static void Main(string[] args)
{
string testStr = "\tab";
Console.WriteLine(testStr.Length);
Console.WriteLine(testStr.LastIndexOf('\t'));
Console.WriteLine(testStr.Substring(2, 0));
HeapSort hs = new HeapSort(new int[] { 49, 38, 65, 97, 76, 13, 27, 49 });
int[] sorted = hs.Sort();
Solution solution = new Solution();
solution.lengthLongestPath("a");
solution.IsMatch("a", "a*");
char[,] board1 = new char[, ] {
{ 'X', 'X', 'X', 'X' }, { 'X', 'O', 'O', 'X' }, { 'X', 'X', 'O', 'X' }, { 'X', 'O', 'X', 'X' }
};
solution.Solve(board1);
TreeNode t1 = new TreeNode(5);
t1.right = new TreeNode(6);
solution.DeleteNode(t1, 6);
var disjointSet = new DisjointSet(10);
int r = disjointSet.Find(0);
r = disjointSet.Find(1);
disjointSet.Union(0, 1);
r = disjointSet.Find(0);
r = disjointSet.Find(1);
disjointSet.Union(1, 2);
disjointSet.Union(5, 6);
disjointSet.Union(2, 5);
var cache = new LRUCache(2);
cache.Put(1, 1);
cache.Put(2, 2);
Console.WriteLine(cache.Get(1));
cache.Put(3, 3);
Console.WriteLine(cache.Get(2));
cache.Put(4, 4);
Console.WriteLine(cache.Get(1));
Console.WriteLine(cache.Get(3));
Console.WriteLine(cache.Get(4));
int[][] sortedArray = new int[][] { new int[] { 1, 5, 9 }, new int[] { 10, 11, 13 }, new int[] { 12, 13, 15 } };
solution.SumUpInString("1+2-3+4-5+6-7");
solution.WallsAndGates(new int[, ] {
{ int.MaxValue, -1, 0, int.MaxValue },
{ int.MaxValue, int.MaxValue, int.MaxValue, -1 },
{ int.MaxValue, -1, int.MaxValue, -1 },
{ 0, -1, int.MaxValue, int.MaxValue }
});
solution.FindKthLargest(new int[] { -1, 2, 0 }, 1);
char[,] board = new char[, ] {
{ 'a', 'b' }
};
solution.Exist(board, "ba");
solution.GenerateParenthesis(2);
TreeNode m1 = new TreeNode(5);
m1.left = new TreeNode(3);
m1.right = new TreeNode(6);
m1.left.left = new TreeNode(2);
m1.left.right = new TreeNode(4);
m1.left.left.left = new TreeNode(1);
solution.kthSmallest(m1, 3);
solution.ThreeSum(new int[] { -2, 0, 0, 2, 2 });
Console.WriteLine(solution.CountPrimes(100));
solution.SearchMatrix(new int[, ] {
{ 1 }, { 3 }, { 5 }
}, 2);
solution.CheckInclusion("hello", "ooolleoooleh");
string sum = solution.Sumup("980", "9152");
solution.kthSmallest(sortedArray, 8);
int[] nums = { 1, 1, 1, 2, 2, 3 };
solution.TopKFrequent(nums, 2);
ListNode ln1 = new ListNode(2);
ListNode ln2 = null;
solution.GetIntersectionNode(ln2, ln1);
int[,] lot = new int[, ] {
{ 1, 1, 1, 1 }, { 0, 1, 1, 1 }, { 0, 1, 0, 1 }, { 1, 1, 9, 1 }, { 0, 0, 1, 1 }
};
int removeSteps = solution.removeObstacleBfs(5, 4, lot);
int removeSteps1 = solution.removeObstacle(5, 4, lot);
int[,] dots = new int[, ] {
{ 3, 6 }, { 2, 4 }, { 5, 3 }, { 2, 7 }, { 1, 8 }, { 7, 9 }
};
var ret = solution.ClosestXdestinations(6, dots, 2);
solution.CoinChange(new int[] { 9, 6, 5, 1 }, 11);
int[,] ia = { { 6, 9, 7 } };
solution.SpiralOrder(ia);
int[] p = { 1, 2, 3 };
solution.Permute(p);
Console.WriteLine(solution.NthUglyNumber(11));
int[] arr = { 1, 3, 5, 8, 9, 2, 6, 7, 6, 8, 9 };
Console.WriteLine(DynamicprogrammingQuestions.MinJumpsToEnd(arr));
int[] w = new int[] { 30, 10, 20 };
int[] v = new int[] { 120, 60, 100 };
Console.WriteLine(DynamicprogrammingQuestions.Knapsack(v, w, 30));
int[] prices = new int[] { 1, 5, 8, 9, 10, 17, 17, 20 };
Console.WriteLine(DynamicprogrammingQuestions.CutRod(prices, 8));
Console.WriteLine(DynamicprogrammingQuestions.CutRodRecursive(prices, 8));
HashSet <string> dict = new HashSet <string> {
"i", "like", "sam", "samsung", "mobile", "ice", "cream", "icecream", "man", "go", "mango"
};
Console.WriteLine(DynamicprogrammingQuestions.WordBreak(dict, "ilikei"));
CrackCode crackCode = new CrackCode();
crackCode.updateBits(1000000000, 10101, 2, 6);
int n = 4;
Stack <int> T1 = new Stack <int>();
while (n > 0)
{
T1.Push(n--);
}
Stack <int> T2 = new Stack <int>();
Stack <int> T3 = new Stack <int>();
crackCode.HanoiTower(4, T1, T2, T3);
char[,] charMatrix = new char[2, 2] {
{ 'a', 'b' },
{ 'c', 'd' }
};
int[,] intMatrix = new int[, ] {
{ 1, 1, 1 },
{ 2, 3, 0 }
};
var zeroedMatrix = crackCode.SetRowColTo0(intMatrix);
var rotated = crackCode.Rotate90Degrees(charMatrix);
var rotatedInplace = crackCode.Rotate90DegreesInPlace(charMatrix);
Console.WriteLine(crackCode.RemoveDuplicateChars("aaabbbs"));
Console.WriteLine(crackCode.IsWithUniqueChars("aba"));
Console.WriteLine(crackCode.ReverseString("abc12345"));
TreeNode tn3 = new TreeNode(3);
tn3.left = new TreeNode(9);
TreeNode tn4 = new TreeNode(20);
tn3.right = tn4;
tn4.left = new TreeNode(15);
tn4.right = new TreeNode(7);
solution.IsBalanced(tn3);
var f = solution.Fibonacci(12);
Console.WriteLine("Fibonacci Numbers:");
foreach (int i in f)
{
Console.WriteLine(i);
}
TreeNode tn1 = new TreeNode(-2);
TreeNode tn2 = new TreeNode(-3);
tn1.right = tn2;
solution.PathSum(tn1, -5);
solution.LengthOfLongestSubstring("abba");
solution.LongestSubstringV1("aacbbbdc", 2);
int[] a = { 8, 9, 10, 2 };
solution.QuickSort(a);
Console.WriteLine("After sort:");
for (int i = 0; i < a.Length; i++)
{
Console.WriteLine(a[i]);
}
int[] testData = new int[] { 2, 7, 11, 15 };
int[] result = solution.TwoSum(testData, 9);
foreach (int i in result)
{
Console.WriteLine(i);
}
ListNode n1 = new ListNode(1);
ListNode n2 = new ListNode(8);
n1.next = n2;
ListNode n3 = new ListNode(0);
solution.AddTwoNumbers(n1, n3);
Console.WriteLine("Hello World!");
}