#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define N 1000 #define MOD 1000000007 #define pe(str) return cout<<(str)< pii; int main(void){ ll x,y; ll n; cin>>x>>y>>n; ll a[n]; re(i,n)cin>>a[i]; ll k=a[0]; rep(i,1,n){ // double t=(double)(k+a[i])/(double)y; if((k+a[i])*x