RU-ALLRUSSIAN 1990 Problem 18
Given 1990 piles of stones, containing 1, 2, 3, ..., 1990 stones. A move is to take an equal number of stones from one or more piles. How many moves are needed to take all the stones?
Dataset text NuminaMath olympiads. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.