Leetcode 1806 Solution

This article provides solution to leetcode question 1806 (count-of-matches-in-tournament)
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https://leetcode.com/problems/count-of-matches-in-tournament

Solution

class Solution {
public:
    int numberOfMatches(int n) {
        int s = 0;



        while (n > 1)
        {
            if (n % 2)
            {
                s += (n - 1) / 2;
                n = (n - 1) / 2 + 1;
            }
            else
            {
                s += n / 2;
                n = n / 2;
            }
        }



        return s;
    }
};