fn main() - int {
The fundamental issue: blur encodes "how much land is nearby," not "how far is the nearest coast edge." These are different questions, and no amount of post-processing the blur can extract true distance.
，这一点在新收录的资料中也有详细论述
历史不会简单重复，但它总会押韵。真正的风险管理，从认清对手盘开始。
for each candidate in list of candidates
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