AI Translated from Chinese Problem: Luogu UVa439 Problem Statement Input an m*n matrix representing a map, where 1 represents obstacles and 0 represents free space. The robot needs to move from (1,1) to (m,n) on the m*n map. Each move can go one cell in one of the four directions (up, down, left, right), and can consecutively cross at most k obstacles. Data satisfies 1 <= m, n <= 20, 0 <= k <= 20. ...
Reducing unnecessary enumeration
Everything looks like a binary tree lately (
Simple yet not so simple
Collision of Python and mathematics
AI Translated from Chinese Introduction In India, there is an ancient legend. In the temple of Benares, at the center of the world, a brass plate holds three diamond needles. When the Hindu god Brahma was creating the world, he threaded 64 gold discs from large to small onto one of the needles from bottom to top. This is the so-called Tower of Hanoi. Day and night, a monk constantly moves these gold discs to another needle according to the following rules: Only one disc can be moved at a time, and a smaller disc must always be on top of a larger one. When all the gold discs have been moved from the needle where Brahma threaded them to the third needle, the world will be destroyed in a thunderclap, and the tower, temple, and all living beings will perish together… ...