1480. Running Sum of 1d Array.cpp

class Solution {
public:
    vector<int> runningSum(vector<int>& nums) {
        vector<int>ans;
        int sum = 0;

        for(int i=0; i<nums.size(); i++){
            sum+= nums[i];
            ans.push_back(sum);
        }

        return ans;
    }
};