11 files changed, 419 insertions, 419 deletions
diff --git a/ee1301/wk3/hw3_directory/strap012_HW3A.cpp b/ee1301/wk3/hw3_directory/strap012_HW3A.cpp
index 6a4ec6c..42aae10 100644
--- a/ee1301/wk3/hw3_directory/strap012_HW3A.cpp
+++ b/ee1301/wk3/hw3_directory/strap012_HW3A.cpp
@@ -1,62 +1,62 @@
-/*
-27 Feb 2019
-Matthew Strapp
-5449340
-EE1301
-Spring 2019
-Homework 3A
-One-armed Bandit Simulator
-*/
-
-#include <iostream>
-#include <stdlib.h>
-#include <cmath>
-#include <iomanip>
-
-int spin_the_wheels(int d, int w);
-
-int main () {
-  srand(time(NULL));
-  int w, d, winCount, winTest;
-  for (w=3; w<=6; w++) {
-    winCount=0;
-    for (d=9; d<=27; d++) {
-      winCount=0;
-      for (long n=1000000; n>0; n--) { //The simulation is always done 1,000,000 times
-        winTest = spin_the_wheels(d, w);
-        winCount+=winTest;
-      }
-      if (w==6) {
-        std::cout << std::scientific;
-      }
-      std::cout << "w=" << w << ", d=" << d
-           << ": Simulated probability = m/n = " << (winCount / 1000000.0) * 100.0 << "%. "
-           << "Theoretical probability = " << (d / (pow(d, w))) * 100 << "%." << std::endl;
-      d+=2;
-    }
-  }
-}
-
-// Function: spin_the_wheels
-//  ---------------------------
-// Simulates the one-armed bandit from the previous HW
-// d: the number of options on the spinner
-// w: the number of spinners
-// returns: Either 1 for win or 0 for loss
-
-int spin_the_wheels(int d, int w) {
-  int spinOG=0, spinNew=0, win=0;
-  spinOG = ( (rand() % d) + 1); //Original spin is always the same
-  w-=1; //The first wheel was spun as spinOG
-  for (int i=0; i<w; i++) {
-    spinNew = ( (rand() % d) + 1);
-    if (spinOG==spinNew) {
-      win++;
-    }
-  }
-  if (win==w) { //The only win condition is if every wheel matches
-    return 1;
-  } else {
-    return 0;
-  }
+/*
+27 Feb 2019
+Matthew Strapp
+5449340
+EE1301
+Spring 2019
+Homework 3A
+One-armed Bandit Simulator
+*/
+
+#include <iostream>
+#include <stdlib.h>
+#include <cmath>
+#include <iomanip>
+
+int spin_the_wheels(int d, int w);
+
+int main () {
+  srand(time(NULL));
+  int w, d, winCount, winTest;
+  for (w=3; w<=6; w++) {
+    winCount=0;
+    for (d=9; d<=27; d++) {
+      winCount=0;
+      for (long n=1000000; n>0; n--) { //The simulation is always done 1,000,000 times
+        winTest = spin_the_wheels(d, w);
+        winCount+=winTest;
+      }
+      if (w==6) {
+        std::cout << std::scientific;
+      }
+      std::cout << "w=" << w << ", d=" << d
+           << ": Simulated probability = m/n = " << (winCount / 1000000.0) * 100.0 << "%. "
+           << "Theoretical probability = " << (d / (pow(d, w))) * 100 << "%." << std::endl;
+      d+=2;
+    }
+  }
+}
+
+// Function: spin_the_wheels
+//  ---------------------------
+// Simulates the one-armed bandit from the previous HW
+// d: the number of options on the spinner
+// w: the number of spinners
+// returns: Either 1 for win or 0 for loss
+
+int spin_the_wheels(int d, int w) {
+  int spinOG=0, spinNew=0, win=0;
+  spinOG = ( (rand() % d) + 1); //Original spin is always the same
+  w-=1; //The first wheel was spun as spinOG
+  for (int i=0; i<w; i++) {
+    spinNew = ( (rand() % d) + 1);
+    if (spinOG==spinNew) {
+      win++;
+    }
+  }
+  if (win==w) { //The only win condition is if every wheel matches
+    return 1;
+  } else {
+    return 0;
+  }
 }
 \ No newline at end of file
diff --git a/ee1301/wk3/hw3_directory/strap012_HW3B.cpp b/ee1301/wk3/hw3_directory/strap012_HW3B.cpp
index 3a46a45..16785bd 100644
--- a/ee1301/wk3/hw3_directory/strap012_HW3B.cpp
+++ b/ee1301/wk3/hw3_directory/strap012_HW3B.cpp
@@ -1,65 +1,65 @@
-/*
-27 Feb 2019
-Matthew Strapp
-5449340
-EE1301
-Spring 2019
-Homework 3B
-Character Detection
-*/
-
-#include <iostream>
-#include <stdlib.h>
-#include <cmath>
-#include <iomanip>
-
-int charTest (char character);
-
-int main () {
-using namespace std;
-    int test;
-    char character;
-    bool isAlphaNumeric=true;
-    while (isAlphaNumeric) {
-      cout << "Enter a single digit or an alphabetic character: ";
-      cin >> character;
-      cout << "You entered " << character << ", ";
-      test = charTest(character);
-      if (test==0) {
-        isAlphaNumeric=false;
-        cout << "which is not a letter or a number.";
-      }
-      if (test==1) {
-        cout << "which is a number.";
-      }
-      if (test==2) {
-        cout << "which is a lower case letter.";
-      }
-      if (test==3) {
-        cout << "which is an upper case letter.";
-      }
-      cout << endl;
-    }
-}
-
-// Function: charTest
-//  ---------------------------
-// Tests to see what kind of character was inputted
-// input: character from prompt in main
-// returns: 1 if number, 2 if lower case, 3 if upper case, 0 if not any of the previous
-
-int charTest (char character) {
-  if (character >= '0' && character <= '9') {
-      return 1;
-    } else {
-        if (character>='a' && character<='z') {
-            return 2;
-        } else {
-            if (character>= 'A' && character<='Z') {
-                return 3;
-            } else {
-                  return 0;
-            }
-        }
-    }
+/*
+27 Feb 2019
+Matthew Strapp
+5449340
+EE1301
+Spring 2019
+Homework 3B
+Character Detection
+*/
+
+#include <iostream>
+#include <stdlib.h>
+#include <cmath>
+#include <iomanip>
+
+int charTest (char character);
+
+int main () {
+using namespace std;
+    int test;
+    char character;
+    bool isAlphaNumeric=true;
+    while (isAlphaNumeric) {
+      cout << "Enter a single digit or an alphabetic character: ";
+      cin >> character;
+      cout << "You entered " << character << ", ";
+      test = charTest(character);
+      if (test==0) {
+        isAlphaNumeric=false;
+        cout << "which is not a letter or a number.";
+      }
+      if (test==1) {
+        cout << "which is a number.";
+      }
+      if (test==2) {
+        cout << "which is a lower case letter.";
+      }
+      if (test==3) {
+        cout << "which is an upper case letter.";
+      }
+      cout << endl;
+    }
+}
+
+// Function: charTest
+//  ---------------------------
+// Tests to see what kind of character was inputted
+// input: character from prompt in main
+// returns: 1 if number, 2 if lower case, 3 if upper case, 0 if not any of the previous
+
+int charTest (char character) {
+  if (character >= '0' && character <= '9') {
+      return 1;
+    } else {
+        if (character>='a' && character<='z') {
+            return 2;
+        } else {
+            if (character>= 'A' && character<='Z') {
+                return 3;
+            } else {
+                  return 0;
+            }
+        }
+    }
 }
 \ No newline at end of file
diff --git a/ee1301/wk3/hw3_directory/strap012_HW3C.cpp b/ee1301/wk3/hw3_directory/strap012_HW3C.cpp
index 79a65a2..6886106 100644
--- a/ee1301/wk3/hw3_directory/strap012_HW3C.cpp
+++ b/ee1301/wk3/hw3_directory/strap012_HW3C.cpp
@@ -1,51 +1,51 @@
-/*
-27 Feb 2019
-Matthew Strapp
-5449340
-EE1301
-Spring 2019
-Homework 3C
-Character Detection
-*/
-
-#include <iostream>
-#include <stdlib.h>
-#include <cmath>
-#include <iomanip>
-using namespace std;
-
-void swapCase(char s);
-
-int main() {
-    char character;
-    do { //This loops until '@' is entered
-        cout << "Please enter a character that is an ASCII letter in the range [A-Za-z]: ";
-        cin >> character;
-        if (character!='@') {
-          swapCase(character);
-        }
-    } while (character!='@');
-}
-
-// Function: swapCase
-//  ---------------------------
-// Swaps the case of a latin ASCII character and prints an error if not one
-// s: the character inputted
-// Outputs: Nothing, the function just outputs the response
-
-void swapCase(char s) {
-    char New;
-    cout << "You entered " << s;
-    if ( (s >= 'a' && s <= 'z') || (s >= 'A' && s <= 'Z') ) {
-        cout << ", I respond with ";
-        if (s >= 'A' && s <= 'Z') {
-          New = s + 32; //32 is the difference between capital and lowercase ASCII characters
-        } else {
-            New= s - 32;
-        }
-        cout << New;
-    } else {
-            cout << ", which is not a valid character.";
-        }
-    cout << endl;
+/*
+27 Feb 2019
+Matthew Strapp
+5449340
+EE1301
+Spring 2019
+Homework 3C
+Character Detection
+*/
+
+#include <iostream>
+#include <stdlib.h>
+#include <cmath>
+#include <iomanip>
+using namespace std;
+
+void swapCase(char s);
+
+int main() {
+    char character;
+    do { //This loops until '@' is entered
+        cout << "Please enter a character that is an ASCII letter in the range [A-Za-z]: ";
+        cin >> character;
+        if (character!='@') {
+          swapCase(character);
+        }
+    } while (character!='@');
+}
+
+// Function: swapCase
+//  ---------------------------
+// Swaps the case of a latin ASCII character and prints an error if not one
+// s: the character inputted
+// Outputs: Nothing, the function just outputs the response
+
+void swapCase(char s) {
+    char New;
+    cout << "You entered " << s;
+    if ( (s >= 'a' && s <= 'z') || (s >= 'A' && s <= 'Z') ) {
+        cout << ", I respond with ";
+        if (s >= 'A' && s <= 'Z') {
+          New = s + 32; //32 is the difference between capital and lowercase ASCII characters
+        } else {
+            New= s - 32;
+        }
+        cout << New;
+    } else {
+            cout << ", which is not a valid character.";
+        }
+    cout << endl;
 }
 \ No newline at end of file
diff --git a/ee1301/wk3/lab3/RootBabylon2.cpp b/ee1301/wk3/lab3/RootBabylon2.cpp
index c6daa37..1053cab 100644
--- a/ee1301/wk3/lab3/RootBabylon2.cpp
+++ b/ee1301/wk3/lab3/RootBabylon2.cpp
@@ -1,40 +1,40 @@
-#include <iostream>
-#include <iomanip>
-#include <cmath>
-using namespace std;
-
-double gennewGuess(double n, double old_guess) {
-  double real, old;
-  real=sqrt(n);
-  double new_guess = ( old_guess + n / old_guess ) / 2;
-  old=new_guess;
-  if (((new_guess-real)/real)>0.01) { //This will be true if the difference between the real root and guess is more than 1%.
-  //  cout << old << endl;
-    return gennewGuess(n, old);
-  } else {
-  //  cout << old << endl;
-    return new_guess;
-  }
-}
-int main () {
-  double temp;
-  char cont;
-  do {
-  cout << "enter a value: ";
-  cin >> temp;
-  int n=temp;
-  if (temp<=0) {
-    cout << "Please enter a valid input(Positive Integer)." << endl;
-    return sqrt(-1);
-  }
-  //cout << "Guessing..." << endl;
-  temp = gennewGuess(temp, 1.0);
-  cout << fixed << setprecision(0) << "square root of " << n << " is " << temp << endl
-  << "continue? (y/n): ";
-  cin >> cont;
-  if (cont!='n'&&cont!='y') {
-    return -1;
-  }
-} while (cont!='n');
-  // << "Actual Value: " << real << endl;
-}
+#include <iostream>
+#include <iomanip>
+#include <cmath>
+using namespace std;
+
+double gennewGuess(double n, double old_guess) {
+  double real, old;
+  real=sqrt(n);
+  double new_guess = ( old_guess + n / old_guess ) / 2;
+  old=new_guess;
+  if (((new_guess-real)/real)>0.01) { //This will be true if the difference between the real root and guess is more than 1%.
+  //  cout << old << endl;
+    return gennewGuess(n, old);
+  } else {
+  //  cout << old << endl;
+    return new_guess;
+  }
+}
+int main () {
+  double temp;
+  char cont;
+  do {
+  cout << "enter a value: ";
+  cin >> temp;
+  int n=temp;
+  if (temp<=0) {
+    cout << "Please enter a valid input(Positive Integer)." << endl;
+    return sqrt(-1);
+  }
+  //cout << "Guessing..." << endl;
+  temp = gennewGuess(temp, 1.0);
+  cout << fixed << setprecision(0) << "square root of " << n << " is " << temp << endl
+  << "continue? (y/n): ";
+  cin >> cont;
+  if (cont!='n'&&cont!='y') {
+    return -1;
+  }
+} while (cont!='n');
+  // << "Actual Value: " << real << endl;
+}
diff --git a/ee1301/wk3/lab3/RootBabylonOG.cpp b/ee1301/wk3/lab3/RootBabylonOG.cpp
index d0d8b39..530a1bf 100644
--- a/ee1301/wk3/lab3/RootBabylonOG.cpp
+++ b/ee1301/wk3/lab3/RootBabylonOG.cpp
@@ -1,34 +1,34 @@
-#include <iostream>
-#include <cmath>
-using namespace std;
-
-double gennewGuess(double n, double old_guess) {
-  double new_guess = ( old_guess + ( n / old_guess ) ) / 2;
-  return new_guess;
-  }
-  
-double BabylonRoot(double n) {
-  double real, guess=1; //Initial guess is set to 1
-  real=sqrt(n);
-  do {
-    guess = gennewGuess(n,guess);
-    cout << guess << endl;
-  } while (abs(guess-real)/real>0.01); //Keep guessing unitl within 1% of the actual square root
-  return guess;
-}
-
-int main () {
-  double n, guess;
-  cout << "Enter the Number to find square root: ";
-  cin >> n;
-  if (n<=0) {
-    cout << "Please enter a valid input(Positive Integer)." << endl;
-    return 2;
-  }
-  cout << "Guessing..." << endl;
-  double real=sqrt(n);
-  guess = BabylonRoot(n);
-  cout << "The Final Guess: " << guess << endl
-   << "Actual Value: " << real << endl;
-   return 0;
+#include <iostream>
+#include <cmath>
+using namespace std;
+
+double gennewGuess(double n, double old_guess) {
+  double new_guess = ( old_guess + ( n / old_guess ) ) / 2;
+  return new_guess;
+  }
+  
+double BabylonRoot(double n) {
+  double real, guess=1; //Initial guess is set to 1
+  real=sqrt(n);
+  do {
+    guess = gennewGuess(n,guess);
+    cout << guess << endl;
+  } while (abs(guess-real)/real>0.01); //Keep guessing unitl within 1% of the actual square root
+  return guess;
+}
+
+int main () {
+  double n, guess;
+  cout << "Enter the Number to find square root: ";
+  cin >> n;
+  if (n<=0) {
+    cout << "Please enter a valid input(Positive Integer)." << endl;
+    return 2;
+  }
+  cout << "Guessing..." << endl;
+  double real=sqrt(n);
+  guess = BabylonRoot(n);
+  cout << "The Final Guess: " << guess << endl
+   << "Actual Value: " << real << endl;
+   return 0;
 }
 \ No newline at end of file
diff --git a/ee1301/wk3/lab3/fib.cpp b/ee1301/wk3/lab3/fib.cpp
index 67ba8bb..57be3a2 100644
--- a/ee1301/wk3/lab3/fib.cpp
+++ b/ee1301/wk3/lab3/fib.cpp
@@ -1,21 +1,21 @@
-#include <iostream>
-using namespace std;
-int main()
-{
-  unsigned long long fib1=0, fib2=1, count, fib3=1;
-  cout << "How many Fibonacci numbers should be computed? ";
-  cin >> count;
-  bool firstRun=true;
-  for (int i=1; i<(count+1); i++) {
-    if (!firstRun) { //The contents are run when i is not 1.
-      fib3=fib1+fib2;
-      fib1=fib2;
-      fib2=fib3;
-    }
-    firstRun=false;
-    cout << fib3 << " ";
-    if (i%10==0 && i!=0)
-      cout << endl;
-  }
-  cout << endl;
-}
+#include <iostream>
+using namespace std;
+int main()
+{
+  unsigned long long fib1=0, fib2=1, count, fib3=1;
+  cout << "How many Fibonacci numbers should be computed? ";
+  cin >> count;
+  bool firstRun=true;
+  for (int i=1; i<(count+1); i++) {
+    if (!firstRun) { //The contents are run when i is not 1.
+      fib3=fib1+fib2;
+      fib1=fib2;
+      fib2=fib3;
+    }
+    firstRun=false;
+    cout << fib3 << " ";
+    if (i%10==0 && i!=0)
+      cout << endl;
+  }
+  cout << endl;
+}
diff --git a/ee1301/wk3/lab3/gcd.cpp b/ee1301/wk3/lab3/gcd.cpp
index e9c1801..4e127d9 100644
--- a/ee1301/wk3/lab3/gcd.cpp
+++ b/ee1301/wk3/lab3/gcd.cpp
@@ -1,36 +1,36 @@
-#include <iostream>
-#include <cmath>
-using namespace std;
-
-int GCD(int a, int b) {
-  int gcd=1;
-  a=abs(a); b=abs(b);
-  if (a>b) {
-    //do nothing
-  } else {
-    if (b>a) {
-     int foo=a; a=b; b=foo;
-   } else {
-      return -1;
-    }
-  }
-  gcd=(a%b);
-  while (gcd!=0) {
-    return GCD(b,gcd);
-  }
-  return b;
-
-}
-int main () {
-  int a=0, b=0;
-  char cont;
-  do {
-    cout << "enter two integer values: ";
-    cin >> a >> b;
-    cout << "greatest common divisor is: " << GCD(a,b) << endl;
-    cout << "continue? (y/n): ";
-    cin >> cont;
-    cout << endl;
-  } while (cont!='n');
-  
-}
+#include <iostream>
+#include <cmath>
+using namespace std;
+
+int GCD(int a, int b) {
+  int gcd=1;
+  a=abs(a); b=abs(b);
+  if (a>b) {
+    //do nothing
+  } else {
+    if (b>a) {
+     int foo=a; a=b; b=foo;
+   } else {
+      return -1;
+    }
+  }
+  gcd=(a%b);
+  while (gcd!=0) {
+    return GCD(b,gcd);
+  }
+  return b;
+
+}
+int main () {
+  int a=0, b=0;
+  char cont;
+  do {
+    cout << "enter two integer values: ";
+    cin >> a >> b;
+    cout << "greatest common divisor is: " << GCD(a,b) << endl;
+    cout << "continue? (y/n): ";
+    cin >> cont;
+    cout << endl;
+  } while (cont!='n');
+  
+}
diff --git a/ee1301/wk3/lab3/multTable.cpp b/ee1301/wk3/lab3/multTable.cpp
index 8e2e887..4253980 100644
--- a/ee1301/wk3/lab3/multTable.cpp
+++ b/ee1301/wk3/lab3/multTable.cpp
@@ -1,18 +1,18 @@
-#include <iostream>
-using namespace std;
-int main() {
-  int r=1, c=1;
-  for (r; r<=10; r++) {
-    for (c=10; c>0; c--) {
-      int ans = r*c;
-      if (ans!=100) {
-        cout << " ";
-      }
-      if (ans<10) {
-        cout << " ";
-      }
-      cout << ans;
-    }
-  cout << endl;
-  }
-}
+#include <iostream>
+using namespace std;
+int main() {
+  int r=1, c=1;
+  for (r; r<=10; r++) {
+    for (c=10; c>0; c--) {
+      int ans = r*c;
+      if (ans!=100) {
+        cout << " ";
+      }
+      if (ans<10) {
+        cout << " ";
+      }
+      cout << ans;
+    }
+  cout << endl;
+  }
+}
diff --git a/ee1301/wk3/lab3/mysteryBox.cpp b/ee1301/wk3/lab3/mysteryBox.cpp
index c409b7c..c1aefee 100644
--- a/ee1301/wk3/lab3/mysteryBox.cpp
+++ b/ee1301/wk3/lab3/mysteryBox.cpp
@@ -1,12 +1,12 @@
-#include <iostream>
-using namespace std;
-
-int main () {
-  int sum = 0;
-  for(int i=0; i<=100; i++)
-  {
-      if(i % 7 == 0)
-          sum++;
-  }
-cout << sum;
-}
+#include <iostream>
+using namespace std;
+
+int main () {
+  int sum = 0;
+  for(int i=0; i<=100; i++)
+  {
+      if(i % 7 == 0)
+          sum++;
+  }
+cout << sum;
+}
diff --git a/ee1301/wk3/lab3/primeFactor.cpp b/ee1301/wk3/lab3/primeFactor.cpp
index 0d0e8c1..093a0be 100644
--- a/ee1301/wk3/lab3/primeFactor.cpp
+++ b/ee1301/wk3/lab3/primeFactor.cpp
@@ -1,26 +1,26 @@
-#include <iostream>
-#include <cmath>
-using namespace std;
-
-void factorFinder (unsigned long long n) {
-  unsigned long long i=2;
-  while (pow(i,2)<=n) {
-    if (n%i==0) {
-      cout << i << "*";
-      n/=i;
-    } else {
-      i++;
-    }
-  }
-  if (n>1) {
-    cout << n << endl;
-  }
-}
-
-int main () {
-  unsigned long long n;
-  cout << "Input a positive integer: ";
-  cin >> n;
-  cout << "Factors: ";
-  factorFinder(n);
-}
+#include <iostream>
+#include <cmath>
+using namespace std;
+
+void factorFinder (unsigned long long n) {
+  unsigned long long i=2;
+  while (pow(i,2)<=n) {
+    if (n%i==0) {
+      cout << i << "*";
+      n/=i;
+    } else {
+      i++;
+    }
+  }
+  if (n>1) {
+    cout << n << endl;
+  }
+}
+
+int main () {
+  unsigned long long n;
+  cout << "Input a positive integer: ";
+  cin >> n;
+  cout << "Factors: ";
+  factorFinder(n);
+}
diff --git a/ee1301/wk3/lab3/strap012_lab3_decimal_roman_conv.cpp b/ee1301/wk3/lab3/strap012_lab3_decimal_roman_conv.cpp
index 1049063..f6aa568 100644
--- a/ee1301/wk3/lab3/strap012_lab3_decimal_roman_conv.cpp
+++ b/ee1301/wk3/lab3/strap012_lab3_decimal_roman_conv.cpp
@@ -1,58 +1,58 @@
-//Matthew Strapp
-//5449340
-//20 February 2018
-//Lab 3 Workout
-
-#include <iostream>
-using namespace std;
-int main () {
-  int decimal;
-  cout << "Enter an integer value from 1 to 999: ";
-  cin >> decimal;
-  if (decimal<1 || decimal>999) {
-    cout << "       Invalid Input.    Program terminated." << endl;
-    return 1453;
-  } else {
-      cout << "Roman numeral equivalent: ";
-  while (decimal!=0) {
-      if (decimal>900 && decimal<1000) {
-        cout << "CM"; decimal-=900;
-        }
-      if (decimal>=500 && decimal<900) {
-        cout << "D"; decimal-=500;
-        }
-      if (decimal>=400 && decimal<500) {
-        cout << "CD"; decimal-=400;
-        }
-      if (decimal>=100 && decimal<400) {
-        cout << "C"; decimal-=100;
-        }
-      if (decimal>=90 && decimal<100) {
-        cout << "XC"; decimal-=90;
-        }
-      if (decimal>=50 && decimal<90) {
-        cout << "L"; decimal-=50;
-        }
-      if (decimal>=40 && decimal<50) {
-        cout << "XL"; decimal-=40;
-        }
-      if (decimal>=10 && decimal<40) {
-        cout << "X"; decimal-=10;
-        }
-      if (decimal==9) {
-        cout << "IX"; decimal-=9;
-        }
-      if (decimal>=5 && decimal<9) {
-        cout << "V"; decimal-=5;
-        }
-      if (decimal==4) {
-        cout << "IV"; decimal-=4;
-        }
-      if (decimal>=1 && decimal<4) {
-        cout << "I"; decimal-= 1;
-        }
-      }
-    }
-  cout << endl;
-  return 0;
-}
+//Matthew Strapp
+//5449340
+//20 February 2018
+//Lab 3 Workout
+
+#include <iostream>
+using namespace std;
+int main () {
+  int decimal;
+  cout << "Enter an integer value from 1 to 999: ";
+  cin >> decimal;
+  if (decimal<1 || decimal>999) {
+    cout << "       Invalid Input.    Program terminated." << endl;
+    return 1453;
+  } else {
+      cout << "Roman numeral equivalent: ";
+  while (decimal!=0) {
+      if (decimal>900 && decimal<1000) {
+        cout << "CM"; decimal-=900;
+        }
+      if (decimal>=500 && decimal<900) {
+        cout << "D"; decimal-=500;
+        }
+      if (decimal>=400 && decimal<500) {
+        cout << "CD"; decimal-=400;
+        }
+      if (decimal>=100 && decimal<400) {
+        cout << "C"; decimal-=100;
+        }
+      if (decimal>=90 && decimal<100) {
+        cout << "XC"; decimal-=90;
+        }
+      if (decimal>=50 && decimal<90) {
+        cout << "L"; decimal-=50;
+        }
+      if (decimal>=40 && decimal<50) {
+        cout << "XL"; decimal-=40;
+        }
+      if (decimal>=10 && decimal<40) {
+        cout << "X"; decimal-=10;
+        }
+      if (decimal==9) {
+        cout << "IX"; decimal-=9;
+        }
+      if (decimal>=5 && decimal<9) {
+        cout << "V"; decimal-=5;
+        }
+      if (decimal==4) {
+        cout << "IV"; decimal-=4;
+        }
+      if (decimal>=1 && decimal<4) {
+        cout << "I"; decimal-= 1;
+        }
+      }
+    }
+  cout << endl;
+  return 0;
+}