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贴个StL的代码。。。1.5s#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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