//文件名:].cpp
#pragma warning(disable:4786)
#include <string>
#include <vector>
#include <algorithm>
#include <iostream.h>
using namespace std;
class EventIsIn1997 
{public:
	bool operator () (string& EventRecord) 
	{return EventRecord.substr(12,4)=="1997";}  
};
void main (void) 
{
  vector<string> Events;
  Events.push_back("07 January  1995  Draft plan of house prepared");
  Events.push_back("07 February 1996  Detailed plan of house prepared");
  Events.push_back("10 January  1997  Client agrees to job");
  Events.push_back("15 January  1997  Builder starts work on bedroom");
  Events.push_back("30 April    1997  Builder finishes work");
  vector<string>::iterator EventIterator =find_if (Events.begin(), Events.end(), EventIsIn1997());
  if (EventIterator==Events.end()) { cout << "Event not found in vector" << endl; }
  else {cout << "Event found in vector"  << endl; }
}