From 93151b852871abe680f969ff81706636f0ae6644 Mon Sep 17 00:00:00 2001 From: Kirito <1362050620@qq.com> Date: Sat, 15 Oct 2016 17:25:22 +0800 Subject: [PATCH] Create 5912_Richard.cpp Thanks Richard ! --- HDOJ/5912_Richard.cpp | 47 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 HDOJ/5912_Richard.cpp diff --git a/HDOJ/5912_Richard.cpp b/HDOJ/5912_Richard.cpp new file mode 100644 index 0000000..fd1f0c8 --- /dev/null +++ b/HDOJ/5912_Richard.cpp @@ -0,0 +1,47 @@ +#include +#include +#include +#include +#include + +using namespace std; + +long long gcd(long long x,long long y) +{ + return y?gcd(y,x%y):x; +} + +int main() +{ + int t; + cin>>t; + for(int cases=1;cases<=t;cases++) + { + int n; + cin>>n; + long long a[20]; + long long b[20]; + for(int i=1;i<=n;i++) + cin>>a[i]; + for(int i=1;i<=n;i++) + cin>>b[i]; + long long fenzi=b[n]; + long long fenmu=a[n]; + long long fenzi2=fenzi; + long long fenmu2=fenmu; + for(int i=n-1;i>=1;i--) + { + fenzi2=b[i]*fenmu; + fenmu2=fenmu*a[i]+fenzi; + long long temp=gcd(fenzi2,fenmu2); + fenzi=fenzi2/temp; + fenmu=fenmu2/temp; + } + long long temp=gcd(fenzi2,fenmu2); + fenzi=fenzi2/temp; + fenmu=fenmu2/temp; + cout<<"Case #"<