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// verification-helper: PROBLEM http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=NTL_1_E #include<bits/stdc++.h> using namespace std; #define call_from_test #include "../../math/extgcd.cpp" #undef call_from_test signed main(){ int a,b; cin>>a>>b; auto[x,y]=extgcd(a,b); cout<<x<<" "<<y<<endl; return 0; }
#line 1 "test/aoj/NTL_1_E.test.cpp" // verification-helper: PROBLEM http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=NTL_1_E #include<bits/stdc++.h> using namespace std; #define call_from_test #line 1 "math/extgcd.cpp" #line 3 "math/extgcd.cpp" using namespace std; #endif //BEGIN CUT HERE // find (x, y) s.t. ax + by = gcd(a, b), minimize |x| + |y| // |x| <= b, |y| <= a // return gcd(a, b) template<typename T> T extgcd(T a,T b,T& x,T& y){ T d=a; if(b!=0){ d=extgcd(b,a%b,y,x); y-=(a/b)*x; }else{ x=1;y=0; } return d; } template<typename T> pair<T, T> extgcd(T a,T b){ T x,y; extgcd(a,b,x,y); return make_pair(x,y); } //END CUT HERE #ifndef call_from_test //INSERT ABOVE HERE signed main(){ return 0; } #endif #line 8 "test/aoj/NTL_1_E.test.cpp" #undef call_from_test signed main(){ int a,b; cin>>a>>b; auto[x,y]=extgcd(a,b); cout<<x<<" "<<y<<endl; return 0; }