Basecamp

Problems

Problems

Topics

Difficulty

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Inside the interval

Outside the interval

Triangle Counting

Four-digit palindrom

Five-digit in order

Three identical digits

Two identical digits

Divisibility by digits

Square of maximum

At least two equal digits

Delete one digit

Two digits in a row

Sum of neighbors

All digits are even

At least one odd

Maximum digit in a number

Number of maximal digits

Number of odd digits

Sort from 0 to n - 1

Sort the points

Append three to positive integer

Numbers with odd digits

Three digit Armstrong numbers

Four-digit Armstrong numbers

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