public void Method1_Implement_Queue_Using_Stack_EnQueueIsCostly(int[] arr)
{
/*
* Complexity Analysis:
* Time Complexity:
* Push operation: O(1).
* Same as pop operation in stack.
* Pop operation: O(N).
* In the worst case we have empty whole of stack 1 into stack 2
* Auxiliary Space: O(N).
* Use of stack for storing values.
*/
var Queue = new StackQueue <int>();
foreach (var item in arr)
{
Queue.EnQueue1(item);
}
for (int i = 0; i < arr.Length; i++)
{
var data = Queue.DeQueue1();
Assert.Equal(arr[i], data);
output.WriteLine(data.ToString());
}
}
public void Method2_Implement_Queue_Using_Stack_DeQueueIsCostlyAtFirstTime(int[] arr)
{
/* MUCH MORE FASTER!
* Complexity Analysis:
* Time Complexity:
* Push operation : O(1).
* Same as pop operation in stack.
* Pop operation : O(N).
* The difference from above method1 is that in this method element is returned and all elements are restored back in a single call.
* Auxiliary Space: O(N).
* Use of stack for storing values.
*/
var Queue = new StackQueue <int>();
foreach (var item in arr)
{
Queue.EnQueue2(item);
}
for (int i = 0; i < arr.Length; i++)
{
var data = Queue.DeQueue2();
Assert.Equal(arr[i], data);
output.WriteLine(data.ToString());
}
}
public void Add(ModuleDefinition module)
{
StackQueue <TypeDefinition> type_definitions = new StackQueue <TypeDefinition>();
StackQueue <TypeDefinition> type_definitions_closure = new StackQueue <TypeDefinition>();
foreach (TypeDefinition td in module.Types)
{
type_definitions.Push(td);
}
while (type_definitions.Count > 0)
{
TypeDefinition ty = type_definitions.Pop();
type_definitions_closure.Push(ty);
foreach (TypeDefinition ntd in ty.NestedTypes)
{
type_definitions.Push(ntd);
}
}
foreach (TypeDefinition td in type_definitions_closure)
{
foreach (MethodDefinition definition in td.Methods)
{
Add(definition);
}
}
}
public static System.Collections.Generic.IEnumerable <T> Sort <T, E>
(IGraph <T, E> graph, IEnumerable <T> source)
where E : IEdge <T>
{
Dictionary <T, bool> Visited = new Dictionary <T, bool>();
StackQueue <T> Stack = new StackQueue <T>();
foreach (T v in graph.Vertices)
{
Visited[v] = false;
}
foreach (T v in source)
{
Stack.Push(v);
}
while (Stack.Count != 0)
{
T u = Stack.Pop();
Visited[u] = true;
yield return(u);
foreach (T v in graph.ReversePredecessors(u))
{
if (!Visited[v] && !Stack.Contains(v))
{
Stack.Push(v);
}
}
}
}
public IEnumerator <Mono.Cecil.MethodDefinition> GetEnumerator()
{
StackQueue <Mono.Cecil.TypeDefinition> type_definitions = new StackQueue <Mono.Cecil.TypeDefinition>();
StackQueue <Mono.Cecil.TypeDefinition> type_definitions_closure = new StackQueue <Mono.Cecil.TypeDefinition>();
foreach (Mono.Cecil.TypeDefinition td in _module.Types)
{
type_definitions.Push(td);
}
while (type_definitions.Count > 0)
{
Mono.Cecil.TypeDefinition td = type_definitions.Pop();
type_definitions_closure.Push(td);
foreach (Mono.Cecil.TypeDefinition ntd in td.NestedTypes)
{
type_definitions.Push(ntd);
}
}
foreach (Mono.Cecil.TypeDefinition type in type_definitions_closure)
{
foreach (Mono.Cecil.MethodDefinition method in type.Methods)
{
yield return(method);
}
}
}
public void StackQueueDequeuTest()
{
StackQueue sq = new StackQueue();
sq.Enqueue(new StackQueueElement()
{
ElementValue = 1
});
sq.Enqueue(new StackQueueElement()
{
ElementValue = 2
});
sq.Enqueue(new StackQueueElement()
{
ElementValue = 3
});
StackQueueElement ele = sq.Dequeue();
Assert.AreEqual(1, ele.ElementValue);
StackQueueElement ele2 = sq.Dequeue();
Assert.AreEqual(2, ele2.ElementValue);
}
static void Main(string[] args)
{
var operatingUnitName = "陳俊欽-紅不讓手機配件-鳳山店";
var index = operatingUnitName.IndexOf("-") + 1;
var storeName = operatingUnitName.Substring(index, operatingUnitName.Length - index);
var v1 = 0 / 2;
var v2 = 1 / 2;
var v3 = 2 / 2;
var aa = new List <string>()
{
"a", "b", "c", "d", "e", "f", "g"
};
var a = aa.Select((item, inx) => new { item, inx })
.GroupBy(x => x.inx / 2);
var myStackQueue = new StackQueue <int>(); //T is now int
myStackQueue.Enqueue(1);
myStackQueue.Push(2);
myStackQueue.Push(3);
myStackQueue.Enqueue(4);
//At this point, the collection is { 3, 2, 1, 4 }
foreach (var item in myStackQueue)
{
Console.WriteLine(item);
}
}
public void Stack_And_Queue()
{
var sq = new StackQueue <int>();
for (var i = 0; i < 5; i++)
{
if (i % 2 == 0)
{
sq.Push(i);
}
else
{
sq.Enqueue(i);
}
}
// 4 (push)
// 3 (enqueue)
// 2 (push)
// 1 (enqueue)
// 0 (push)
Assert.AreEqual(4, sq.Pop());
Assert.AreEqual(0, sq.Dequeue());
Assert.AreEqual(3, sq.Pop());
Assert.AreEqual(1, sq.Dequeue());
Assert.AreEqual(2, sq.Pop());
}
public STATE(Dictionary <CFG.Vertex, bool> visited,
Dictionary <CFG.Vertex, STATE <T> > states_in,
Dictionary <CFG.Vertex, STATE <T> > states_out,
CFG.Vertex bb,
Action <STATE <T>, Dictionary <CFG.Vertex, STATE <T> >, Dictionary <CFG.Vertex, STATE <T> >, CFG.Vertex> custom_initializer
)
{
// Set up a state that is a copy of another state.
_stack = new StackQueue <T>();
int in_level = -1;
int args = bb.StackNumberOfArguments;
bool scalar_ret = bb.HasScalarReturnValue;
bool struct_ret = bb.HasStructReturnValue;
bool has_this = bb.HasThis;
int locals = bb.StackNumberOfLocals;
// Use predecessor information to get initial stack size.
if (bb.IsEntry)
{
in_level = bb.StackNumberOfLocals + bb.StackNumberOfArguments;
}
else
{
foreach (CFG.Vertex pred in bb._graph.PredecessorNodes(bb))
{
// Do not consider interprocedural edges when computing stack size.
if (pred._original_method_reference != bb._original_method_reference)
{
throw new Exception("Interprocedural edge should not exist.");
}
// If predecessor has not been visited, warn and do not consider.
// Warn if predecessor does not concur with another predecessor.
if (in_level != -1 && states_out.ContainsKey(pred) && states_out[pred]._stack.Count != in_level)
{
System.Console.Error.WriteLine("Inconsistent stack size on inputs to basic block " + bb);
foreach (CFG.Vertex error_pred in bb._graph.PredecessorNodes(bb))
{
System.Console.Error.WriteLine("Predecessor " + error_pred
+ " has stack size on exit of "
+ states_out[error_pred]._stack.Count);
}
throw new Exception("Miscalculation in stack size "
+ "for basic block " + bb);
}
if (states_out.ContainsKey(pred))
{
in_level = states_out[pred]._stack.Count;
}
}
}
if (in_level == -1)
{
throw new Exception("Predecessor edge computation screwed up.");
}
int level = in_level;
custom_initializer(this, states_in, states_out, bb);
}
public static Mono.Cecil.MethodDefinition ConvertToMonoCecilMethodDefinition(System.Reflection.MethodBase mi)
{
// Get assembly name which encloses code for kernel.
String kernel_assembly_file_name = mi.DeclaringType.Assembly.Location;
// Get directory containing the assembly.
String full_path = Path.GetFullPath(kernel_assembly_file_name);
full_path = Path.GetDirectoryName(full_path);
String kernel_full_name = null;
// Get full name of kernel, including normalization because they cannot be compared directly with Mono.Cecil names.
if (mi as System.Reflection.MethodInfo != null)
{
System.Reflection.MethodInfo mik = mi as System.Reflection.MethodInfo;
kernel_full_name = string.Format("{0} {1}.{2}({3})", mik.ReturnType.FullName, Campy.Utils.Utility.RemoveGenericParameters(mi.ReflectedType), mi.Name, string.Join(",", mi.GetParameters().Select(o => string.Format("{0}", o.ParameterType)).ToArray()));
}
else
{
kernel_full_name = string.Format("{0}.{1}({2})", Campy.Utils.Utility.RemoveGenericParameters(mi.ReflectedType), mi.Name, string.Join(",", mi.GetParameters().Select(o => string.Format("{0}", o.ParameterType)).ToArray()));
}
kernel_full_name = Campy.Utils.Utility.NormalizeSystemReflectionName(kernel_full_name);
// Decompile entire module.
Mono.Cecil.ModuleDefinition md = Mono.Cecil.ModuleDefinition.ReadModule(kernel_assembly_file_name);
// Examine all types, and all methods of types in order to find the lambda in Mono.Cecil.
List <Type> types = new List <Type>();
StackQueue <Mono.Cecil.TypeDefinition> type_definitions = new StackQueue <Mono.Cecil.TypeDefinition>();
StackQueue <Mono.Cecil.TypeDefinition> type_definitions_closure = new StackQueue <Mono.Cecil.TypeDefinition>();
foreach (Mono.Cecil.TypeDefinition td in md.Types)
{
type_definitions.Push(td);
}
while (type_definitions.Count > 0)
{
Mono.Cecil.TypeDefinition ty = type_definitions.Pop();
type_definitions_closure.Push(ty);
foreach (Mono.Cecil.TypeDefinition ntd in ty.NestedTypes)
{
type_definitions.Push(ntd);
}
}
foreach (Mono.Cecil.TypeDefinition td in type_definitions_closure)
{
foreach (Mono.Cecil.MethodDefinition md2 in td.Methods)
{
String md2_name = Campy.Utils.Utility.NormalizeMonoCecilName(md2.FullName);
if (md2_name.Contains(kernel_full_name))
{
return(md2);
}
}
}
return(null);
}
public ListSection <T> _locals; // Pointer to _stack, if there are local variables to the method.
public STATE()
{
_stack = new StackQueue <T>();
_this = null;
_arguments = null;
_locals = null;
_struct_ret = null;
}
private IMPORTER()
{
Cfg = new CFG();
_methods_to_do = new StackQueue <MethodReference>();
_methods_done = new List <string>();
_methods_avoid.Add("System.Void System.ThrowHelper::ThrowArgumentOutOfRangeException()");
_methods_avoid.Add("System.Void System.ThrowHelper::ThrowArgumentOutOfRangeException()");
_methods_avoid.Add("System.Void System.ArgumentOutOfRangeException::.ctor(System.String, System.String)");
}
public STATE(STATE <T> other)
{
_stack = new StackQueue <T>();
for (int i = 0; i < other._stack.Count; ++i)
{
_stack.Push(other._stack.PeekBottom(i));
}
_struct_ret = _stack.Section(other._struct_ret.Base, other._struct_ret.Len);
_this = _stack.Section(other._this.Base, other._this.Len);
_arguments = _stack.Section(other._arguments.Base, other._arguments.Len);
_locals = _stack.Section(other._locals.Base, other._locals.Len);
}
public static void testStackQueue()
{
StackQueue queue = new StackQueue();
queue.enqueue(1);
queue.enqueue(2);
queue.enqueue(3);
queue.enqueue(4);
queue.enqueue(5);
var peek = queue.peek();
Console.WriteLine(peek);
Console.WriteLine(queue.ToString());
}
static void Main(string[] args)
{
var queryCnt = Convert.ToInt32(Console.ReadLine());
var stackQueue = new StackQueue();
var queryList = new List <string>();
for (int i = 0; i < queryCnt; i++)
{
var fullQuery = Console.ReadLine();
queryList.Add(fullQuery);
}
stackQueue.ProcessQuery(queryList);
Console.ReadKey();
}
public void Queue()
{
var sq = new StackQueue <int>();
for (var i = 0; i < 3; i++)
{
sq.Enqueue(i);
}
var expected = 0;
while (sq.Count > 0)
{
var next = sq.Dequeue();
Assert.AreEqual(expected, next);
expected++;
}
}
public void Stack()
{
var sq = new StackQueue <int>();
for (var i = 0; i < 3; i++)
{
sq.Push(i);
}
var expected = 2;
while (sq.Count > 0)
{
var next = sq.Pop();
Assert.AreEqual(expected, next);
expected--;
}
}
public void Q3_6()
{
var stack = new Stack <int>();
stack.Push(3);
stack.Push(4);
stack.Push(2);
stack.Push(5);
stack.Push(1);
var sortedStack = StackQueue.Q6_Sort(stack);
Assert.AreEqual(5, sortedStack.Pop());
Assert.AreEqual(4, sortedStack.Pop());
Assert.AreEqual(3, sortedStack.Pop());
Assert.AreEqual(2, sortedStack.Pop());
Assert.AreEqual(1, sortedStack.Pop());
}
//SOL
private static void solve(int[] arr, InOut.Ergebnis erg)
{
StackQueue <int> q = new StackQueue <int>();
string s = "";
foreach (int i in arr)
{
if (i != -1)
{
q.Enqueue(i);
}
else
{
s += " " + q.Dequeue();
}
}
erg.Setze(s.Trim(' '));
}
public static Mono.Cecil.TypeDefinition ConvertToMonoCecilTypeDefinition(Type ty)
{
// Get assembly name which encloses code for kernel.
String kernel_assembly_file_name = ty.Assembly.Location;
// Get directory containing the assembly.
String full_path = Path.GetFullPath(kernel_assembly_file_name);
full_path = Path.GetDirectoryName(full_path);
// Decompile entire module.
Mono.Cecil.ModuleDefinition md = Mono.Cecil.ModuleDefinition.ReadModule(kernel_assembly_file_name);
// Examine all types, and all methods of types in order to find the lambda in Mono.Cecil.
List <Type> types = new List <Type>();
StackQueue <Mono.Cecil.TypeDefinition> type_definitions = new StackQueue <Mono.Cecil.TypeDefinition>();
StackQueue <Mono.Cecil.TypeDefinition> type_definitions_closure = new StackQueue <Mono.Cecil.TypeDefinition>();
foreach (Mono.Cecil.TypeDefinition td in md.Types)
{
type_definitions.Push(td);
}
while (type_definitions.Count > 0)
{
Mono.Cecil.TypeDefinition td = type_definitions.Pop();
if (Campy.Utils.Utility.IsSimilarType(ty, td))
{
return(td);
}
type_definitions_closure.Push(td);
foreach (Mono.Cecil.TypeDefinition ntd in td.NestedTypes)
{
type_definitions.Push(ntd);
}
}
foreach (Mono.Cecil.TypeDefinition td in type_definitions_closure)
{
if (Campy.Utils.Utility.IsSimilarType(ty, td))
{
return(td);
}
}
return(null);
}
public void StackQueueAddedItemCountTest()
{
StackQueue sq = new StackQueue();
sq.Enqueue(new StackQueueElement()
{
ElementValue = 1
});
sq.Enqueue(new StackQueueElement()
{
ElementValue = 2
});
sq.Enqueue(new StackQueueElement()
{
ElementValue = 3
});
Assert.AreEqual(3, sq.Count());
}
private static StackQueue <TItem> OneStep(StackQueue <TItem> q)
{
if (q._isRecopying && !q.H.IsEmpty() && !q.T.IsEmpty())
{
q._nowCopying++;
q.HH.Push(q.T.Pop());
q.Hr.Push(q.H.Pop());
}
else if (q._isRecopying && q.H.IsEmpty() && !q.T.IsEmpty())
{
q._isRecopying = true;
q.HH.Push(q.T.Pop());
}
else if (q._isRecopying && q.H.IsEmpty() && q.T.IsEmpty() && q._nowCopying > 1)
{
q._isRecopying = true;
q._nowCopying--;
q.HH.Push(q.Hr.Pop());
}
else if (q._isRecopying && q.H.IsEmpty() && q.T.IsEmpty() && q._nowCopying == 1)
{
q._isRecopying = false;
q._nowCopying--;
q.HH.Push(q.Hr.Pop());
q.H = q.HH;
q.T = q.TT;
q.HH = new Stack <TItem>();
q.TT = new Stack <TItem>();
q.Hr = new Stack <TItem>();
q.h = new Stack <TItem>();
}
else if (q._isRecopying && q.H.IsEmpty() && q.T.IsEmpty() && q._nowCopying == 0)
{
q._isRecopying = false;
q.H = q.HH;
q.T = q.TT;
q.HH = new Stack <TItem>();
q.TT = new Stack <TItem>();
q.Hr = new Stack <TItem>();
q.h = new Stack <TItem>();
}
return(q);
}
public static Type ConvertToSystemReflectionType(Mono.Cecil.TypeDefinition td)
{
// Find equivalent to type definition in Mono to System Reflection type.
// get module.
String assembly_location = td.Module.FullyQualifiedName;
System.Reflection.Assembly assembly = System.Reflection.Assembly.LoadFile(assembly_location);
List <Type> types = new List <Type>();
StackQueue <Type> type_definitions = new StackQueue <Type>();
StackQueue <Type> type_definitions_closure = new StackQueue <Type>();
foreach (Type t in assembly.GetTypes())
{
type_definitions.Push(t);
}
while (type_definitions.Count > 0)
{
Type t = type_definitions.Pop();
if (Campy.Utils.Utility.IsSimilarType(t, td))
{
return(t);
}
type_definitions_closure.Push(t);
foreach (Type ntd in t.GetNestedTypes())
{
type_definitions.Push(ntd);
}
}
foreach (Type t in type_definitions_closure)
{
if (Campy.Utils.Utility.IsSimilarType(t, td))
{
return(t);
}
}
return(null);
}
private static void PerformQueueOps()
{
// Queue using array
var arrayQueue = new ArrayQueue <int>(5);
arrayQueue.Enqueue(10);
arrayQueue.Enqueue(20);
arrayQueue.Enqueue(30);
Console.WriteLine(arrayQueue.Dequeue());
Console.WriteLine(arrayQueue.Dequeue());
arrayQueue.Enqueue(40);
arrayQueue.Enqueue(50);
arrayQueue.Enqueue(60);
arrayQueue.Enqueue(70);
// Queue using stack
Console.WriteLine(arrayQueue.ToString());
var stackQueue = new StackQueue <int>();
stackQueue.Enqueue(10);
stackQueue.Enqueue(20);
stackQueue.Enqueue(30);
Console.WriteLine(stackQueue.Dequeue());
Console.WriteLine(stackQueue.Dequeue());
Console.ReadLine();
//Priority Queue
var priorityQueue = new PriorityQueue(5);
priorityQueue.Enqueue(10);
priorityQueue.Enqueue(8);
priorityQueue.Enqueue(9);
priorityQueue.Enqueue(7);
Console.WriteLine(priorityQueue.ToString());
Console.ReadLine();
}
public void VisitNodes(Func <T, bool> func)
{
foreach (T v in graph.Vertices)
{
Visited[v] = false;
}
// Initialize all workers with
// empty stack.
Stack = new StackQueue <Tuple <T, StackQueue <T> > > [NumberOfWorkers];
for (int i = 0; i < NumberOfWorkers; ++i)
{
Stack[i] = new StackQueue <Tuple <T, StackQueue <T> > >(
new Tuple <T, StackQueue <T> >(default(T), new StackQueue <T>()));
}
// Initialize first worker with stack containing all sources.
foreach (T v in Source)
{
Stack[0].PeekTop().Item2.Push(v);
}
// Spawn workers.
Parallel.For(0, NumberOfWorkers, (int index) =>
{
bool terminate = false;
while (!terminate)
{
T u = default(T);
GetWork(index);
while (Stack[index].Count >= 1 && Stack[index].PeekTop().Item2.Count > 0)
{
// There is stuff in the to do list. Pop it and perform dfs
// expansion of the vertex.
// Safe: No other threads will grab nodes within the cutoff,
// and no other threads can change this stack size.
StackQueue <T> todo = Stack[index].PeekTop().Item2;
u = todo.Pop();
Visited[u] = true;
// visit.
// yield return u;
//System.Console.WriteLine("visit " + u);
bool term = func(u);
if (term)
{
Terminate = true;
break;
}
// Push successors.
StackQueue <T> items = new StackQueue <T>();
foreach (T v in graph.ReverseSuccessors(u))
{
if (!Visited[v] && !SpecialContains(index, v))
{
items.Push(v);
}
}
if (items.Count != 0)
{
// Add new backtrack and to do list.
Stack[index].Push(
new Tuple <T, StackQueue <T> >(u, items));
}
// Synchronize threads on stack.
GetWork(index);
}
// Check for termination.
terminate = TerminateTest();
}
});
}
// Copy work from another thread to thread "index_successors".
void GetWork(int index)
{
lock (Stack[index])
{
// Clean up.
while (Stack[index].Count > 1 && Stack[index].PeekTop().Item2.Count == 0)
{
Stack[index].Pop();
}
// Check if there is work.
if (!(Stack[index].Count == 1 && Stack[index].PeekTop().Item2.Count == 0))
{
return;
}
}
bool done = false;
int from = 0;
for (int j = 0; j < NUMRETRY - 1; ++j)
{
from = (from + 1) % NumberOfWorkers;
lock (Stack[from])
{
if (Stack[from].Count > CutOff)
{
// Check if there actually is work in Stack[from].
// There may be a stack full of empty "todo" work lists, in which case the
// thread that owns the stack hasn't yet cleaned up.
int count = 0;
for (int i = 0; i < Stack[from].Count - CutOff; ++i)
{
count += Stack[from].PeekBottom(i).Item2.Count;
}
if (count <= 1)
{
continue;
}
count = count / 2;
if (count < 1)
{
continue;
}
//System.Console.WriteLine("Stealing " + count + " work items from " + from + " to " + index_successors);
// Work is available at the stack of threads.
// Grab "count" nodes to work on.
// Copy stack "from" to "index_successors",
// and then divide the two stacks into disjoint sets of
// vertices.
StackQueue <Tuple <T, StackQueue <T> > > new_stack =
new StackQueue <Tuple <T, StackQueue <T> > >();
for (int i = 0; i < Stack[from].Count - CutOff && count > 0; ++i)
{
Tuple <T, StackQueue <T> > tf = Stack[from].PeekBottom(i);
T tb = tf.Item1;
StackQueue <T> s = tf.Item2;
// Make partitions.
StackQueue <T> work = new StackQueue <T>();
for ( ; count > 0 && s.Count != 0; --count)
{
T v = s.DequeueBottom(); // Side effect removing work.
work.Push(v);
}
Tuple <T, StackQueue <T> > tt =
new Tuple <T, StackQueue <T> >(tb, work);
new_stack.Push(tt);
}
// assign new stack.
Stack[index] = new_stack;
// Dump stacks.
//Dump();
done = true;
}
}
if (done)
{
return;
}
}
}
