6 files changed, 123 insertions, 1 deletions
diff --git a/5p1.cpp b/5p1.cpp
index bc7c0ed..6babc13 100644
--- a/5p1.cpp
+++ b/5p1.cpp
@@ -1,4 +1,3 @@
-#include <iostream>
 
 /*
  *
diff --git a/6p1.cpp b/6p1.cpp
new file mode 100644
index 0000000..0f4348e
--- /dev/null
+++ b/6p1.cpp
@@ -0,0 +1,13 @@
+
+/*
+ *
+ * 6.1
+ *
+ *
+ */
+
+int main () {
+
+	// Arguments are initializers for functions parameters
+	return 0;
+}
diff --git a/6p2.cpp b/6p2.cpp
new file mode 100644
index 0000000..1791977
--- /dev/null
+++ b/6p2.cpp
@@ -0,0 +1,35 @@
+
+/*
+ *
+ * 6.2
+ *
+ *
+ */
+
+int main () {
+
+	/* Corrected versions
+	  
+	  (a)
+	  string f() {
+	  string s;
+	  // . . .
+	  return s;
+	  }
+	  
+	  (b)
+	  void f2(int i) { }
+	  
+	  (c)
+	  int calc(int v1, int v2) {
+
+	  return v1 + v2;
+	  }
+	  
+	  (d)
+	  double square(double x) {
+	  return x * x;
+	  }
+	 */
+	return 0;
+}
diff --git a/6p3.cpp b/6p3.cpp
new file mode 100644
index 0000000..b653289
--- /dev/null
+++ b/6p3.cpp
@@ -0,0 +1,24 @@
+#include <iostream>
+
+/*
+ *
+ * 6.3
+ *
+ *
+ */
+
+int fact(int val) {
+
+	int ret = 1;
+	while(val > 1) {
+		ret *= val--;
+	}
+	
+	return ret;
+}
+
+int main () {
+
+	std::cout << fact(5) << std::endl;
+	return 0;
+}
diff --git a/6p4.cpp b/6p4.cpp
new file mode 100644
index 0000000..28c6fa5
--- /dev/null
+++ b/6p4.cpp
@@ -0,0 +1,26 @@
+#include <iostream>
+
+/*
+ *
+ * 6.4
+ *
+ *
+ */
+
+uint64_t fact(void) {
+	
+	uint64_t val;
+	if(std::cin >> val) {} else { return 0; }
+	uint64_t ret = 1;
+	while(val > 1) {
+		ret *= val--;
+	}
+	
+	return ret;
+}
+
+int main () {
+
+	std::cout << fact() << std::endl;
+	return 0;
+}
diff --git a/6p5.cpp b/6p5.cpp
new file mode 100644
index 0000000..bcdec06
--- /dev/null
+++ b/6p5.cpp
@@ -0,0 +1,25 @@
+#include <iostream>
+
+/*
+ *
+ * 6.5
+ *
+ *
+ */
+
+int AbsoluteValue(int v) {
+
+	if (v < 0) {
+		return -v;
+	}
+
+	return v;
+}
+
+int main () {
+
+	int v;
+	if(std::cin >> v) {} else { return -1; }
+	std::cout << AbsoluteValue(v) << std::endl;
+	return 0;
+}