nyoj-64

直接贴标程

#include<iostream>using namespace std;int main(){   int n,a,b,p,q;   cin>>n;   while(n--)   {      cin>>a>>b;      q=(b-2*a)/2;      p=a-q;      if(p<0 ||q<0 || b%2)   cout<<"No answer"<<endl;      else   cout<<p<<" "<<q<<endl;   }}