#include<stdcpp.h> using namespace std; class Solution{ public: int numberOfMatches(int n){ int sum = 0; while(n!=1){ sum+=n/2; if(n%2) n+=1; n/=2; } return sum; } }; int main(){ Solution sol; int n; n = 7; cout<<sol.numberOfMatches(n)<<endl; n = 14; cout<<sol.numberOfMatches(n)<<endl; return 0; }