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不是吧...最左边的那个位置定了，其他的位置也都定了啊!

Posted by Sempr at 2007-01-27 20:30:28 on Problem 3185
In Reply To:不想解方程了,直接搜索,呵呵 Posted by:GODBLESSYOU at 2007-01-25 22:35:33 
不用搜索的

直接是O(1)的复杂度...
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