adding cs142 code

2016-04-06 20:45:34 -07:00
parent 552d456d53
commit 8e52ce1982
174 changed files with 14064 additions and 0 deletions
@@ -0,0 +1,111 @@
+#include <iostream>
+#include <vector>
+#include <cstdlib>
+#include <time.h>
+#include <sstream>
+#include <cmath>
+#include <algorithm>
+
+using namespace std;
+
+int bit2dec(string s); 
+
+vector<int> get_numbers(int pow, int compliment) {
+    string store;
+    vector<int> numbers;
+    int constant = compliment;
+    for(int i = 0; i < 2; i++){
+        for(int j = 0; j < 2; j++){
+            for(int k = 0; k < 2; k++){
+                for(int l = 0; l < 2; l++){
+                    ostringstream stream;
+                    if(pow == 0){
+                        stream << i << j << k << l << constant;
+                    }
+                    else if(pow == 1){
+                        stream << i << j << k << constant << l;
+                    }
+                    else if(pow == 2){
+                        stream << i << j << constant << k << l;
+                    }
+                    else if(pow == 3){
+                        stream << i << constant << j << k << l;
+                    }
+                    else if(pow == 4){
+                        stream << constant << i << j << k << l;
+                    }
+                    store = stream.str();
+                    numbers.push_back(bit2dec(store));
+                }
+            }
+        }
+    }
+    return numbers;
+}
+
+
+ostream & operator<<(ostream & os, const vector<int> & nums) {
+    for(unsigned int i = 0; i < nums.size(); i++){
+        if(i % 4 == 0){
+        os << endl;
+        }
+        os << nums[i] << " ";
+    }
+    return os;
+}
+
+int bit2dec(string s) {
+
+    int total = 0;
+    int power = 0;
+    for(int i = s.size() - 1; i >= 0; i--) {
+        if(s[i] == '1') {
+           total += pow(2,power);
+        }
+        power++;
+    }
+    return total;
+}
+
+
+int main() {
+
+    srand (time(NULL));
+    int keep_playing = 0;
+    while(keep_playing == 0){
+        ostringstream answer;
+        for(unsigned int i = 0; i < 5 ; i++) {
+            int switcher = rand() % 2;
+            string check;
+            cout << "Is your number in this list? enter y for yes n for no" << endl;
+            cout << get_numbers(i, switcher) << endl;
+            cin >> check;
+            if(switcher == 0){
+                if(check == "y") {
+                    answer << '0';
+                }
+                else {
+                    answer << '1';
+                }
+            }
+            if(switcher == 1) {
+                if(check == "y") {
+                    answer << '1';
+                }
+                else {
+                    answer << '0';
+                }
+            }
+        }
+        string final = answer.str();
+        reverse (final.begin(), final.end());
+        cout << bit2dec(final) << endl;
+        cout << "Do you want to keep playing? enter y for yes, n for no" << endl;
+        string check;
+        cin >> check;
+        if(check == "n"){
+            keep_playing++;
+        }
+    }
+    return 0;
+}