/// <summary>
/// 计算启发式节点值，若为-1表示未计算过，若为-2表示被剪枝，其他情况（正数）越小越好
/// </summary>
/// <returns></returns>
private SKSpecialDecimal cal_node_point()
{
SKSpecialDecimal ret;
if (equation_console == "")
{
return(new SKSpecialDecimal());
}
if (NodePointStatic.compare_to(new SKSpecialDecimal(-1)) != 0)
{
return(NodePointStatic);
}
string tmpa = equation_console;
string[] linesa = spilt_to_3(tmpa);
string[] linesb = spilt_to_3(tmpa);
//剪枝0：是否是不可能的加法
if (Math.Max(linesa[0].Length, linesa[1].Length) != linesa[2].Length &&
Math.Max(linesa[0].Length, linesa[1].Length) != linesa[2].Length - 1)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
//剪枝1：低位相加是否相同
int min_last_len = -1;
string[] last = new string[3];
for (int i = 0; i < 3; i++)
{
last[i] = get_last_num(linesa[i]);
if (last[i].Length < min_last_len || min_last_len == -1)
{
min_last_len = last[i].Length;
}
}
if (min_last_len > 0)
{
SKSpecialDecimal j1 = new SKSpecialDecimal(last[0].Substring(last[0].Length - min_last_len));
SKSpecialDecimal j2 = new SKSpecialDecimal(last[1].Substring(last[1].Length - min_last_len));
string left = (j1 + j2).to_string_only_integer();
if (left.Length < min_last_len)
{
string tmpstring = "";
for (int i = 0; i < min_last_len - left.Length; i++)
{
tmpstring += "0";
}
left = tmpstring + left;
}
left = left.Substring(left.Length - min_last_len);
string right = last[2].Substring(last[2].Length - min_last_len);
if (left != right)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
}
//剪枝1.5：对应加数位是否相等或相差1（进位只可能为1）
int max_line_LEN = max_line_len;
for (int i = 0; i < max_line_LEN; i++)
{
char[] xc = new char[3];
int[] xi = new int[3];
bool do_this = true;
for (int j = 0; j < 3; j++)
{
xc[j] = get_from_line_end(j, i);
if (xc[j] < '0' || xc[j] > '9')
{
do_this = false;
break;
}
xi[j] = xc[j] - '0';
}
if (do_this)
{
int tmpi = (xi[0] + xi[1]) % 10;
if (tmpi != xi[2] && (tmpi + 1) % 10 != xi[2])
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
}
}
//剪枝2：加数和是否能达到和数或是否超过和数
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < linesa[i].Length; j++)
{
if (linesa[i][j] >= 'A' && linesa[i][j] <= 'J')
{
linesa[i] = linesa[i].Replace(linesa[i][j], '9');
linesb[i] = linesb[i].Replace(linesb[i][j], '0');
}
}
}
for (int j = 0; j < linesa[2].Length; j++)
{
if (linesa[2][j] >= 'A' && linesa[2][j] <= 'J')
{
linesa[2] = linesa[2].Replace(linesa[2][j], '0');
linesb[2] = linesb[2].Replace(linesb[2][j], '9');
}
}
SKSpecialDecimal g1 = new SKSpecialDecimal(linesa[0]);
SKSpecialDecimal g2 = new SKSpecialDecimal(linesa[1]);
SKSpecialDecimal g3 = new SKSpecialDecimal(linesa[2]);
SKSpecialDecimal h1 = new SKSpecialDecimal(linesb[0]);
SKSpecialDecimal h2 = new SKSpecialDecimal(linesb[1]);
SKSpecialDecimal h3 = new SKSpecialDecimal(linesb[2]);
if ((g1 + g2).compare_to(g3) < 0 || (h1 + h2).compare_to(h3) > 0)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
else
{
//剪枝3：判断当前算式可能正确否
List <int> ava = available_nums();
if (ava.Count == 0)
{
return(new SKSpecialDecimal(0));
}
int avg = (int)Math.Round((double)ava.Sum() / ava.Count);
if (avg >= 10)
{
avg = 9;
}
else if (avg <= 0)
{
avg = 0;
}
string tmpb = equation_console;
for (int i = 0; i < tmpb.Length; i++)
{
if (tmpb[i] >= 'A' && tmpb[i] <= 'J')
{
tmpb = tmpb.Replace(tmpb[i], (char)(avg + '0'));
}
}
string[] lines = spilt_to_3(tmpb);
SKSpecialDecimal a1 = new SKSpecialDecimal(lines[0]);
SKSpecialDecimal a2 = new SKSpecialDecimal(lines[1]);
SKSpecialDecimal b = new SKSpecialDecimal(lines[2]);
ret = b - (a1 + a2);
//SKSpecialDecimal append = new SKSpecialDecimal(available_letters().Count - 1);
//append.mul_10(max_line_len - 1);
ret = SKSpecialDecimal.abs(ret) + available_letters().Count;//+append ;
if (!ret.is_zero() && available_letters().Count == 0)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
NodePointStatic = ret;
return(ret);
}
}
private SKSpecialDecimal cal_node_point()
{
if (equation_console == "")
{
return(new SKSpecialDecimal());
}
if (NodePointStatic.compare_to(new SKSpecialDecimal(-1)) != 0)
{
return(NodePointStatic);
}
SKSpecialDecimal ret = new SKSpecialDecimal();
string[] lines = spilt_string;
//剪枝0：是否是不可能的减法
if (Math.Max(lines[0].Length, lines[1].Length) < lines[2].Length - 1)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
//剪枝1：对应被减数和减数位相减后的情况剪枝
int max_line_LEN = max_line_len;
for (int i = 0; i < max_line_LEN; i++)
{
char[] xc = new char[3];
int[] xi = new int[3];
bool do_this = true;
for (int j = 0; j < 3; j++)
{
xc[j] = get_from_line_end(j, i);
if (xc[j] < '0' || xc[j] > '9')
{
do_this = false;
break;
}
xi[j] = xc[j] - '0';
}
if (do_this)
{
if (lines[2][0] != '-')
{
int tmpi = (xi[0] + 10 - xi[1]) % 10;
if (tmpi != xi[2] && tmpi - 1 != xi[2])
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
}
else
{
//A-B=-C => A+C=B
int tmpi = (xi[0] + xi[2]) % 10;
if (tmpi != xi[1] && (tmpi + 1) % 10 != xi[1])
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
}
}
}
//剪枝2：低位相减是否相同
int min_last_len = -1;
string[] last = new string[3];
for (int i = 0; i < 3; i++)
{
last[i] = get_last_num(lines[i]);
if (last[i].Length < min_last_len || min_last_len == -1)
{
min_last_len = last[i].Length;
}
}
if (min_last_len > 0)
{
SKSpecialDecimal j1 = new SKSpecialDecimal(last[0].Substring(last[0].Length - min_last_len));
SKSpecialDecimal j2 = new SKSpecialDecimal(last[1].Substring(last[1].Length - min_last_len));
SKSpecialDecimal j3 = new SKSpecialDecimal(last[2].Substring(last[2].Length - min_last_len));
string left = "", right = "";
if (lines[2][0] != '-')
{
left = SKSpecialDecimal.abs(j2 + j3).to_string_only_integer();
right = last[0].Substring(last[0].Length - min_last_len);
}
else
{
left = SKSpecialDecimal.abs(j1 + j3).to_string_only_integer();
right = last[1].Substring(last[1].Length - min_last_len);
}
if (left.Length < min_last_len)
{
string tmpstring = "";
for (int i = 0; i < min_last_len - left.Length; i++)
{
tmpstring += "0";
}
left = tmpstring + left;
}
left = left.Substring(left.Length - min_last_len);
if (left != right)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
}
//TODO:剪枝3，不可能的算式
string[] linesa = spilt_string; //A-B最大的结果比当前C最小的数还小
string[] linesb = spilt_string; //A-B最小的结果比当前C最大的数还大
linesa[1] = linesa[1].Substring(1);
linesb[1] = linesb[1].Substring(1);
for (int j = 0; j < linesa[0].Length; j++)
{
if (linesa[0][j] >= 'A' && linesa[0][j] <= 'J')
{
linesa[0] = linesa[0].Replace(linesa[0][j], '9');
linesb[0] = linesb[0].Replace(linesb[0][j], '0');
}
}
for (int j = 0; j < linesa[1].Length; j++)
{
if (linesa[1][j] >= 'A' && linesa[1][j] <= 'J')
{
linesa[1] = linesa[1].Replace(linesa[1][j], '0');
linesb[1] = linesb[1].Replace(linesb[1][j], '9');
}
}
for (int j = 0; j < linesa[2].Length; j++)
{
if (linesa[2][j] >= 'A' && linesa[2][j] <= 'J')
{
if (lines[2][0] != '-')
{
linesa[2] = linesa[2].Replace(linesa[2][j], '0');
linesb[2] = linesb[2].Replace(linesb[2][j], '9');
}
else
{
linesa[2] = linesa[2].Replace(linesa[2][j], '9');
linesb[2] = linesb[2].Replace(linesb[2][j], '0');
}
}
}
SKSpecialDecimal g1 = new SKSpecialDecimal(linesa[0]);
SKSpecialDecimal g2 = new SKSpecialDecimal(linesa[1]);
SKSpecialDecimal g3 = new SKSpecialDecimal(linesa[2]);
SKSpecialDecimal h1 = new SKSpecialDecimal(linesb[0]);
SKSpecialDecimal h2 = new SKSpecialDecimal(linesb[1]);
SKSpecialDecimal h3 = new SKSpecialDecimal(linesb[2]);
if ((g1 - g2).compare_to(g3) < 0 || (h1 - h2).compare_to(h3) > 0)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
//计算分值判断结果
List <int> ava = available_nums();
if (ava.Count == 0)
{
return(new SKSpecialDecimal(0));
}
int avg = (int)Math.Round((double)ava.Sum() / ava.Count);
if (avg >= 10)
{
avg = 9;
}
else if (avg <= 0)
{
avg = 0;
}
string tmpb = equation_console;
for (int i = 0; i < tmpb.Length; i++)
{
if (tmpb[i] >= 'A' && tmpb[i] <= 'J')
{
tmpb = tmpb.Replace(tmpb[i], (char)(avg + '0'));
}
}
string[] _lines = tmpb.Split(new char[1] {
'_'
});
_lines[1] = _lines[1].Substring(1);
SKSpecialDecimal a1 = new SKSpecialDecimal(_lines[0]);
SKSpecialDecimal a2 = new SKSpecialDecimal(_lines[1]);
SKSpecialDecimal a3 = new SKSpecialDecimal(_lines[2]);
ret = SKSpecialDecimal.abs(a3 - (a1 - a2));
ret = SKSpecialDecimal.abs(ret) + available_letters().Count;
if (!ret.is_zero() && available_letters().Count == 0)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
NodePointStatic = ret;
return(ret);
}
private SKSpecialDecimal cal_node_point()
{
if (equation_console == "")
{
return(new SKSpecialDecimal());
}
if (NodePointStatic.compare_to(new SKSpecialDecimal(-1)) != 0)
{
return(NodePointStatic);
}
SKSpecialDecimal ret = new SKSpecialDecimal(0);
//剪枝0：行数
string[] lines = spilt_string;
if (lines.Length < 5)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
int dif = lines[0].Length - lines[1].Length + 1;
int dif_p = (dif < 0) ? 0 : dif;
if (lines.Length != 3 + lines[lines.Length - 1].Length * 2)//样例：768/9和768/14
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
//剪枝1:结果位数太多
if (lines[lines.Length - 1].Length > dif_p + 1)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
////剪枝1.5:检查按行掉落
//for (int i = 0; i < lines[lines.Length - 1].Length - 1; i++)
//{
// if (lines[2 * i + 4][lines[2 * i + 4].Length - 1] != lines[0][lines[1].Length - 1 + i])
// {
// ret = new SKSpecialDecimal(-2);
// NodePointStatic = ret;
// return ret;
// }
//}
//剪枝2:乘法
string be_div_last_num = get_last_num(lines[1]);
if (be_div_last_num.Length > 0)
{
SKSpecialDecimal be_div_last_num_num = new SKSpecialDecimal(be_div_last_num);
for (int i = 0; i < lines[lines.Length - 1].Length; i++)
{
char c = lines[lines.Length - 1][i];
if (c >= '0' && c <= '9')
{
string right_num = get_last_num(lines[2 * i + 2]);
int min_last_len = Math.Min(right_num.Length, be_div_last_num.Length);
SKSpecialDecimal left_num = be_div_last_num_num * (int)(c - '0');
string left = left_num.to_string_only_integer();
if (left.Length < min_last_len)
{
string tmpstring = "";
for (int j = 0; j < min_last_len - left.Length; j++)
{
tmpstring += "0";
}
left = tmpstring + left;
}
left = left.Substring(left.Length - min_last_len);
string right = right_num.Substring(right_num.Length - min_last_len);
if (left != right)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
}
}
}
//TODO:剪枝3：检查减法
//计算分值返回
List <int> ava = available_nums();
if (ava.Count == 0)
{
return(new SKSpecialDecimal(0));
}
int avg = (int)Math.Round((double)ava.Sum() / ava.Count);
if (avg >= 10)
{
avg = 9;
}
else if (avg <= 0)
{
avg = 0;
}
string tmpb = equation_console;
for (int i = 0; i < tmpb.Length; i++)
{
if (tmpb[i] >= 'A' && tmpb[i] <= 'J')
{
tmpb = tmpb.Replace(tmpb[i], (char)(avg + '0'));
}
}
string[] _lines = tmpb.Split(new char[1] {
'_'
});
_lines[1] = _lines[1].Substring(1);
//1:乘法差异
SKSpecialDecimal be_div = new SKSpecialDecimal(_lines[1]);
for (int i = 0; i < _lines[_lines.Length - 1].Length; i++)
{
ret += SKSpecialDecimal.abs(be_div * (_lines[_lines.Length - 1][i] - '0') - (new SKSpecialDecimal(_lines[2 * i + 2])));
}
//2:减法差异
if (_lines[_lines.Length - 1].Length == 1)
{
//2.0:第一减法差异
SKSpecialDecimal b1, b2, b3;
b2 = new SKSpecialDecimal(_lines[2]);
b3 = new SKSpecialDecimal(_lines[3].Substring(0, _lines[3].Length));
int fetch = _lines[0].Length - _lines[_lines.Length - 1].Length + 1;
b1 = new SKSpecialDecimal(_lines[0].Substring(0, fetch));
ret += SKSpecialDecimal.abs((b1 - b2) - b3);
}
else
{
//2.0:第一减法差异
SKSpecialDecimal b1, b2, b3;
b2 = new SKSpecialDecimal(_lines[2]);
if (_lines[3].Length == 1)
{
b3 = new SKSpecialDecimal(0);
}
else
{
b3 = new SKSpecialDecimal(_lines[3].Substring(0, _lines[3].Length - 1));
}
int fetch = _lines[0].Length - _lines[_lines.Length - 1].Length + 1;
b1 = new SKSpecialDecimal(_lines[0].Substring(0, fetch));
ret += SKSpecialDecimal.abs((b1 - b2) - b3);
//2.1:最后减法差异
SKSpecialDecimal c1, c2, c3;
c1 = new SKSpecialDecimal(_lines[_lines.Length - 4]);
c2 = new SKSpecialDecimal(_lines[_lines.Length - 3]);
c3 = new SKSpecialDecimal(_lines[_lines.Length - 2]);
ret += SKSpecialDecimal.abs((c1 - c2) - c3);
//2.2:其他减法差异
for (int i = 0; i < (lines.Length - 3) / 2 - 2; i++)
{
SKSpecialDecimal a1 = new SKSpecialDecimal(_lines[3 + i * 2]);
SKSpecialDecimal a2 = new SKSpecialDecimal(_lines[4 + i * 2]);
SKSpecialDecimal a3;
if (_lines[5 + i * 2].Length == 1)
{
a3 = new SKSpecialDecimal(0);
}
else
{
a3 = new SKSpecialDecimal(_lines[5 + i * 2].Substring(0, _lines[5 + 3 * i].Length - 1));
}
ret += SKSpecialDecimal.abs((a1 - a2) - a3);
}
ret = SKSpecialDecimal.abs(ret) + available_letters().Count;
if (!ret.is_zero() && available_letters().Count == 0)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
NodePointStatic = ret;
return(ret);
}
return(ret);
}
private SKSpecialDecimal cal_node_point()
{
if (equation_console == "")
{
return(new SKSpecialDecimal());
}
if (NodePointStatic.compare_to(new SKSpecialDecimal(-1)) != 0)
{
return(NodePointStatic);
}
SKSpecialDecimal ret = new SKSpecialDecimal();
//剪枝0，行数与乘数不对应
string[] lines = spilt_string;
if (lines[1].Length < 2 || (lines[1].Length == 2 && lines.Length != 3) || (lines[1].Length > 2 && lines[1].Length - 1 != lines.Length - 3))
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
//剪枝0.5：不可能的乘法-结果位数太多
if (lines[lines.Length - 1].Length > (lines[0].Length + lines[1].Length))
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
//分类-按单位数乘法和多位数乘法
if (lines[1].Length == 2)
{
//剪枝1：低位乘法
if (lines[1][1] >= '0' && lines[1][1] <= '9')
{
int min_last_len = -1;
string lastup, lastdown;
lastup = get_last_num(lines[0]);
lastdown = get_last_num(lines[2]);
min_last_len = (lastup.Length >= lastdown.Length) ? lastdown.Length : lastup.Length;
if (min_last_len > 0)
{
SKSpecialDecimal mup = new SKSpecialDecimal(lines[0].Substring(lines[0].Length - min_last_len));
//SKSpecialDecimal mdown = new SKSpecialDecimal(lines[2].Substring(lines[2].Length - min_last_len));
string left = (mup * new SKSpecialDecimal(lines[1][1].ToString())).to_string_only_integer();
if (left.Length < min_last_len)
{
string tmpstring = "";
for (int i = 0; i < min_last_len - left.Length; i++)
{
tmpstring += "0";
}
left = tmpstring + left;
}
left = left.Substring(left.Length - min_last_len);
string right = lines[2].Substring(lines[2].Length - min_last_len);
if (left != right)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
}
}
//剪枝2：不可能乘法（结果太大或太小）
string[] linesa = spilt_string; //A*B最大的结果比当前C最小的数还小
string[] linesb = spilt_string; //A*B最小的结果比当前C最大的数还大
linesa[1] = linesa[1].Substring(1);
linesb[1] = linesb[1].Substring(1);
for (int j = 0; j < linesa[0].Length; j++)
{
if (linesa[0][j] >= 'A' && linesa[0][j] <= 'J')
{
linesa[0] = linesa[0].Replace(linesa[0][j], '9');
linesb[0] = linesb[0].Replace(linesb[0][j], '0');
}
}
if (linesa[1][0] >= 'A' && linesa[1][0] <= 'J')
{
linesa[1] = "9";
linesb[1] = "0";//TODO:这个有必要检查么？
}
for (int j = 0; j < linesa[2].Length; j++)
{
if (linesa[2][j] >= 'A' && linesa[2][j] <= 'J')
{
linesa[2] = linesa[2].Replace(linesa[2][j], '0');
linesb[2] = linesb[2].Replace(linesb[2][j], '9');
}
}
SKSpecialDecimal g1 = new SKSpecialDecimal(linesa[0]);
SKSpecialDecimal g2 = new SKSpecialDecimal(linesa[1]);
SKSpecialDecimal g3 = new SKSpecialDecimal(linesa[2]);
SKSpecialDecimal h1 = new SKSpecialDecimal(linesb[0]);
SKSpecialDecimal h2 = new SKSpecialDecimal(linesb[1]);
SKSpecialDecimal h3 = new SKSpecialDecimal(linesb[2]);
if ((g1 * g2).compare_to(g3) < 0 || (h1 * h2).compare_to(h3) > 0)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
//计算分值返回
List <int> ava = available_nums();
if (ava.Count == 0)
{
return(new SKSpecialDecimal(0));
}
int avg = (int)Math.Round((double)ava.Sum() / ava.Count);
if (avg >= 10)
{
avg = 9;
}
else if (avg <= 0)
{
avg = 0;
}
string tmpb = equation_console;
for (int i = 0; i < tmpb.Length; i++)
{
if (tmpb[i] >= 'A' && tmpb[i] <= 'J')
{
tmpb = tmpb.Replace(tmpb[i], (char)(avg + '0'));
}
}
string[] _lines = tmpb.Split(new char[1] {
'_'
});
_lines[1] = _lines[1].Substring(1);
SKSpecialDecimal a1 = new SKSpecialDecimal(_lines[0]);
SKSpecialDecimal a2 = new SKSpecialDecimal(_lines[1]);
SKSpecialDecimal a3 = new SKSpecialDecimal(_lines[2]);
ret = SKSpecialDecimal.abs(a3 - (a1 * a2));
ret = SKSpecialDecimal.abs(ret) + available_letters().Count;
if (!ret.is_zero() && available_letters().Count == 0)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
NodePointStatic = ret;
return(ret);
}
else
{
//多位数乘法！
//按位执行单位数剪枝
string up = lines[0];
ret.reset(0);
int lines_len = lines[1].Length - 1;//乘法中间行数
for (int i = 1; i < lines[1].Length; i++)
{
string mid = "_*" + lines[1][i];
//down是从下往上数第i行
string down = "_" + lines[lines.Length - i - 1];
string temp_console = up + mid + down;
MulEquation tmp_eq = new MulEquation(temp_console);
if (tmp_eq.node_point.compare_to(0) < 0)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
ret = ret + tmp_eq.node_point;
}
//加法剪枝
//目前只写一个低位剪枝先
int min_last_len = -1;
string[] last = new string[lines_len + 1];
for (int i = 0; i < lines_len + 1; i++)
{
last[i] = get_last_num(lines[i + 2]);
//乘法中间层补零
if (i < lines_len)
{
for (int j = 0; j < i; j++)
{
last[i] = last[i] + '0';
}
}
if (last[i].Length < min_last_len || min_last_len == -1)
{
min_last_len = last[i].Length;
}
}
if (min_last_len > 0)
{
SKSpecialDecimal tmp_add = new SKSpecialDecimal();
SKSpecialDecimal left_sum = new SKSpecialDecimal(0);
for (int i = 0; i < lines_len; i++)
{
tmp_add.reset(last[i].Substring(last[i].Length - min_last_len));
left_sum = left_sum + tmp_add;
}
string left = left_sum.to_string_only_integer();
if (left.Length < min_last_len)
{
string tmpstring = "";
for (int i = 0; i < min_last_len - left.Length; i++)
{
tmpstring += "0";
}
left = tmpstring + left;
}
left = left.Substring(left.Length - min_last_len);
string right = last[lines_len].Substring(last[lines_len].Length - min_last_len);
if (left != right)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
}
//计算分值返回
List <int> ava = available_nums();
if (ava.Count == 0)
{
return(new SKSpecialDecimal(0));
}
int avg = (int)Math.Round((double)ava.Sum() / ava.Count);
if (avg >= 10)
{
avg = 9;
}
else if (avg <= 0)
{
avg = 0;
}
string tmpb = equation_console;
for (int i = 0; i < tmpb.Length; i++)
{
if (tmpb[i] >= 'A' && tmpb[i] <= 'J')
{
tmpb = tmpb.Replace(tmpb[i], (char)(avg + '0'));
}
}
string[] _lines = tmpb.Split(new char[1] {
'_'
});
_lines[1] = _lines[1].Substring(1);
//只计算加法分的影响
SKSpecialDecimal _tmp = new SKSpecialDecimal();
SKSpecialDecimal _tmp_sum = new SKSpecialDecimal(0);
for (int i = 2; i < _lines.Length - 1; i++)
{
_tmp.reset(_lines[i]);
_tmp.mul_10(i - 2);
_tmp_sum = _tmp_sum + _tmp;
}
SKSpecialDecimal _tmp_right_sum = new SKSpecialDecimal(_lines[_lines.Length - 1]);
ret = ret + SKSpecialDecimal.abs(_tmp_right_sum - _tmp_sum);
ret = SKSpecialDecimal.abs(ret) + available_letters().Count;
if (!ret.is_zero() && available_letters().Count == 0)
{
ret = new SKSpecialDecimal(-2);
NodePointStatic = ret;
return(ret);
}
NodePointStatic = ret;
return(ret);
}
return(ret);
}