Скачать или смотреть Expression Add Operator | Hindi | GFG POTD | C++ | Java | String | Code Kar Lo

Given a string S that contains only digits (0-9) and an integer target, return all possible strings to insert the binary operator ' + ', ' - ', or ' * ' between the digits of S so that the resultant expression evaluates to the target value.
Note:
1. Operands in the returned expressions should not contain leading zeros. For example, 2 + 03 is not allowed whereas 20 + 3 is fine. It is allowed to not insert any of the operators.
2. If no solution is found, return an empty string array.

0:00 Introduction
0:20 Problem Statement
2:07 White Board Explanation
6:51 Code + Explanation
26:58 Complexity Analysis
27:55 Java Code

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