• branch=trunk inherited from [16f0b5784f]
• sym-trunk inherited from [16f0b5784f]

Modified src/solver.d from [4f413ed4f5088aec] to [dca756d0b000be21].

    53     53     Tuple!(char,int)[] cand;
    54     54     char c = 'W';
    55     55     if( la.empty ) {
    56     56      cand = search(g, ro, [li], death);
    57     57     } else {
    58     58      cand ~= search(g, ro, la, death);
    59     59     }
    60         -  cand ~= tuple('W',int.max);
           60  +  if(cand.empty) {
           61  +   const(Pos)[] tgt;
           62  +   for(int y=1; y<=g.map.H; ++y)
           63  +   for(int x=1; x<=g.map.W; ++x)
           64  +    if(g.map[y,x]=='.')
           65  +     if(g.map[y+1,x]=='*'||g.map[y+1,x-1]=='*'||g.map[y+1,x+1]=='*'
           66  +      ||g.map[y,x+1]=='*'||g.map[y,x-1]=='*')
           67  +      tgt ~= new Pos(y,x);
           68  +   cand ~= search(g, ro, tgt, death);
           69  +  }
           70  +
           71  +  if(cand.empty)
           72  +   cand ~= tuple('W',int.max);
    61     73     sort!((Tuple!(char,int) c1, Tuple!(char,int) c2){
    62     74      if(c1[1] != c2[1])
    63     75       return c1[1] < c2[1];
    64     76      return c1[0] < c2[0];
    65     77     })(cand);
    66     78     c = cand[0][0];
    67     79