#include #include #include #include #include #include #include #include #include using namespace std; using ll = long long; const ll mod = 998'244'353; //const ll mod = 1'000'000'007; //const ll mod = 67'280'421'310'721; struct mint{ long long x; mint(long long x=0):x((x%mod+mod)%mod){} mint operator-() const{ return mint(-x); } mint& operator+=(const mint& a){ if((x+=a.x)>=mod)x-=mod; return *this; } mint& operator-=(const mint& a){ if((x+=mod-a.x)>=mod)x-=mod; return *this; } mint& operator*=(const mint& a){ (x *= a.x) %= mod; return *this; } mint operator+(const mint& a) const{ mint res(*this); return res+=a; } mint operator-(const mint& a) const{ mint res(*this); return res-=a; } mint operator*(const mint& a) const{ mint res(*this); return res*=a; } mint pow(long long n) const { assert(0 <= n); mint a = *this, r = 1; while (n) { if (n & 1) r *= a; a *= a; n >>= 1; } return r; } mint inv() const{ return pow(mod-2); } mint& operator/=(const mint& a){ return (*this)*=a.inv(); } mint operator/(const mint& a) const { mint res(*this); return res/=a; } friend ostream& operator<<(ostream& os, const mint& m){ os << m.x; return os; } bool operator==(const mint& a) const { return x == a.x; } bool operator<(const mint& a) const{ return x < a.x; } }; template< typename T > struct BIT2D{ int H,W; vector> data; BIT2D(int h,int w):H(h),W(w),data(h+1,vector(w+1,0)){} void add(int h,int w,T x){ h++;w++; for(int i = h;i<=H;i+=i&(-i)){ for(int j = w;j<=W;j+=j&(-j)){ data[i][j] += x; } } } //sum of [l,r) T sum(int h1,int w1,int h2,int w2){ return sum(h2,w2)-sum(h2,w1)-sum(h1,w2)+sum(h1,w1); } T sum(int h,int w){ T now = 0; for(int i = h;i>0;i-=i&(-i)){ for(int j = w;j>0;j-=j&(-j)){ now += data[i][j]; } } return now; } }; template< typename T > struct BIT{ int n; vector data; BIT(int n):n(n),data(n+1,0){} void add(int i,T x){ i++; while(i<=n){ data[i] += x; i += i & (-i); } } //sum of [l,r) T sum(int l,int r){ return sum(r-1)-sum(l-1); } T sum(int i){ i++; T now = 0; while(i>0){ now += data[i]; i -= i & (-i); } return now; } }; int main(){ int n,m,k; cin>>n>>m>>k; vector s(n),a(m),b(m); for(int i = 0;i>s[i]; s[i]--; } for(int i = 0;i>a[i]; for(int i = 0;i>b[i]; BIT2D bit(n+1,k+1); bit.add(0,0,1); vector last(m,0); for(int i = 0;i=0){ bit.add(i+1,j,bit.sum(ni,want,nj+1,want+1)); } want = j - b[s[i]]; if(want>=0){ bit.add(i+1,j,bit.sum(ni,want,nj+1,want+1)); } } } cout<