C++ Operator Precedence - cppreference.com

↑ The operand of sizeof cannot be a C-style type cast: the expression sizeof (int) * p is unambiguously interpreted as (sizeof(int)) * p, but not sizeof((int)*p). ↑ The expression in the middle of the conditional operator (between ? and :) is parsed as if parenthesized: its precedence relative to ?: is ignored. When parsing an expression, an operator which is listed on some row of the table above