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AC百题留念~

Posted by xiyangyang790 at 2011-11-06 16:45:58 on Problem 1942
100题了。。。

//1942.cpp by ssy

#include <iostream>
#include <iomanip>

using namespace std;

double ans,n,m;

int main(){
	
	cout<<fixed<<setprecision(0);
	
	while(cin>>n>>m){
		
		if(n==0 && m==0)
			break;
		
		if(n>m) swap(n,m);
		
		ans=1;
		
		for(unsigned i=1;i<=n;i++){
			ans=ans*(m+i)/i;
		}
		
		cout<<ans<<endl;
	}

	return 0;	
}

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