C# Solution for Time Needed to Buy Tickets Problem
Intuition\n Describe your first thoughts on how to solve this problem. \nThe intuition behind the approach is to simulate the process of buying tickets, conside
# Intuition\n<!-- Describe your first thoughts on how to solve this problem. -->\nThe intuition behind the approach is to simulate the process of buying tickets, considering that the person at position k can buy only one ticket at a time before going to the back of the line.\n\n# Approach\n<!-- Describe your approach to solving the problem. -->\nThe approach iterates through the tickets array:\n\n\u2022\tFor indices less than or equal to k, it adds the minimum of the number of tickets the person at position k wants and the number of tickets the current person wants to buy.\n\u2022\tFor indices greater than k, it adds the minimum of one less than the number of tickets the person at position k wants (to account for the fact that they buy tickets one by one) and the number of tickets the current person wants to buy.\n\n# Complexity\n- Time complexity:\n<!-- Add your time complexity here, e.g. $$O(n)$$ -->\nO(n), where n is the length of the tickets array. We iterate through the array once.\n\n- Space complexity:\n<!-- Add your space complexity here, e.g. $$O(n)$$ -->\nO(1). The space used is constant, as we only use a few extra variables regardless of the size of the input.\n\n# Code\n```\npublic class Solution {\n    public int TimeRequiredToBuy(int[] tickets, int k) {\n        int n = tickets.Length;\n        int time = 0;\n\n        for (int i = 0; i < n; i++) {\n            if (i <= k) {\n                time += Math.Min(tickets[k], tickets[i]);\n            } else {\n                time += Math.Min(tickets[k] - 1, tickets[i]);\n            }\n        }\n\n        return time;\n    }\n}\n```
['C#']