Count of Matches in Tournament.cpp

class Solution {
public:
    int numberOfMatches(int n) {
        int ans=0;
        while(n>1){
            ans+=(n/2);
            if(n%2==0){
                n=n/2;
            }
            else{
                n=(n/2) + 1;
            }
           // cout<<n<<endl;
        }
        return ans;
    }
};