CODING PRACTICE

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TODAY · 2026-09-01

Daily Challenge: Binary Search Range

HardSearchingUnsolved

30 practice XP on first successful solution; never duplicated.

Open challenge →

Practice XP: 0 Easy +10 · Medium +20 · Hard +30

Total problems

10

Solved

0

Unsolved

10

Completion

0%

Current practice progress

0 of 10 solved

PERSONAL

Practice statistics

Solved by difficulty

Easy 0 solved

Medium 0 solved

Hard 0 solved

Submissions

0 successful / 0 total

0% success rate

Most practiced: No submissions yet

SKILLS

Topic progress

Progress is based on solved problems

Algorithms

0 / 0 solved

0% · Easy 0 · Medium 0 · Hard 0

Arrays

0 / 3 solved

0% · Easy 1 · Medium 1 · Hard 1

Data Structures

0 / 0 solved

0% · Easy 0 · Medium 0 · Hard 0

Functions

0 / 1 solved

0% · Easy 1 · Medium 0 · Hard 0

Loops

0 / 1 solved

0% · Easy 1 · Medium 0 · Hard 0

Math

0 / 0 solved

0% · Easy 0 · Medium 0 · Hard 0

Recursion

0 / 0 solved

0% · Easy 0 · Medium 0 · Hard 0

Searching

0 / 2 solved

0% · Easy 1 · Medium 0 · Hard 1

Sorting

0 / 1 solved

0% · Easy 0 · Medium 1 · Hard 0

Strings

0 / 2 solved

0% · Easy 1 · Medium 1 · Hard 0

RECENT

Submission history

Session only

No submissions yet.

Run public tests or submit a solution to see your recent history.

FOR YOU

Recommendations

Count Vowels

Count vowels in a string, ignoring letter case.

Find the Maximum

Find the largest number in a non-empty list.

Linear Search

Return the index of a target value, or -1 when absent.

2026-W36

Weekly Challenge: Linear Search

EasySearchingUnsolved

10 existing practice XP on the first solved submission.

Open challenge →

MILESTONES

Goals & milestones

○ First solveSolve 1 problem

○ Practice regularSolve 5 problems

○ XP builderEarn 100 practice XP

○ Hard solverSolve a Hard problem

○ Topic completeComplete one topic

○ Weekly challengerSolve this week's challenge

ANALYTICS

XP & progress analytics

Practice XP

0

0 solved problems in this session.

Difficulty distribution

Easy: 0

Medium: 0

Hard: 0

GitHub activity XP and streaks remain on the main dashboard.

EXPLORE

Problems

10 matching

Sum an Array

Return the total of all numbers in a list.

Unsolved · Python →

Reverse a String

Return a string with its characters in reverse order.

Unsolved · Python →

Count Vowels

Count vowels in a string, ignoring letter case.

Unsolved · Python →

Find the Maximum

Find the largest number in a non-empty list.

Unsolved · Python →

Linear Search

Return the index of a target value, or -1 when absent.

Unsolved · Python →

Two Sum

Find indices of two numbers that add to a target.

Unsolved · Python →

Palindrome Check

Check whether text reads the same forward and backward.

Unsolved · Python →

Merge Sort

Sort a list using the merge-sort algorithm.

Unsolved · Python →

First Duplicate

Find the first value that appears twice while scanning a list.

Unsolved · Python →

Binary Search Range

Find the first and last positions of a target in a sorted list.

Unsolved · Python →