svaza

public class Solution {
  public int EdgeScore(int[] edges) {
    long[] deg = new long[edges.Length];
    long max = -1;
    for(int i = 0; i < edges.Length; i++)
    {
      deg[edges[i]]+=i;
      max = Math.Max(max, deg[edges[i]]);
    }
    

svaza

public class Solution {
  public int ArithmeticTriplets(int[] nums, int diff) {
    var set = new HashSet<string>();
    
    int i = 0;
    int n = nums.Length-1;
    int c = 0;
   
    while(i <= n-2)
    {

svaza

public class Solution {
  public int LatestTimeCatchTheBus(int[] buses, int[] passengers, int capacity) {
    PriorityQueue<int, int> qbus = new();
    PriorityQueue<int, int> qpass = new();
    HashSet<int> set = new();
    
    foreach(var bus in buses) qbus.Enqueue(bus, bus);
    
    foreach(var p in passengers)
    {

svaza

using System.Collections.Generic;

public class Solution {
  public IList<IList<int>> Permute(int[] nums) {
    
    IList<IList<int>> solution = new List<IList<int>>();
    Traverse(nums, new HashSet<int>(), new List<int>(), solution);
    return solution;
  }
  

svaza

function combinationSum(candidates: number[], target: number): number[][] {
  let allStack: number[][] = [];
  traverse(candidates, target, [], allStack, 0);

  return allStack;
};

function traverse(candidates: number[], target: number, currentStack: number[], allStack: number[][], startIter: number) {
  if (target === 0) {
    allStack.push([...currentStack]);

svaza

using System;

public class Solution {
  public void Rotate(int[][] matrix) {

    for(int i = 0; i < matrix.Length/2; i++)
    {
      for(int j = i; j < matrix[i].Length - 1 - i; j++)
      {        
        int b = matrix[j][matrix[i].Length-1-i];

svaza

using System.Text;
using System.Collections.Generic;

public class Solution {
  public string Convert(string s, int numRows) {
    
    StringBuilder sb = new StringBuilder();
    List<int> pillarIndexes = new List<int>();
    int i = 0;
    int h = numRows - 1;

svaza

using System.Text;

public class Solution {
  public string CountAndSay(int n) {
    if(n == 1) return "1";
    
    var previousSay = CountAndSay(n - 1);
    StringBuilder sb = new StringBuilder();
    
    int runningOcc = 1;

svaza

using System;
using System.Collections.Generic;
using System.Linq;

public class Solution {
    public bool IsValidSudoku(char[][] board) {
      List<List<HashSet<int>>> sudokuSection = Enumerable.Range(1, 3)
        .Select(x => Enumerable.Range(1, 3).Select(x1 => new HashSet<int>(9)).ToList()).ToList();
      
      List<HashSet<int>> rows = Enumerable.Range(1, 9).Select(x => new HashSet<int>(9)).ToList();

svaza

using System.Collections.Generic;

public class Solution {
    public IList<IList<int>> ThreeSum(int[] nums) {
      var tripletsCollection = new List<IList<int>>(nums.Length);
      var tripletSet = new HashSet<string>(nums.Length);
      var numOccurance = new Dictionary<int, HashSet<int>>(nums.Length);
      
      for(int i = 0; i < nums.Length; i++)
        AddNumOccurance(numOccurance, nums[i], i);