Concepts2
⚙️AlgorithmIntermediate
Sweepline Technique
The sweep line technique processes geometric or time-based events in sorted order and maintains an active set that reflects the current state at the sweep position.
#sweep line#plane sweep#active set+12
⚙️AlgorithmAdvanced
Digit DP - Advanced States
Digit DP counts integers in a range by scanning digits from most significant to least while maintaining compact state information.
#digit dp#tight flag#leading zeros+12