/legalsudoku.c
Created Dec 29, 2012
| #include<stdio.h> | |
| int main(int j,char**V){char*R=V[1],i=0,k=48;for(;*R>k;*++R|| | |
| puts(R-i))++i;for(;++k<58;*R&&main(*R=k,V),*R=1)for(j=81;j | |
| --;)*R*=R[j-i]-k||i/9^j/9&&i%9^j%9&&i/27^j/27|i%9/3^j%9/3;} |
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