思路: 本题其实很容易看出来,首尾都是1,然后第2个元素就是上一行的第一个元素和第二个元素之和。依次类推。可以得出结论:dp[i][j]dp[i-1][j-1]dp[i-1][j],当然要去掉首尾元素。代码如下: public static List<List&…
C - Merge the balls
Time Limit: 2 sec / Memory Limit: 1024 MB
Score 250 points
Problem Statement
You have an empty sequence and 𝑁N balls. The size of the 𝑖i-th ball (1≤𝑖≤𝑁) is 2^A[i]
You will perform…
1 前言
1.1 Quad SPI Flash QSPI的I/O接口如图1所示,其中: ① CS:片选信号,低电平有效(FLASH被选中); ② CK:时钟信号,由主设备产生; ③ SI/SO: …