Ray

59.螺旋矩阵II 可以合并并行的多个循环

2

同样用的左闭右开： ```python class Solution: def generateMatrix(self, n: int) -> List[List[int]]: num = 1 outer_len = side_len = n mat = [[0 for j in range(side_len)] for i in range(side_len)] for...

In the function, [Obstacle::SetMotionStatus()](https://github.com/ApolloAuto/apollo/blob/a20d02289fb85242b519db92908d347bad19034c/modules/prediction/container/obstacles/obstacle.cc#L1509), WHY len and `history_size` used respectively? When calculating `avg_drift_x` and `avg_drift_y`, both of them will be added for `history_size` times but divided by `(len-1)`. WHY not...

报错如下 ```bash $ lldb -p $(pgrep WeChat) (lldb) process attach --pid 8928 error: attach failed: Error 1 ``` 系统信息： MacBook Air (M1,2020) macOS Big Sur version 11.4