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我招谁惹谁了,老是runtime error!!!郁闷阿!!!!!!!!1#include <iostream> using namespace std; int main() { int n; int a,b; cin>>n; while(n--) { cin>>a; cin>>b; if( b > a || b % a == 0 ) cout<<"impossible"; else cout<<(a+b)/2<<" "<<(a-b)/2<<endl; } return 0; } Followed by:
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