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#include <cmath> #include <cstdio> #include <vector> #include <iostream> #include <algorithm> using namespace std; void update(int *a,int *b) { int p,q; p=*a; q=*b; *a=p+q; *b=p>q?p-q:q-p; } int main() { int x,y; cin>>x>>y; update(&x,&y); cout<<x<<endl<<y; return 0; }
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