Bitmask Problems

A super shop sells only 26 items, labeled them from ‘A’ to ‘Z’. ...

• Bitmask
• Moderate
• 14/20

You are given N integers. Each integer is square free (i.e. it h...

• By nfssdq
• Bitmask, DP
• Moderate
• 11/20
• uDebug

The protagonists of this problem are two great programmers of a ...

• By jackal_1586
• Bitmask, DP
• Easy
• 24/35
• uDebug

“There was a break-in of Gringotts Wizarding Bank on 1 May, 1998...

• By Sherlock221b
• Bitmask, Combinatorics, Counting, DP
• Moderate
• 7/15
• uDebug

Alice came up with a new game. In this game called “Candy Quest”...

• By Labib666
• Bitmask, DP
• Easy
• 8/19
• uDebug

In mathematics, especially in set theory, set A is a subset of s...

• By khatribiru, Bhadra, Bishal_G, mihassan
• Bitmask
• Moderate
• 16/18
• uDebug