What does the sign "!" in mathematics?

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mamadaliev2017-11-10 21:01:59

Mathematics

mamadaliev, 2017-11-10 21:01:59

Good day. What does the sign "!" in this example in C++?

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xdgadd, 2017-11-10
@mamadaliev

It's not C++, it's mathematical notation. In this case, `!` means factorial .
And in C++ `!` is the logical negation operator .

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devalone, 2017-11-10
@devalone

Alas, your example won't compile with any C++ compiler :(