Leetcode Everyday: 1688. Count of Matches in Tournament. Easy

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public class Solution {     public int NumberOfMatches(int teams) {                  int matchesSum = 0;         while (teams > 1) {             int matches = teams / 2;             matchesSum += matches;                                    teams -= matches;           }                   return matchesSum;     } }

Source: https://leetcode.com/problems/count-of-matches-in-tournament/