Add student example inputs

examples/is_square/is_square.mc

@@ -0,0 +1,29 @@
+/* is_squared returns true if a number is the square of any integer */
+
+bool is_square(int n)
+{
+	int i = 0;
+	while(i*i < n){
+		if(i*i == n){
+			return true;
+		}
+	i = i + 1;
+	}
+	return false;
+}
+
+int main()
+{
+	print("Please enter a number: ");
+	print_nl();
+	int n;
+	n = read_int();
+	if(is_square(n)){
+		print("Yes");
+	}
+	else
+	{
+		print("No");
+	}
+	print_nl();
+}

examples/is_square/is_square.stdin.txt

@@ -0,0 +1 @@
+16

examples/is_square/is_square.stdout.txt

@@ -0,0 +1,2 @@
+Please enter a number: 
+No