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Numberics

◆Pascal高精度整数库

样例

Uses Numberics;
var
 a:BigInteger;
 b:ansistring;
begin
 readln(b); a:=b;
 readln(b);
 PrintfLn(a+b);
 PrintfLn(a-b);
 PrintfLn(a*b);
 Printf(a div b)
end.

上述样例可以读入2行大数a,b 分别输出4行a+b,a-b,a*b,a div b.

2017/02/14 Ver 1.0.0
●大数和许多类型可以直接隐式转换或者用BigInteger()强制转换
■大数并无压位,常数大
■大数间不能直接赋值
■大数除法的时间复杂度是O(n^2),大数乘法的时间复杂度是O(nlogn),大数加法的时间复杂度是O(n)

2017/02/20
●做bzoj2227时发现预处理的Bug,已修复

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