From 5bb1bb5c384a8ac27519570bd2d5e68cc0343472 Mon Sep 17 00:00:00 2001
From: Ahmad Masykur <cahnom@gmail.com>
Date: Sun, 9 Jan 2022 16:43:31 +0700
Subject: [PATCH] Add tictactoe1 in C#

---
 89_Tic-Tac-Toe/csharp/tictactoe1/Program.cs   | 75 +++++++++++++++++++
 .../csharp/tictactoe1/tictactoe1.csproj       | 10 +++
 2 files changed, 85 insertions(+)
 create mode 100644 89_Tic-Tac-Toe/csharp/tictactoe1/Program.cs
 create mode 100644 89_Tic-Tac-Toe/csharp/tictactoe1/tictactoe1.csproj

diff --git a/89_Tic-Tac-Toe/csharp/tictactoe1/Program.cs b/89_Tic-Tac-Toe/csharp/tictactoe1/Program.cs
new file mode 100644
index 00000000..58f7d36f
--- /dev/null
+++ b/89_Tic-Tac-Toe/csharp/tictactoe1/Program.cs
@@ -0,0 +1,75 @@
+// See https://aka.ms/new-console-template for more information
+Console.WriteLine("Hello, World!");
+// Print text on the screen with 30 spaces before text
+Console.WriteLine("TIC TAC TOE".PadLeft(30));
+// Print text on screen with 15 spaces before text
+Console.WriteLine("CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY".PadLeft(15));
+// Print three blank lines on screen
+Console.WriteLine("\n\n\n");
+// THIS PROGRAM PLAYS TIC TAC TOE
+// THE MACHINE GOES FIRST
+Console.WriteLine("THE GAME BOARD IS NUMBERED:\n");
+Console.WriteLine("1  2  3");
+Console.WriteLine("8  9  4");
+Console.WriteLine("7  6  5");
+
+// Main program
+while(true) {
+	int a, b, c, d, e;
+	int p, q, r, s;
+	a = 9;
+	Console.WriteLine("\n\n");
+	computerMoves(a);
+	p = readYourMove();
+	b = move(p + 1);
+	computerMoves(b);
+	q = readYourMove();
+	if (q == move(b + 4)) {
+		c = move(b + 2);
+		computerMoves(c);
+		r = readYourMove();
+		if (r == move(c + 4)) {
+			if (p % 2 != 0) {
+				d = move(c + 3);
+				computerMoves(d);
+				s = readYourMove();
+				if (s != move(d + 4)) {
+					e = move(d + 4);
+					computerMoves(e);
+				}
+				e = move(d + 6);
+				computerMoves(e);
+				Console.WriteLine("THE GAME IS A DRAW.");
+			} else {
+				d = move(c + 7);
+				computerMoves(d);
+				Console.WriteLine("AND WINS ********");
+			}
+		} else {
+			d = move(c + 4);
+			computerMoves(d);
+			Console.WriteLine("AND WINS ********");
+		}
+	} else {
+		c = move(b + 4);
+		computerMoves(c);
+		Console.WriteLine("AND WINS ********");
+	}
+}
+
+void computerMoves(int move) {
+		Console.WriteLine("COMPUTER MOVES " + move);
+}
+int readYourMove() {
+	while(true) {
+		Console.Write("YOUR MOVE?");
+		string input = Console.ReadLine();
+		if (int.TryParse(input, out int number)) {
+			return number;
+		}
+	}
+}
+
+int move(int number) {
+	return number - 8 * (int)((number - 1) / 8);
+}
diff --git a/89_Tic-Tac-Toe/csharp/tictactoe1/tictactoe1.csproj b/89_Tic-Tac-Toe/csharp/tictactoe1/tictactoe1.csproj
new file mode 100644
index 00000000..74abf5c9
--- /dev/null
+++ b/89_Tic-Tac-Toe/csharp/tictactoe1/tictactoe1.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>