Figure 3.
A duplicate operation. A duplicate operation, denoted δx(s, t, p). A substring xsxs+1 . . xt of the source string x is copied and inserted into the target string z at index p.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.