Problems

Topics
Cycle shifts#27

Easy · Number theory · Bitmasks · Bitwise Operations

Unhappy Bus#247

Very easy · Bitmasks · Implementation

Code Permutations#551

Hard · Number theory · Combinatorics · Dynamic programming · Bitmasks · Prime factorization · Math

AntiGray#725

Very easy · Strings · Bitmasks

Informants#782

Medium · Bitmasks · Brute force

John#789

Very easy · Games · Bitmasks

Hyper-drive#1184

Hard · Math · Number theory · Bitmasks · Combinatorics · Implementation

I Speak Whales#1338

Hard · Bitmasks · Implementation

The number of Mersenne numbers#1354

Very easy · Bitmasks · Implementation

Bitwise Equations#1550

Very easy · Bitmasks

Binary number#1645

Easy · Bitmasks · Bitwise Operations

Reset bits#1647

Easy · Bitmasks · Implementation

Fenwick Function#1648

Easy · Bitmasks · Bitwise Operations

Decoding Task#1650

Very easy · Implementation · Bitmasks

Lowest Bit#1753

Easy · Math · Bitmasks · For Beginners · Bitwise Operations

Gray Codes#1780

Very easy · Math · Bitmasks

U-turn bits#1845

Very easy · Bitmasks · Prefix Sums

Bit Rotation 2#1850

Very easy · Prefix Sums · Bitmasks

A very friendly group#1902

Easy · Combinatorics · Bitmasks · Dynamic programming

Plus and xor#2006

Easy · Bitmasks

Hacker's Crackdown#2629

Hard · Bitmasks · Dynamic programming

Stones#2787

Easy · Dynamic programming · Bitmasks

Bitset#2802

Very easy · Bitmasks

Cubes - 3#2807

Very easy · Bitmasks

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