求一个数独游戏的matlab编程

while 1 m0=ceil(m/9); l=81-sum(sum(m0)); x=[];flag=1; for k=1:l for i=1:9 for j=1:9 for m(i,j)==0 k1=cile(i/3),k2=cile(j/3); m1=m(3*k1-2:3*k1,3*k2-2:3*k2); a=m(i,:);b=m(:,j)';c(1:9)=m1; d=setdiff(1:9,union(union(a,b),c)); if length(d)==0 flag=0;break elseif length(d)==1; m(i,j)=d(1) x=[x;[i,j,d(1)]]; else r=i;c=j;choise=d; end end end if flag==0 break end end if flag==0 disp('Impossible to complete!') break elseif all(all(m))==0 disp('Choose a number and fill into the blank square,try again!') m [r,c] choise r=input('r='); c=input('c='); m(r,c)=input('m(r,c)='); else disp('Success!') result=m; break end end