Count != 0 is preferred over empty Any() call

AOC2019/Day13.cs

@@ -13,7 +13,7 @@ public sealed class Day13() : Day(2019, 13, "Care Package")
 
     private void PrintBoard()
     {
-        var coords = _updatedCoordinates.Any() ? _updatedCoordinates : _board.Keys.ToList();
+        var coords = _updatedCoordinates.Count != 0 ? _updatedCoordinates : _board.Keys.ToList();
         foreach (var (x, y) in coords)
         {
             if (x < 0 || y < 0) continue;
@@ -55,7 +55,7 @@ public sealed class Day13() : Day(2019, 13, "Care Package")
         {
             haltType = _vm.Run();
             if (printBoard) _updatedCoordinates.Clear();
-            while (_vm.Output.Any())
+            while (_vm.Output.Count != 0)
             {
                 long x = _vm.Result, y = _vm.Result;
                 _board[(x, y)] = _vm.Result;

AOC2019/Day17.cs

@@ -14,7 +14,7 @@ public sealed class Day17() : Day(2019, 17, "Set and Forget")
         _vm!.Reset();
         _vm.Run();
         var sb = new StringBuilder();
-        while (_vm.Output.Any())
+        while (_vm.Output.Count != 0)
             sb.Append((char)_vm.Result);
         // Console.Write(sb);
         var grid = sb.ToString().Trim().Split().Select(s => s.ToCharArray()).ToArray();

AOC2019/Day23.cs

@@ -19,7 +19,7 @@ public sealed class Day23() : Day(2019, 23, "Category Six")
         while (true)
             foreach (var vm in vms)
             {
-                while (vm.Output.Any())
+                while (vm.Output.Count != 0)
                 {
                     var destination = (int)vm.Result;
                     var x = vm.Result;
@@ -52,7 +52,7 @@ public sealed class Day23() : Day(2019, 23, "Category Six")
             foreach (var vm in vms)
             {
                 var isIdle = true;
-                while (vm.Output.Any())
+                while (vm.Output.Count != 0)
                 {
                     var destination = (int)vm.Result;
                     var x = vm.Result;

AOC2019/IntCodeVM.cs

@@ -103,7 +103,7 @@ public class IntCodeVM
                     _i += 4;
                     break;
                 case 3:
-                    if (!_input.Any())
+                    if (_input.Count == 0)
                         return HaltType.Waiting;
                     Set(1, _input.Dequeue());
                     _i += 2;

AOC2020/Day06.cs

@@ -31,7 +31,7 @@ public sealed class Day06() : Day(2020, 6, "Custom Customs")
             lines.Add(line);
         }
 
-        if (s.Any())
+        if (s.Count != 0)
         {
             _countPart1 += s.Count;
             _countPart2 += alphabet.Count(a => lines.All(l => l.Contains(a)));

AOC2020/Day07.cs

@@ -46,7 +46,7 @@ public sealed class Day07() : Day(2020, 7, "Handy Haversacks")
                 if (contained.Any(i => i.HasValue && i.Value.Name == node) && p.Add(container))
                     start.Enqueue(container);
 
-            if (!start.Any()) break;
+            if (start.Count == 0) break;
         }
 
         return p.Count;

AOC2020/Day14.cs

@@ -75,7 +75,7 @@ public sealed class Day14() : Day(2020, 14, "Docking Data")
                             break;
                     }
 
-                if (floats.Any())
+                if (floats.Count != 0)
                 {
                     var combos = new List<ulong> { addr };
 

AOC2020/Day22.cs

@@ -37,7 +37,7 @@ public sealed class Day22() : Day(2020, 22, "Crab Combat")
         var seen1 = new HashSet<string>();
         var seen2 = new HashSet<string>();
 
-        while (deck1.Any() && deck2.Any())
+        while (deck1.Count != 0 && deck2.Count != 0)
         {
             if (recursive)
             {
@@ -92,13 +92,13 @@ public sealed class Day22() : Day(2020, 22, "Crab Combat")
     public override object Part1()
     {
         var (deck1, deck2) = Play(_deck1, _deck2);
-        return CalculateScore(deck1.Any() ? deck1 : deck2);
+        return CalculateScore(deck1.Count == 0 ? deck2 : deck1);
     }
 
     public override object Part2()
     {
         Reset();
         var (deck1, deck2) = Play(_deck1, _deck2, recursive: true);
-        return CalculateScore(deck1.Any() ? deck1 : deck2);
+        return CalculateScore(deck1.Count == 0 ? deck2 : deck1);
     }
 }

AOC2021/Day04.cs

@@ -28,7 +28,7 @@ public sealed class Day04() : Day(2021, 4, "Giant Squid")
                 .Split(' ', StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries).Select(int.Parse));
         }
 
-        if (currentBoard.Any()) _boards.Add(currentBoard);
+        if (currentBoard.Count != 0) _boards.Add(currentBoard);
         _size = (int)Math.Sqrt(currentBoard.Count);
     }
 

AOC2021/Day10.cs

@@ -58,7 +58,7 @@ public sealed class Day10() : Day(2021, 10, "Syntax Scoring")
 
             if (corrupt) continue;
             var score2 = 0L;
-            while (s.Any())
+            while (s.Count != 0)
             {
                 score2 *= 5;
                 score2 += ScoresPart2[s.Pop()];

AOC2022/Day05.cs

@@ -41,7 +41,7 @@ public sealed class Day05() : Day(2022, 5, "Supply Stacks")
     }
 
     private static string PeekStackTops(IEnumerable<Stack<char>> stacks) =>
-        stacks.Where(s => s.Any()).Aggregate("", (result, stack) => result + stack.Peek());
+        stacks.Where(s => s.Count != 0).Aggregate("", (result, stack) => result + stack.Peek());
 
     public override object Part1()
     {
@@ -58,7 +58,7 @@ public sealed class Day05() : Day(2022, 5, "Supply Stacks")
             var crane = new Stack<char>(quantity);
             Enumerable.Range(0, quantity).ForEach(_ => crane.Push(_stacksPart2![from].Pop()));
 
-            while (crane.Any()) _stacksPart2![to].Push(crane.Pop());
+            while (crane.Count != 0) _stacksPart2![to].Push(crane.Pop());
         }
 
         return PeekStackTops(_stacksPart2!);

AOC2022/Day11.cs

@@ -20,7 +20,7 @@ public sealed class Day11() : Day(2022, 11, "Monkey in the Middle")
     {
         foreach (var monkey in _monkeys!)
         {
-            while (monkey.Items.Any())
+            while (monkey.Items.Count != 0)
             {
                 var item = monkey.Items.Dequeue();
                 item = monkey.Operation(item);

AOC2022/Day12.cs

@@ -35,7 +35,7 @@ public sealed class Day12() : Day(2022, 12, "Hill Climbing Algorithm")
         var seen = new HashSet<(int x, int y)> { startCoord };
         queue.Enqueue((startCoord.x, startCoord.y, 0));
 
-        while (queue.Any())
+        while (queue.Count != 0)
         {
             var (x, y, steps) = queue.Dequeue();
             if (destCoord == (x, y) || (destVal != null && _grid[(x, y)] == destVal)) return steps;