Felix021

int find(int R[],int low,int high,int t)
{
  int mid;
  if(high-low<=1)
  {
    if(t==R[high])return high;
    if(t==R[low])return low;
    return -1;  
  }  
  mid=(low+high)/2;
  if(t<=R[mid])return find(R,low,mid,t);
  else return find(R,mid+1,high,t);
}

#include<iostream>
#include <iomanip>
using namespace std;
#include <windows.h> [separator]

int main()
{

  SYSTEMTIME _time1,_time2;
  float interval;
  GetLocalTime(&_time1);
  /* Codes */
  Sleep(2050);  
  /* Codes */  
  GetLocalTime(&_time2);
  interval=(_time2.wMinute-_time1.wMinute)*60; /*间隔多少分钟*/
  interval+=_time2.wSecond-_time1.wSecond;/*间隔多少秒 */
  interval*=1000;/*转为毫秒*/
  interval+=(_time2.wMilliseconds-_time1.wMilliseconds);/*加上毫秒数*/
  interval/=1000;/*转为秒*/
  printf("The inteval is %f.",interval);

  cout <<"时间间隔是: "<<interval<<"s."<<endl;
  getchar();
  return 0;
}