Nothing, but the % symbol denotes the remainder operation, eg: 7%4==3. Plus it is used in format-sequences of printf, scanf, strftime, strptime...
it's a structured programming language because it requires a lot of precision, organization and calculations
c is called a structured programming language cos its easy to understand
Structured programming (sometimes known as modular programming) is a subset of procedural programming that enforces a logical structure on the program being written to make it more efficient and...
C is procedural based programming while C++ is extension of C and it follows object oriented technique