2011. Final Value of Variable After Performing Operations (C++).cpp

class Solution {
public:
    int finalValueAfterOperations(vector<string>& operations) {

        int length = operations.size(); // This variable will store length of operations array

        int x = 0; // Initializing x with 0

        // Loop to compare operations
        for (int i = 0; i < length; i++){
            if (operations[i] == "--X") x -= 1;
            else if (operations[i] == "X--") x -= 1;
            else if (operations[i] == "++X") x += 1;
            else if (operations[i] == "X++") x += 1;
        };
        
    return x;
    }      
};