Final Value of Variable After Performing Operations.cpp

#include <bits/stdc++.h>



using namespace std;


class Solution {
public:
    int finalValueAfterOperations(vector<string>& operations)
    {
        int res = 0;
        for(auto& one_str: operations)
        {
            if(one_str[1] == '+')
            {
                res++;
            }else{
                res--;
            }
        }
        return res;
    }
};