2011. Final Value of Variable After Performing Operations

LeetCodeArrayStringSimulationOpen on judge ↗

There is a programming language with only four operations and one variable X: - ++X and X++ increments the value of the variable X by 1. - --X and X-- decrements the value of the variable X by 1. Initially, the value of X is 0. Given an array of strings operations containing a list of operations, return the final value of X after performing all the operations. Example 1: Input: operations

HINT LADDERno hints yet

L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

🔒

L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI