#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("Ofast") #include #include using namespace std; #if __has_include() #include using namespace atcoder; #endif using ll = long long; using ld = long double; using ull = long long; #define endl "\n" #define REP3(i, m, n) for (int i = (m); (i) < int(n); ++ (i)) #define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define ALL(x) begin(x), end(x) #define all(s) (s).begin(),(s).end() //#define rep2(i, m, n) for (int i = (m); i < (n); ++i) //#define rep(i, n) rep2(i, 0, n) #define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i) #define drep(i, n) drep2(i, n, 0) #define rever(vec) reverse(vec.begin(), vec.end()) #define sor(vec) sort(vec.begin(), vec.end()) #define fi first #define se second #define pb push_back #define P pair const ll mod = 998244353; //const ll mod = 1000000007; const ll inf = 4500000000000000000ll; static const long double pi = 3.141592653589793; templatevoid vcin(vector &n){for(int i=0;i>n[i];} templatevoid vcin(vector &n,vector &m){for(int i=0;i>n[i]>>m[i];} templatevoid vcout(vector &n){for(int i=0;ivoid vcin(vector> &n){for(int i=0;i>n[i][j];}}} templatevoid vcout(vector> &n){for(int i=0;iauto min(const T& a){ return *min_element(all(a)); } templateauto max(const T& a){ return *max_element(all(a)); } templatevoid print(pair a){cout<bool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b void ifmin(T t,T u){if(t>u){cout<<-1< void ifmax(T t,T u){if(t>u){cout<<-1<auto make_vector(T x,int arg,Args ...args){if constexpr(sizeof...(args)==0)return vector(arg,x);else return vector(arg,make_vector(x,args...));} ll modPow(ll a, ll n, ll mod) { ll ret = 1; ll p = a % mod; while (n) { if (n & 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; } vector divisor(ll x){ vector ans; for(ll i = 1; i * i <= x; i++){ if(x % i == 0) {ans.push_back(i); if(i*i!=x){ ans.push_back(x / ans[i]);}}}sor(ans); return ans; } template struct Sum{ vector data; Sum(const vector& v):data(v.size()+1){ for(ll i=0;i struct Sum2{ vector> data; Sum2(const vector> &v):data(v.size()+1,vector(v[0].size()+1)){ for(int i=0;i> multi(vector> &a,vector> &b){ vector> c(a.size(),vector(b[0].size())); for(int i=0;i> mul_exp(vector> adj, ll k){ if (k == 1) return adj; vector> res(int(adj.size()),vector(int(adj[0].size()))); for(int i=0;i0){ if(k&1) res=multi(adj,res); adj=multi(adj,adj); k/=2; } return res; } int main() { cincout(); ll ma,na,s; cin>>ma>>na>>s; ll mb,nb,t; cin>>mb>>nb>>t; ll k; cin>>k; ll win1,win2; win1=s+t-1; win2=s+t; vector> dp(s+t+1,vector(s+t+1)); vector> dp2(s+t+1,vector(s+t+1)); for(int i=0;i=0;j--){ dp2[i][j]=1;//((mint(ma)/mint(na)).pow(i-j))*(mint(na-ma)/mint(na)); } assert(mint(na).val()!=0); dp2[i][win1]=(mint(ma)/mint(na)); } dp2[win2][win2]=1; dp2[win1][win1]=1; dp[win1][win1]=1; dp[win2][win2]=1; /*for(int i=0;i