ref: 4d4fcc4d64f9d3266aa355bb89d484c95c014724
dir: /lib/vimfiles/macros/maze/maze.c/
char*M,A,Z,E=40,J[40],T[40];main(C){for(*J=A=scanf(M="%d",&C); -- E; J[ E] =T [E ]= E) printf("._"); for(;(A-=Z=!Z) || (printf("\n|" ) , A = 39 ,C -- ) ; Z || printf (M ))M[Z]=Z[A-(E =A[J-Z])&&!C & A == T[ A] |6<<27<rand()||!C&!Z?J[T[E]=T[A]]=E,J[T[A]=A-Z]=A,"_.":" |"];}