for 迴圈的需注意的小觀念

for (i =0;  A; B) {…}

A: 每次都需要判斷是否符合, 連 i=0時都會判斷

B: 不見得都 i++  , 也可以 i = i+3 或寫成 i +=3

One thought on “for 迴圈的需注意的小觀念

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