#backtracking

Resolve package versions from dependency constraints
CodingHardOpenAI
▲ 00 solutions
Design a distributed crossword solver
System designHardOpenAI
▲ 00 solutions
Choose words with no shared letters to cover the most letters
CodingMediumMeta
▲ 00 solutions
Count legal tic-tac-toe game sequences
CodingDecagon
▲ 00 solutions
Fill a weekly work schedule to an exact hour total
CodingMediumSnowflake
▲ 01 solution
URL router with single-segment wildcards
CodingHardGoogleTesla
▲ 01 solution
Three-color map coloring
CodingMediumSnowflake
▲ 01 solution
Every cheapest way to order from a combo menu
CodingHardAirbnb
▲ 01 solution
Fit the most tasks into an hour across machine slots
CodingMediumAmazon
▲ 01 solution
Multi-tap keypad: every string a press sequence can spell
CodingMediumMicrosoftMeta
▲ 01 solution
Spell a word with letter blocks, one block per letter
CodingMediumAmazon
▲ 01 solution