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贴个StL的代码。。。1.5s

Posted by ZxyElf at 2013-02-14 21:36:56 on Problem 1002
#include <iostream>
#include <map>
#include <string>
#include <algorithm>
#include <vector>
using namespace std;

bool cmp(const pair<string,int>& a,const pair<string,int>& b){
	for (int i=0;i<8;i++){
		if (a.first[i]==b.first[i]) continue;
		else return a.first[i]<b.first[i];
	}
	return true;
}

int main()
{
	int n,i,j,count;
	char marray[100];
	marray['1']='1';
	marray['0']='0';
	marray['A']=marray['B']=marray['C']=marray['2']='2';
	marray['D']=marray['E']=marray['F']=marray['3']='3';
	marray['G']=marray['H']=marray['I']=marray['4']='4';
	marray['J']=marray['K']=marray['L']=marray['5']='5';
	marray['M']=marray['N']=marray['O']=marray['6']='6';
	marray['P']=marray['R']=marray['S']=marray['7']='7';
	marray['T']=marray['U']=marray['V']=marray['8']='8';
	marray['W']=marray['X']=marray['Y']=marray['9']='9';
	cin>>n;
	char buf[1500];
	map<string,int> m;
	map<string,int>::iterator itr;
	for (i=0;i<n;i++){
		cin>>buf;
		count=0;
		string s;
		for (j=0;count<7;j++){
			if (buf[j]=='-') continue;
			s=s + marray[buf[j]];
			count++;
			if (count==3) s+='-';
		}
		if ((itr=m.find(s))==m.end())
			m.insert(make_pair(s,1));
		else
			(*itr).second++;
	}
	vector<	pair<string,int>> vec;
	for (itr=m.begin();itr!=m.end();itr++){
		if (itr->second>1)
		vec.insert(vec.end(),*itr);	
	}
	sort(vec.begin(),vec.end(),cmp);
	int total=vec.size();
	for (i=0;i<total;i++){
		cout<<vec[i].first<<' '<<vec[i].second<<endl;
	}
	if (vec.size()==0) cout<<"No duplicates."<<endl;
	return 0;
}



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