lab7

CS161/lab7/main.cpp

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+/***************************************************
+* Name: Alex Narayan
+* Date: 5.10.2016
+* Assignment: Lab 7
+* Class: CS161
+* Description: implement a function to raise a base
+* to a power given two inputs base and power
+* Resources: none
+***************************************************/
+
+#include <iostream>
+
+using namespace std;
+
+double pow(int base, int exponent);
+
+void greeting();
+void result(int base, int exponent);
+
+int main() {
+   int base, exponent;
+   greeting();
+   cin >> base >> exponent;
+   result(base,exponent);
+
+   system("pause");
+
+   return 0;
+
+}
+
+void greeting(){
+   std::cout << "Please enter two numbers: ";
+}
+
+void result(int base, int exponent){
+   std::cout << "The result of " 
+             << base 
+             << " ^ " 
+             << exponent 
+             << " is "
+             << pow(base,exponent) 
+             << endl;
+}
+
+double pow(int base, int exponent){
+//purposefully not using cmath.h for abs and pow functions
+// edge cases
+// base = 2, exponent = -2, answer = 1/2^2
+// base = 2, exponent = 2, answer = 2^2
+// base = 2, exponent = 0, answer = 1
+// base = 0, exponent = 2, answer = 0
+// base = 0, exponent = 0, answer = -1 or undefined
+// limitation: infinite loop if user enters float for base or exponent
+   int result = 1;
+   if (exponent < 0){
+      for (int i = exponent * -1; i > 0; i--){
+         result *= base;         
+      }
+      return (1.0/(result));
+   }
+   if (exponent > 0) {
+       for (int i = exponent; i > 0; i--){
+         result *= base;
+      }
+      return result;
+   }
+
+   if (base == 0 || exponent == 0){
+      if (base == 0){
+         return 0;
+      }
+      else if (exponent == 0){
+          return 1;
+      }
+   }
+
+
+}
+
+
+
+
+
+

teachingpython/fib/madlib.py

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+verbs = 0;
+adjectives = 0;
+nouns = 0;
+
+with open('story.txt') as story:
+   for words in story:
+      for word in words.split():
+         words_list = ['verb','adjective','noun'];
+            if 'verb' in word_list: verbs+=1
+            if "adjective" in words_list: adjectives+=1;
+            if "nouns" in words_list_verbs: nouns+1
+
+
+print (verbs,adjectives,nouns)   

teachingpython/fib/memo.py

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+def memo(func):
+   cache = {}
+   def helper(*args):
+      if args in cache:
+         return cache[args]
+      else:
+         cache[args] = func(*args)
+         return cache[args]
+   return helper
+
+
+@memo
+def fib(n):
+   return n if n < 2 else fib(n-2) + fib(n-1)
+
+
+print (fib(500))

teachingpython/fib/story.txt

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+the adjective verb noun goes to town.