任何进制数的通用表达式:
\sum_i {a_i * b^i}, i=0,1,2…, a_i \in {0,1,2,…b-1}, b is the base
b=2 for binary, b=10 for decimal.
a_i 的值域里能不能缺“0”?
任何进制数的通用表达式:
\sum_i {a_i * b^i}, i=0,1,2…, a_i \in {0,1,2,…b-1}, b is the base
b=2 for binary, b=10 for decimal.
a_i 的值域里能不能缺“0”?