2011-Final-Value-of-Variable-After-Performing-Operations.cpp

class Solution {
public:
    int finalValueAfterOperations(vector<string>& operations) {
        int X=0;
        for(auto op: operations)
        {
            if(op == "++X" || op == "X++") X++;
            else X--;
        }
        return X;
    }
};