close
https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1753
#include <iostream>
using namespace std;
int main()
{
int n, s, d;
cin>>n;
for(int i=0; i<n; i++)
{
cin>>s>>d;
if(s>d && ((s+d)%2==0) && ((s-d)%2==0))
cout<<(s+d)/2<<" "<<(s-d)/2<<endl;
else if(s==0 && d==0)
cout<<"0 0"<<endl;
else
cout<<"impossible"<<endl;
}
}
※查詢所有題目及解答如下※
http://https://jennaweng0621.pixnet.net/blog/post/403629785
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