static void Main(string[] args)
{
using (var prob = new CodeJamProblem("D:\\CodeJam\\test.in"))
{
var TestCount = prob.ReadLineInt32();
int Count = 0;
for (var i = 0; i < TestCount; i++)
{
var Parts = prob.ReadParts();
BigInteger r;
BigInteger t;
BigInteger n = 0;
if (BigInteger.TryParse(Parts[0], out r) && BigInteger.TryParse(Parts[1], out t))
{
BigInteger S1 = 2 * r + 1;
BigInteger D = (S1 - 2);
D = D * D + 8 * t;
var vSqrt = Sqrt1(D);
n = (-(S1 - 2) + Sqrt1(D)) / 4;
}
else
{
Count = -10000000;
}
prob.OutputCase(n);
}
}
}
static void Main(string[] args)
{
using (var prob = new CodeJamProblem('a', ProblemType.Large, 0))
{
int t = prob.ReadLineInt32();
for (int cases = 0; cases < t; cases++)
{
string[] cur = prob.ReadParts();
int n = int.Parse(cur[0]);
for (int i = 0; i < n; i++)
{
if (cur[2 * i + 1].Equals("O"))
{
cur[2 * i + 1] = "0";
}
else
{
cur[2 * i + 1] = "1";
}
}
int[] time = new int[2];
int[] last = new int[2] {
1, 1
};
for (int i = 0; i < n; i++)
{
int x = int.Parse(cur[2 * i + 1]);
int p = int.Parse(cur[2 * i + 2]);
time[x] += Math.Abs(p - last[x]) + 1;
if (time[x] < time[1 - x] + 1)
{
time[x] = time[1 - x] + 1;
}
last[x] = p;
}
prob.OutputCase(Math.Max(time[0], time[1]));
}
}
}
static void Main(string[] args)
{
using (var prob = new CodeJamProblem('b', ProblemType.Large, 0))
{
int t = prob.ReadLineInt32();
for (int cases = 0; cases < t; cases++)
{
int[,] combine = new int[26, 26];
for (int i = 0; i < 26; i++)
{
for (int j = 0; j < 26; j++)
{
combine[i, j] = -1;
}
}
bool[,] oppo = new bool[26, 26];
string[] cur = prob.ReadParts();
int ncombine = int.Parse(cur[0]);
int ind = 1;
for (int i = 0; i < ncombine; i++)
{
int x = cur[ind][0] - 'A';
int y = cur[ind][1] - 'A';
int z = cur[ind][2] - 'A';
combine[x, y] = combine[y, x] = z;
ind++;
}
int noppo = int.Parse(cur[ind++]);
for (int i = 0; i < noppo; i++)
{
int x = cur[ind][0] - 'A';
int y = cur[ind][1] - 'A';
oppo[x, y] = oppo[y, x] = true;
ind++;
}
int len = int.Parse(cur[ind++]);
Stack <int> stack = new Stack <int>();
foreach (char c in cur[ind])
{
int x = c - 'A';
if (stack.Count == 0)
{
stack.Push(x);
continue;
}
if (combine[x, stack.Peek()] != -1)
{
int y = stack.Pop();
stack.Push(combine[x, y]);
continue;
}
bool found = false;
for (int i = 0; i < 26; i++)
{
if (oppo[x, i] && stack.Contains(i))
{
found = true;
stack.Clear();
break;
}
}
if (!found)
{
stack.Push(x);
}
}
string ans = "[";
int[] s = stack.ToArray();
for (int i = s.Length - 1; i >= 0; i--)
{
ans += (char)(s[i] + 'A');
if (i > 0)
{
ans += ", ";
}
}
ans += "]";
prob.OutputCase(ans);
}
}
}