摘要:
描述 There are N beads which of the same shape and size, but with different weights. N is an odd number and the beads are labeled as 1, 2, ..., N. Your 阅读全文
摘要:
描述 Given a m-by-n (0,1)-matrix, of all its submatrices of all 1’s which is the largest? By largest we mean that the submatrix has the most elements. 输 阅读全文
摘要:
For the health’s sake, Mr. Doraemonok drinks one and only one package of pure milk every day. However, Mr. Doraemonok will never drink sour milk which 阅读全文