Problems

You are given a tree of n vertices. Each vertex contains an integer. Vertex 1 is the root of the tre...

• By emrul_mu
• DFS, DataStructure, FenwickTree, MergeSortTree
• Moderate
• 70/77 Solutions
• 250 Submissions

Naruto Uzumaki is one of the strongest ninja of RUET (Rasengan University of Ebisu and Tobi), posses...

• By rohijulislam
• DataStructure, MOSAlgorithm, MergeSortTree, SegmentTree
• Hard
• 25/41 Solutions
• 186 Submissions

Dengue, the talk of the town of Dhaka this year. So many people suffered from dengue fever and a num...

• By emrul_mu
• DataStructure, MergeSortTree
• Hard
• 26/48 Solutions
• 144 Submissions

Have you ever heard of The Burgerland City? The city is full of burger shops. You will surely find s...

• By emrul_mu
• BinarySearch, DataStructure, MergeSortTree, Sorting
• Hard
• 61/109 Solutions
• 440 Submissions

Let's get into the problem directly without much description this time :D . You are given an array A...

• By RamprosadG
• BinarySearch, DataStructure, FenwickTree, MergeSortTree, PersistentSegmentTree
• Hard
• 29/75 Solutions
• 263 Submissions