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咁睇似乎佢唔care你個file嘅format? (因為write同read好似都係你寫) 只要巧妙哋寫落個file裡面,到你真係要用返file裡面嘅data,個read method其實係唔需要即時從file load晒入memory嘅:^(
仲要有 coordinates wo:^(coordinates試下用一個int store晒 不無小補:^(
仲要有 coordinates wo:^(