OI赛制测试赛2 F-假的数学游戏 打表程序
打表程序
#include<cstdio> #include<cstring> #include<iostream> #include<algorithm> #include<vector> #include<queue> #include<cmath> using namespace std; typedef long long ll; const int INF=0x3f3f3f3f; const ll mod=1e9+7; ll a[11],b[11]; int main() { ll n=7; for (int e=1;e<=10;e++) { long double t=1; ll p=1,r=n+1; for (;p<=n;p++) { t*=(long double)n/(long double)p; while (t>r) t/=(long double)(r++); } b[e]=r; printf("%lld\n",b[e]); n=n*10+7; } return 0; }