chenshuo

#include <vector>
#include <assert.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>

typedef int32_t Score;
typedef int32_t UserId;
typedef int32_t Rank;
const Score kInvalidScore = -1;

fxsjy

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <assert.h>
#include <signal.h>

#include <event2/event.h>
#include <event2/bufferevent.h>
#include <event2/buffer.h>
#include <event2/thread.h>

darkguy2008

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;

namespace UDP
{
    public class UDPSocket
    {
        private Socket _socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);