codeforcesdata structuresgeometry
- Magic Breeding2900Codeforcesbitmasks
- Magic Permutations3097CodeChef
- Magic Square3100Codeforcescombinatoricsconstructive algorithmsimplementation
- Magic Trick II3200Codeforcesconstructive algorithmsimplementationsortings
- Magical Coins2937CodeChef
- Magical Menu2904CodeChef
- Magical Subsequence3072CodeChef
- Magician In War3628CodeChef
- Mahmoud and Ehab and the final stage2900Codeforcesdata structuresstrings
- Mainak and the Bleeding Polygon3500Codeforcesbinary searchgeometryimplementationmath
- Major Infection2957CodeChef
- Make Equal3100Codeforcesdp
- Make Grid Comparable3422CodeChef
- Make It3159CodeChef
- Make It Ascending3000Codeforcesbitmasksbrute forcedp
- Make It Zero 23658CodeChef
- Make It Zero 33298CodeChef
- Make Same3198CodeChef
- Make Square2900Codeforcesmath
- Make Symmetrical2900Codeforcesbrute force
- Make Triangle2800Codeforcesconstructive algorithmsmath