k<2*i-1求大神解答
在k<2*i-1中，竟然k是代表有多少個*，那不是應該是k=2*i-1嗎？
qq_追著太陽跑_mpzEIW
2019-07-11
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2019-07-12
Because in this case k starts with 0, which means if the k value satisfies k<2*i-1, the command below will excute.? You may need to know that k itself has no relation to the number of *, however, it is the number of k that satisfying the formula matters.