public string SolveOneCase(InputParser input)
{
int N = input.GetInt();
double V = double.Parse(input.GetString());
double X = double.Parse(input.GetString());
double R0 = double.Parse(input.GetString());
double C0 = double.Parse(input.GetString());
if (N == 1)
{
if (C0 != X)
{
return(IMPOSSIBLE);
}
else
{
return((V / R0).ToString());
}
}
double R1 = double.Parse(input.GetString());
double C1 = double.Parse(input.GetString());
if (C0 < X && C1 < X)
{
return(IMPOSSIBLE);
}
if (C0 > X && C1 > X)
{
return(IMPOSSIBLE);
}
if (X == C0 || X == C1)
{
double r = 0;
if (X == C0)
{
r += R0;
}
if (X == C1)
{
r += R1;
}
return((V / r).ToString());
}
var v0 = V * (X - C1) / (C0 - C1);
var v1 = V - v0;
var t0 = v0 / R0;
var t1 = v1 / R1;
var res = Math.Max(t0, t1);
return(res.ToString());
}
public string SolveOneCase(InputParser input)
{
var word = input.GetString();
int n = input.GetInt();
int count = 0;
for (int i = 0; i < word.Length; i++)
{
for (int j = i + n - 1; j < word.Length; j++)
{
int c = 0;
var sub = word.Substring(i, j - i + 1);
for (int k = 0; k < sub.Length; k++)
{
if (IsConst(sub[k]))
{
c++;
}
else
{
c = 0;
}
if (c == n)
{
//Console.WriteLine(sub);
count++;
break;
}
}
}
}
return(count.ToString());
}
public string SolveOneCase(InputParser input)
{
int K = input.GetInt();
int L = input.GetInt();
int S = input.GetInt();
string alph = input.GetString();
string word = input.GetString();
// not in alphabet
for (int i = 0; i < L; i++)
{
var c = word[i];
if (!alph.Contains(c.ToString()))
{
return("0.0");
}
}
// all same
bool same = true;
var a = word[0];
for (int i = 0; i < L; i++)
{
if (word[i] != a)
{
same = false;
}
}
for (int i = 0; i < K; i++)
{
if (alph[i] != a)
{
same = false;
}
}
if (same)
{
return("0.0");
}
int overlap = 0;
for (int i = 1; i < L; i++)
{
var st = word.Substring(0, i);
var e = word.Substring(word.Length - i, i);
if (st == e)
{
overlap = i;
}
}
int count = 0;
int ii = 0;
while (true)
{
if (ii + L <= S)
{
count++;
ii = ii + L - overlap;
continue;
}
break;
}
double p = 1;
for (int i = 0; i < L; i++)
{
var aa = word[i];
double cc = alph.Count(x => x == aa);
p *= cc / K;
}
var res = count - p * (S - L + 1);
return(res.ToString());
}