Tag: number theory

In Delphi, you can use the keyword absolute to force the union variable. e.g. Two variables share the same memory location, which is good to do some tricky things, for example, …

It looks like it has been a while since last time I submitted code to codeforces. I almost forgot the fun of solving problems. Again, I choose solving easy …

Mathematical function log10can be quite time consuming. If it is not available, for some languages such as VBScript, you have to compute it base on the fact. and therefore, we …

The math constant e can be computed using the following series (also see this, this and this post): i.e. If we combine every two iterations, we will get something like, If …

In , the base 62 number conversion to base 10 is implemented. To extend the conversion to arbitrary bases, we can use base 10 as the intermediate base, i.e. …