23 Toothpicks Game in C++

Toothpick Game.cpp

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+#include <iostream>
+#include <ctime>
+using namespace std;
+
+int main()
+{
+	cout << "\t\tWelcome to the toothpick game!\n";
+	int num = 0, computerPick = 0, humanPick = 0, toothpick = 23;
+	bool flag = true;
+	while (humanPick != 4)
+	{
+		while (humanPick != 4)
+		{
+			cout << "\nPlease pick up your toothpick(s), choose between 1 and 3 : ";
+			cin >> humanPick;
+
+			if (humanPick > 3 || humanPick < 0 || !humanPick || humanPick>toothpick)
+			{
+				cout << "\nPlease enter a correct value!\n";
+				cout << toothpick << " toothpick(s) remaining\n" << endl;
+				humanPick = 0;
+				continue;
+			}
+
+			toothpick -= humanPick;
+			flag = false;
+
+			if (toothpick <= 0)
+				break;
+
+			if (toothpick > 4)
+			{
+				srand(time(0));
+				computerPick = static_cast<int>(rand() % 3 + 1);
+			}
+			else if (toothpick == 1)
+				computerPick = 1;
+			else if ((toothpick >= 2) || (toothpick <= 4))
+				computerPick = toothpick - 1;
+			cout << "The computer took " << computerPick << " toothpick(s)" << endl;
+
+			toothpick -= computerPick;
+			flag = true;
+
+			if (toothpick <= 0)
+				break;
+
+			cout << toothpick << " toothpick(s) remaining" << endl;
+		}
+		if (flag == true)
+			cout << "\n\tYou have Prevailed!";
+		else if (flag == false)
+			cout << "\n\tComputer has Prevailed!";
+		if (toothpick <= 0)
+		{
+			cout << "\n\nEnter any integer except 4 to Play agin\nEnter 4 to exit\n\n\tEnter your choice : ";
+			cin >> humanPick;
+			toothpick = 23;
+
+			if (!cin)
+				break;
+		}
+		if (humanPick != 4)
+		{
+			continue;
+		}
+	}
+	cout << "\n\n\n";
+	system("pause");
+	return 0;
+}