srm 534

#include <bits/stdc++.h>
using namespace std;
const int N = 20;
int d[(1 << N) + 10];
class EllysCheckers {
    public:
    string getWinner(string board) {
        int n = board.size();
        int t = 0;
        for (int i = 0; i < n; ++i) {
            if (board[i] == 'o')    t += n - i - 1;
        }
        return t & 1 ? "YES" : "NO";
    }
};

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define F first
#define S second
typedef long long LL;
typedef pair<int, int> pii;
int p[20];
const int N = 505;
LL a[N];
vector<int> b;
map<LL, LL> dp;
map<LL, LL>:: iterator it;
class EllysNumbers {
    public:
        long long getSubsets(long long n, vector <string> special) {
            string s = accumulate(special.begin(), special.end(), string());
            istringstream ss(s);
            int m = 0, x;
            while (ss >> x) a[m++] = x;
            for (int i = 0; i < m; ++i)
                if (__gcd(a[i], n / a[i]) == 1) b.pb(a[i]);
            dp[n] = 1;
            for (int i = 0; i < b.size(); ++i)
                for (it = dp.begin(); it != dp.end(); it++)
                    if (it -> F % b[i] == 0) {
                        dp[it -> F / b[i]] += it -> S;
                    }
            return dp[1];
        }
};