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- Vasya and String1500Codeforcesbinary searchdpstringstwo pointers
- Vision1931CodeChef
- Vitaly and Strings1600Codeforcesconstructive algorithmsstrings
- Vlad and an Odd Ordering1500Codeforcesbinary searchbitmasksdata structuresdp
- Vladik and fractions1500Codeforcesbrute forceconstructive algorithmsmathnumber theory
- Voting1500Codeforcesgreedyimplementationtwo pointers
- Vova and Trophies1600Codeforcesgreedy
- Vowel Anxiety1823CodeChef
- Vupsen, Pupsen and 01600Codeforcesconstructive algorithmsmath
- Vus the Cossack and Numbers1500Codeforcesconstructive algorithmsgreedymath
- W String1809CodeChef
- Walking Between Houses1600Codeforcesconstructive algorithmsgreedy
- Walking Robot1500Codeforcesgreedy
- Wallpaper1600Codeforcesimplementationmath
- War Strategy1500Codeforcesbinary searchgreedymathtwo pointers
- Watering Flowers1600Codeforcesimplementation
- Watering an Array1600Codeforcesbrute forcegreedyimplementationmath
- Weakened Common Divisor1600Codeforcesbrute forcegreedynumber theory
- Weights Assignment For Tree Edges1500Codeforcesconstructive algorithmstrees
- Weird Game1500Codeforcesgamesgreedy
- Weird Question1882CodeChef
- Welfare State1600Codeforcesbinary searchbrute forcedata structuressortings
- Well-known Numbers1600Codeforcesbinary searchgreedynumber theory
- Where to Build the Roads1935CodeChef
- Where's My Water?1600Codeforcesdata structuresdivide and conquerdpmath
- Which floor?1500Codeforcesbrute forceimplementation
- Whole submatrix1990CodeChef
- Winner1500Codeforceshashingimplementation
- Witua and Math1804CodeChef
- Wizards and Trolleybuses1600Codeforcesimplementationmath
- Woodcutters1500Codeforcesdpgreedy
- Word Stem1864CodeChef
- Working out1600Codeforcesdp
- Workout plan1500Codeforcesdata structuresgreedy
- World of Mouth1500Codeforces*specialstrings
- Worst Case Analysis1901CodeChef
- Worthy Matrix1817CodeChef
- X-Magic Pair1600Codeforcesmathnumber theory
- XD Subsequences1813CodeChef
- XOR And Multiply1941CodeChef
- XOR Product1845CodeChef
- XOR and OR1500Codeforcesconstructive algorithmsimplementationmath
- XOR, Expression and Two Binary Numbers1500Codeforcesbitmasksdivide and conquerdpmath
- Xenia and Spies1500Codeforcesbrute forcegreedyimplementation
- Xometry (Easy Version)1934CodeChef
- Yet Another Array Partitioning Task1500Codeforcesconstructive algorithmsgreedysortings
- Yet Another Counting Problem1600Codeforcesmathnumber theory
- Yet Another Nice Girl1909CodeChef
- Yet Another Walking Robot1500Codeforcesdata structuresimplementation
- Young Table1500Codeforcesimplementationsortings
- Zebras1600Codeforcesgreedy
- Zero Array1500Codeforcesgreedymath
- Zero Quantity Maximization1500Codeforceshashingmathnumber theory
- Zero-Sum Prefixes1600Codeforcesbrute forcedata structuresdpgreedy
- Zhily and Barknights1600Codeforcesbinary searchdata structuresdpmath
- Zmei Gorynich1600Codeforcesgreedymath
- a-Good String1500Codeforcesbitmasksbrute forcedivide and conquerdp
- k-Amazing Numbers1500Codeforcesbinary searchdata structuresimplementationtwo pointers
- k-LCM (hard version)1600Codeforcesconstructive algorithmsmath
- k-Multiple Free Set1500Codeforcesbinary searchgreedysortings