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 +1,126 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+#include "Circle.h"
+
+Circle::Circle(){}
+
+vector<string> Circle::getNames() { //used to populate a vector with names
+    string special = "Josephus";
+    vector<string> names = {{
+        "Jacob",
+        "Isabella",
+        "Ethan",
+        "Sophia",
+        "Michael",
+        "Emma",
+        "Jayden",
+        "Olivia",
+        "William",
+        "Ava",
+        "Alexander",
+        "Emily",
+        "Noah",
+        "Abigail",
+        "Daniel",
+        "Madison",
+        "Aiden" ,
+        "Chloe",
+        "Anthony",
+    }};
+    return names;
+}
+
+vector<string> Circle::playGame(int n, int m) {
+    vector<string> names = getNames();
+    vector<string> temp;
+    if(n < 10 or n > 20){
+        names = {};
+        return names;
+    }
+    if(m < 0){
+        names = {};
+        return names;
+    }
+    for(int i = 0; i < 20 - n; i++) {
+        names.pop_back();
+    }
+    names.push_back("Josephus"); //insures that Josephus will be in the game
+    int count = 0;
+    int threshold = 0;
+    for(int i = 0; i < n; i++) {
+        int hits = 0;
+        while(hits < m) {
+            if(names[count] == ""){
+            }
+            else {
+                hits++;
+            }
+            if(hits == m) {
+                temp.push_back(names[count]);
+                names[count] = "";
+                hits = 100;
+            }
+            count++;
+            if(count+1 > names.size()) {
+                count = 0;
+                threshold++;
+            }
+            if(threshold > 100) {   //threshold against infinite loop
+                hits = 100;
+            }
+        }
+    }
+    return temp;
+}
+
+int Circle::reportSafeIndex(int n, int m) { //uses similar function as playGame() to determine index
+    vector<string> names = getNames();
+    vector<string> temp;
+    int count = 0;
+    int threshold = 0;
+    if(n < 10 or n > 20){
+        return -1;
+    }
+    if(m < 0){
+        return -1;
+    }
+    for(int i = 0; i < 20 - n; i++) {
+        names.pop_back();
+    }
+    names.push_back("Josephus");
+    for(int i = 0; i < n; i++) {
+        int hits = 0;
+        while(hits < m) {
+            if(names[count] == ""){
+            }
+            else {
+                hits++;
+            }
+            if(hits == m) {
+                temp.push_back(names[count]);
+                names[count] = "";
+                hits = 100;
+            }
+            count++;
+            if(count+1 > names.size()) {
+                count = 0;
+                threshold++;
+            }
+            if(threshold > 100) { //incase of infinite loop due to improper input
+                hits = 100;
+            }
+        }
+    }
+    string index_holder = temp[n-1];
+    int index = 0;
+    names = getNames();
+    for(unsigned int i = 0; i < names.size(); i++){
+        if(names[i] == index_holder) {
+            index = i+1;
+        }
+    }
+    return index;
+}