private void RURQRangeUpdate()
{
var rurqBinaryIndexedTree = new RURQBinaryIndexedTree(_array);
for (int i = 0; i < _randomRangesCount; ++i)
{
Tuple<int, int> range = _randomRanges[i];
rurqBinaryIndexedTree.RangeUpdate(range.Item1, range.Item2, 1);
}
}
private void RURQRandomOperation()
{
var rurqBinaryIndexedTree = new RURQBinaryIndexedTree(_array);
for (int i = 0; i < _randomRangesCount; ++i)
{
Tuple<int, int> range = _randomRanges[i];
if (range.Item1 % 2 == 0)
{
rurqBinaryIndexedTree.SumQuery(range.Item1, range.Item2);
}
else
{
rurqBinaryIndexedTree.RangeUpdate(range.Item1, range.Item2, 1);
}
}
}
public void VerifiesRURQBinaryIndexedTree()
{
var rand = new Random();
for (int a = 0; a < _sourceArrays.Length; ++a)
{
var sourceArray = _sourceArrays[a];
var rurqBinaryIndexedTree = new RURQBinaryIndexedTree(sourceArray);
for (int r = 0; r < 1000; ++r)
{
int firstIndex = rand.Next(0, sourceArray.Length);
int secondIndex = rand.Next(0, sourceArray.Length);
int startIndex = Math.Min(firstIndex, secondIndex);
int endIndex = Math.Max(firstIndex, secondIndex);
int mode = rand.Next(2);
if (mode == 0)
{
NaiveBinaryIndexedTreeAlternatives.RangeUpdate(sourceArray, startIndex, endIndex, delta: r);
rurqBinaryIndexedTree.RangeUpdate(startIndex, endIndex, delta: r);
}
else
{
var expected = NaiveBinaryIndexedTreeAlternatives.SumQuery(sourceArray, startIndex, endIndex);
Assert.AreEqual(expected, rurqBinaryIndexedTree.SumQuery(startIndex, endIndex));
}
}
}
}