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Author: javaarchive

compilestandard.java

@@ -0,0 +1,28 @@
+import java.io.*;
+public class compilestandard extends usacotools {
+
+	public static void main(String[] args) throws IOException{
+		// TODO Auto-generated method stub
+		BufferedReader f;
+		if(args.length==1) {
+			if(args[0].equals("eclipse")) {
+				f=mreader("src/usacotools.java");
+			}else {
+				f=mreader("usacotools.java");
+			}
+			
+		}else {
+				f=mreader("usacotools.java");
+			}
+		
+		print("build");
+		
+		String st;
+		String full="";
+		
+		while ((st = f.readLine()) != null) {
+		    full=full+st+"\n";
+		  }
+	 	print(full.replace("if(!(lock)) {return null;}", ""));
+	}
+}

usacotools.java

@@ -1,4 +1,8 @@
-
+/*
+ * USACOTOOLS-Official version
+ * This is the official version.
+ * 
+ */
 import java.util.*;
 import java.io.*;
 public abstract class usacotools {
@@ -16,6 +20,11 @@ public abstract class usacotools {
 	public static String error="Error";
 	public static int debugcode=-1;
 	public static boolean DEBUG=false;
+	public static boolean lock;
+	public static boolean IO=true;
+	public static void blockio() {
+		IO=false;
+	}
 	public static boolean isrect(int[][] map,int x,int y) {
 		int cachedsize=-1;
 		int cachey=-1;
@@ -105,6 +114,7 @@ public static String changen(int position, char ch, String str){
 	    return new String(charArray);
 	}
 	public static BufferedReader mreader(String filen) throws IOException {
+		//Make a reader
 		return new BufferedReader(new FileReader(filen));
 	}
 	public static PrintWriter mwriter(String filen) throws IOException {
@@ -137,6 +147,7 @@ public static int binarySearch(int arr[], int l, int r, int x)
         return -1;
     }
 	public static int[][] copy2D(int[][] a){
+		if(!(lock)) {return null;}
 		int[][] b=new int[a.length][];
 		for(int i=0;i<a.length;i++) {
 			b[i]=new int[a[i].length];
@@ -147,6 +158,7 @@ public static int[][] copy2D(int[][] a){
 		return b;
 	}
 	public static int[] copyarr(int[] a) {
+		if(!(lock)) {return null;}
 		int[] b=new int[a.length];
 
 		for(int i=0;i<a.length;i++) {
@@ -155,10 +167,12 @@ public static int[] copyarr(int[] a) {
 		return b;
 	}
 	public static int ebs(int arr[], int l, int r, int x) {
+		
 		Arrays.sort(arr);
 		return binarySearch(arr, l,  r, x);
 	}
 	public static int lsearch(int[] a,int b) {
+		
 		for(int i=0;i<a.length;i++) {
 			if(a[i]==b) {
 				return i;
@@ -167,6 +181,7 @@ public static int lsearch(int[] a,int b) {
 		return -1;
 	}
 	public static void print(String out) {
+		
 		System.out.print(out+"\n");
 	}
 	public static void printf(String out) {
@@ -182,6 +197,7 @@ public static void print(String out,boolean flush) {
 		}
 	}
 	public static int[] toArray(ArrayList<Integer> arr) {
+		if(!(lock)) {return null;}
 		int[] stuff=new int[arr.size()];
 		for(int i=0;i<arr.size();i++) {
 			stuff[i]=arr.get(i);
@@ -190,6 +206,7 @@ public static int[] toArray(ArrayList<Integer> arr) {
 
 	}
 	public static String[] toArrays(ArrayList<String> arr) {
+		if(!(lock)) {return null;}
 		String[] stuff=new String[arr.size()];
 		for(int i=0;i<arr.size();i++) {
 			stuff[i]=arr.get(i);
@@ -210,6 +227,7 @@ public static long benchmark2() {
 		return System.nanoTime();
 	}
 	public static void clear(){
+		
 	    //Clears Screen in java
 	    try {
 	        if (System.getProperty("os.name").contains("Windows"))
@@ -309,6 +327,7 @@ public static int classify(char x,char off,char on) {
 
         }
         public static long slowfib(long num){
+        	//Slow recursion fibonnaci
     	if(num<=1) {
     		return num;
     	}
@@ -317,6 +336,9 @@ public static long slowfib(long num){
     }
     public static ArrayList<Long> fibmem=new ArrayList<Long>();
     public static long ffib(long n){
+    	/*
+    	 * Fibonnaci implemented with DP
+    	 */
     	if(n<=1) {
     		return n;
     	}
@@ -335,6 +357,7 @@ public static void setupfib() {
         fibmem.add((long) 0);fibmem.add((long)1);fibmem.add((long)1);fibmem.add((long)2);
     }
     public static void show2Darr(int[][] a) {
+    	//Print out a 2D array for you
     	for(int[] b:a) {
     		for(int c:b) {
     			print(c+" ","");
@@ -344,6 +367,7 @@ public static void show2Darr(int[][] a) {
     	}
     }
     public static void showarr(int[] a) {
+    	//Print out a array for you
     	for(int x:a) {print(x+" ");}
     }
 	public static int[][] dpcache;
@@ -366,62 +390,39 @@ public static int ks(int W,int[] wt,int[] val,int n) {
 	public static void kssetup(int n,int W) {
 		dpcache=new int[n+1][W+1];
 	}
-	public static void main(String[] args) throws Exception{
+	public static int count(int[] arr) {
 		/*
-		 * Short demo of stuff
-		 * Making an error would also demo error reporting
-		 * 
+		 * Number of groups of 1s
+		 * Modify for other purposes if needed
+		 * Example
+		 * 1111000111
+		 * Returns 2
 		 * 
 		 */
-		System.out.println("Running demo");
-		Scanner sc=getsysscan();
-		print("Welcome to the demo");
-		print(">","");
-		int val;
-		/*
-		int[][] testarray= {
-				{1,1,2,7,7,1,1,1},
-				{1,1,4,0,7,1,2,2},
-				{0,3,6,9,1,0,0,0},
-				{0,3,0,1,0,0,0,0},
-				{0,3,0,0,0,0,0,0},
-				{1,1,5,1,3,1,1,1},
-				{1,1,1,1,3,1,1,1},
-		};
-		*/
-		int[][] testarray= {
-				{1,2,3,1},
-				{4,5,6,2},
-				{7,8,9,3},
-				{10,69,1,4}
-				
-		};
-		print("Roation of 90 degrees\n Before \n ");
-		show2Darr(testarray);
-		print("After \n");
-		show2Darr(rotate90cw(testarray));
-		print("BEFORE:");
-		int[][] ii= {
-				{1,1,2,3},
-				{1,0,2,1},
-				{1,1,1,1},
-				{1,2,3,4}
-		};
-		show2Darr(ii);
-		print("After H reflect:");
-		show2Darr(reverseh(ii));
-		
-		try {
-		  val=sc.nextInt();
-		}catch(Exception e) {
-			print("Oops that did not go well please rerun and choose a INTEGER");
-			val=-1;
-			report(e);
-			print("How about we test error reporting");
-			console();
-		}
-		if(1==val) {
-			
+		boolean b=false;int c=0;int temp;
+		for(int i=0;i<arr.length;i++) {
+			temp=arr[i];
+			if(temp==0 && b) {
+				b=false;
+				c++;
+			}
+			if(temp==1 && b==false) {
+				b=true;
+			}
 		}
+		return c;
+	}
+	private static boolean _lock=false;
+	public static void NOLOCK() {
+		_lock=true;
+	}
+	public static void LOCK() {
+		if(!(_lock)) {lock=true;}
+	}
+	public static void UNLOCK() {
+		if(!(_lock)) {lock=false;}
+	}
+	public static void main(String[] args) throws Exception{
+		print("the demo has been removed do to lack of support. Instead we display info about the library.");
 	}
 }