Expression Add Operators — Left-to-Right Variant (LC 282)

Requirements You receive a digit sequence num along with an integer target. Generate every expression created by placing +, -, or * between neighboring groups of digits whose result equals target. In this version, evaluate operators strictly from left to right rather than using normal multiplication precedence. For example, 2+32 means (2+3)2 = 10, rather than 2+(3*2) = 8. Because multiplication has no special precedence here, you do not need the usual last-operand tracking…