xuanweiace的博客

题干：Problems involving the computation of exact values of very large magnitude and precision are common. For example, the computation of the national debt is a taxing experience for many computer sys...

BigInteger abs()  此方法返回一个BigInteger，其值是此BigInteger的绝对值。 2 BigInteger add(BigInteger val) 此方法返回一个BigInteger，其值是(this + val). 3 BigInteger and(BigInteger val) 此方法返回一个BigInteger，其值是 (t...

题干：This is a small but ancient game. You are supposed to write down the numbers 1, 2, 3, ... , 2n - 1, 2n consecutively in clockwise order on the ground to form a circle, and then, to draw some stra...

题干：Polish mathematician Wacław Sierpiński(1882-1969) described the 2D geometric figure known as the Sierpińskitriangle as part of his work on set theory in 1915. The triangle, which is really an i...

题干：It’s time to fight the local despots and redistribute the land. There is a rectangular piece of land granted from the government, whose length and width are both in binary form. As the mayor, you...

【常规】Ctrl+Shift + Enter，语句完成 “！”，否定完成，输入表达式时按 “！”键 Ctrl+E，最近的文件 Ctrl+Shift+E，最近更改的文件 Shift+Click，可以关闭文件 Ctrl+[OR ]，可以跑到大括号的开头与结尾 Ctrl+F12，可以显示当前文件的结构 Ctrl+F7，可以查询当前元素在当前文件中的引用，然后按 F3 可以选择 Ct...