public int Solution(string input)
{
string[] instructions = instructionsRepository.GetInstructions(input);
List <(int, int)> visitedBlocks = cityStreetGrid.CalculateVisitedBlocksAfterMove(instructions);
(int x, int y)lastBlock;
(lastBlock.x, lastBlock.y) = visitedBlocks[^ 1];
public int Solution(string input)
{
string[] instructions = instructionsRepository.GetInstructions(input);
List <(int, int)> visitedBlocks = cityStreetGrid.CalculateVisitedBlocksAfterMove(instructions);
List <(int, int)> allVisitedLocations = cityStreetGrid.CalculateAllVisitedLocations(visitedBlocks);
(int x, int y)firstRepeatedLocation = (0, 0);
List <(int, int)> uniqueLocations = new List <(int, int)>();
foreach ((int x, int y)visitedLocation in allVisitedLocations)
{
if (uniqueLocations.Contains(visitedLocation))
{
firstRepeatedLocation = visitedLocation;
break;
}
uniqueLocations.Add(visitedLocation);
}
int blocksAway = Math.Abs(firstRepeatedLocation.x) + Math.Abs(firstRepeatedLocation.y);
return(blocksAway);
}