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r=R=V(i) instead of r=V(i),R=V(i)

edited Dec 10, 2019 at 5:28

C++ (gcc), (削除) 148 (削除ここまで) 143 bytes

#import<vector>
#define q[o[i/z]*z+o[i%z]]
using V=std::vector<int>;int f(V m,V o,V&r,V&R,int z){int i=z*z;for(r=R=V(i);i--;r[i]=m q)R q=m[i];}

answered Sep 22, 2019 at 8:57