diff --git a/ch17/17_37_38/17_37_38.cpp b/ch17/17_37_38/17_37_38.cpp
index aa6cc70c..6cab2a1b 100644
--- a/ch17/17_37_38/17_37_38.cpp
+++ b/ch17/17_37_38/17_37_38.cpp
@@ -11,33 +11,42 @@
 
 using namespace std;
 
-int main () {
-  ifstream myfile ("test.txt");
-  char sink [250];
-
-  while(myfile.getline(sink,250))
-  {
-    cout << sink << endl;
-  }
-  return 0;
-}
+//int main () {
+//  ifstream myfile("F:\\Git\\Cpp-Primer\\ch17\\17_37_38\\test.txt");
+//  if (myfile) cout << 1 << endl;
+//  char sink [250];
+//
+//  while(myfile.getline(sink,250))
+//  {
+//    cout << sink << endl;
+//  }
+//  return 0;
+//}
 
 //17.38
 //Extend your program from the previous exercise to print each word you read onto its own line.
 
-#include <iostream>
-#include <fstream>
-#include <iomanip>
-
-using namespace std;
-
-int main () {
-  ifstream myfile ("test.txt");
-  char sink [250];
-
-  while(myfile.getline(sink,250,' '))
-  {
-    cout << sink << endl;
-  }
-  return 0;
+//#include <iostream>
+//#include <fstream>
+//#include <iomanip>
+//
+//using namespace std;
+//
+//int main () {
+//  ifstream myfile ("F:\\Git\\Cpp-Primer\\ch17\\17_37_38\\test.txt");
+//  char sink [250];
+//
+//  while(myfile.getline(sink,250,' '))
+//  {
+//    cout << sink << endl;
+//  }
+//  return 0;
+//}
+
+
+int main()
+{
+	std::cout << "Standard Output!\n";
+	std::cerr << "Standard Error!\n";
+	std::clog << "Standard Log??\n";
 }
diff --git a/ch17/17_37_38/test.txt b/ch17/17_37_38/test.txt
index c196c2df..b0219f50 100644
--- a/ch17/17_37_38/test.txt
+++ b/ch17/17_37_38/test.txt
@@ -6,6 +6,8 @@ I'm droppin' flava, my behaviour is heriditery,
 But my technique is very necessary.
 Blame it on Ice Cube... Because he says it gets funky
 When you got a subject and a predacit.
+
+
 Add it on a dope beat
 And that'll make you think.
 Some suckaz just tickle me pink
diff --git a/ch17/ex17_28_29_30.cpp b/ch17/ex17_28_29_30.cpp
index 2e841e91..42807f2e 100644
--- a/ch17/ex17_28_29_30.cpp
+++ b/ch17/ex17_28_29_30.cpp
@@ -21,6 +21,7 @@
 
 #include <iostream>
 #include <random>
+#include<string>
 
 // default version
 unsigned random_gen();
diff --git a/ch17/ex17_33.cpp b/ch17/ex17_33.cpp
index e916c2b8..e7f80197 100644
--- a/ch17/ex17_33.cpp
+++ b/ch17/ex17_33.cpp
@@ -47,7 +47,7 @@ int main() {
 	// sort words in vector
 	sort(dict.begin(), dict.end(), [](const ps &_ps1, const ps &_ps2){ return _ps1.first < _ps2.first; });
 	i.open("i.txt");
-	default_random_engine e(time(0));
+	default_random_engine e(unsigned int(time(0)));
 	// read words from text
 	while (i >> str1) {
 	  // find word in dictionary
diff --git a/ch18/18_18 18_19.cpp b/ch18/18_18 18_19.cpp
index f3f1b3b3..2ccaee79 100644
--- a/ch18/18_18 18_19.cpp	
+++ b/ch18/18_18 18_19.cpp	
@@ -16,7 +16,7 @@ void swap(T v1,Tv2)
 //By stating we are using std::swap all the following uses of swap in the scope of the function will
 //look for the matching template for its argument types in the standard library.
 //If mem1 is a string the program will use the standard library function that has string arguments.
-//If mem1 is int, it will use the standard library template version wit int arguments.
+//If mem1 is int, it will use the standard library template version with int arguments.
 
 
 //18.19
diff --git a/ch18/18_20.cpp b/ch18/18_20.cpp
index 86f2460a..bfead927 100644
--- a/ch18/18_20.cpp
+++ b/ch18/18_20.cpp
@@ -4,34 +4,32 @@
 //In the following code, determine which function, if any, matches the call to compute, List the candidate and viable functions.
 //What type conversions, if any, are applied to the argument to match the parameter in each viable function.
 
-//void conpute int first, no type conversion
+//void compute(int) first, no type conversion
 
 //void const void works.
-//void compute() doesnt work
+//void compute() doesn't work
 //double double works converted to double
 //char char works
-
-
-
-//std::cout<<typeid(x).name()<<std::endl;
+#include<iostream>
 
 namespace primerLib {
     void compute();  //Error, does not work. Too many argument in the call to match.
-    void compute( const void *); //Works! Converts argument to a constant void pointer.
+	void compute(const void *) {}; //Works! Converts argument to a constant void pointer.
 }
-using primerLib::compute;
-void compute(int);//Works! Most closely matches the argument parameters so it is selected first.
+
+void compute(int) { std::cout << "compute(int)" << std::endl; };//Works! Most closely matches the argument parameters so it is selected first.
 void compute(double, double =3.4);//Works! Converts argument to double.
 void compute(char* x,char* =0);//Works! converts to a character pointer.
 
 void f()
 {
+	using primerLib::compute;
     compute(0);
 }
 
 int main()
 {
-    compute(0);
+	f();
     return 0;
 }
 
diff --git a/ch18/ex18.1.2.3.cpp b/ch18/ex18.1.2.3.cpp
index e236e52b..b181dcf0 100644
--- a/ch18/ex18.1.2.3.cpp
+++ b/ch18/ex18.1.2.3.cpp
@@ -89,3 +89,5 @@ int main()
     */
     return 0;
 }
+
+
diff --git a/ch18/ex18.15.16.17.cpp b/ch18/ex18.15.16.17.cpp
index 2182cf1a..194e0048 100644
--- a/ch18/ex18.15.16.17.cpp
+++ b/ch18/ex18.15.16.17.cpp
@@ -164,6 +164,7 @@ namespace Test2
 
 // using directive for namespace Exercise is located at the
 // location labeled position 2.
+
 namespace Test3
 {
 	namespace Exercise
@@ -219,4 +220,5 @@ int main()
 	cout << endl;
 
 	return 0;
-}
+}
+