Precedence Operator Description Associativity
1 :: Scope resolution Left-to-right
2 a++   a-- Suffix/postfix increment and decrement
type()   type{} Functional cast
a() Function call
a[] Subscript
.   -> Member access
3 ++a   --a Prefix increment and decrement Right-to-left
+a   -a Unary plus and minus
!   ~ Logical NOT and bitwise NOT
(type) C-style cast
*a Indirection (dereference)
&a Address-of
sizeof Size-of[note 1]
co_await await-expression (C++20)
new   new[] Dynamic memory allocation
delete   delete[] Dynamic memory deallocation
4 .*   ->* Pointer-to-member Left-to-right
5 a*b   a/b   a%b Multiplication, division, and remainder
6 a+b   a-b Addition and subtraction
7 <<   >> Bitwise left shift and right shift
8 <=> Three-way comparison operator (since C++20)
9 <   <= For relational operators < and ≤ respectively
>   >= For relational operators > and ≥ respectively
10 ==   != For relational operators = and ≠ respectively
11 & Bitwise AND
12 ^ Bitwise XOR (exclusive or)
13 | Bitwise OR (inclusive or)
14 && Logical AND
15 || Logical OR
16 a?b:c Ternary conditional[note 2] Right-to-left
throw throw operator
co_yield yield-expression (C++20)
= Direct assignment (provided by default for C++ classes)
+=   -= Compound assignment by sum and difference
*=   /=   %= Compound assignment by product, quotient, and remainder
<<=   >>= Compound assignment by bitwise left shift and right shift
&=   ^=   |= Compound assignment by bitwise AND, XOR, and OR
17 , Comma Left-to-right