摘要：
Problem Figure 4. A figure illustrating the propagation of Fibonacci's rabbits if they die after three months. Figure 4. A figure illustrating the pro 阅读全文
摘要：
Problem A matrix is a rectangular table of values divided into rows and columns. An m×nm×n matrix has mm rows and nn columns. Given a matrix AA, we wr 阅读全文
摘要：
Problem Given two strings ss and tt, tt is a substring of ss if tt is contained as a contiguous collection of symbols in ss (as a result, tt must be n 阅读全文
摘要：
Problem The 20 commonly occurring amino acids are abbreviated by using 20 letters from the English alphabet (all letters except for B, J, O, U, X, and 阅读全文