摘要：
Good Serial Inc.比较简单；#include#include#include#define maxn 1000009#define ll long longusing namespace std;const ll mod=987654321;ll f[maxn]; int main(){ ll n,m; f[1]=1; for(ll i=2;imod)f[i]%=mod; } while(scanf("%lld%lld",&n,&m)&&(n+m)>0) { ll ans=1; if(n0) {... 阅读全文
