https://leetcode.com/problems/pass-the-pillow/description/

Loop position in increasing-decreasing array #easy #math #simulation

https://leetcode.com/problems/water-bottles/description/

Bottles drink and exchange simulation #easy #math #simulation

https://leetcode.com/problems/find-the-winner-of-the-circular-game/description/

Last of k-th excluded from 1..n #medium #simulation #math

https://leetcode.com/problems/average-waiting-time/description/

Average of intersecting intervals #medium #simulation

https://leetcode.com/problems/spiral-matrix-iii/description/

2D spiraling order #medium #matrix #simulation

https://leetcode.com/problems/lemonade-change/description/

Simulate money exchange #easy #simulation

https://leetcode.com/problems/sum-of-digits-of-string-after-convert/description/

Sum of number chars k times #easy #simulation

https://leetcode.com/problems/walking-robot-simulation/description/

Max distance after robot moves simulation #medium #simulation

https://leetcode.com/problems/spiral-matrix-iv/description/


LinkedList to spiral 2D matrix #medium #linked_list #simulation

# 12.07.2025
[1900. The Earliest and Latest Rounds Where Players Compete](https://leetcode.com/problems/the-earliest-and-latest-rounds-where-players-compete/description) hard


First and last round Alice fight Bob #hard #simulation