#include <iostream>
#include <string>
#include <vector>
#include <map>
#include <stdlib.h>
#include <algorithm>
#include <math.h>

using namespace std;

inline int change(char a)
{
	switch (a){
		 
	 	case 'A':
	 	case 'B':
	 	case 'C': return 2;
	 	case 'D':
	 	case 'E':
	 	case 'F': return 3;
	 	case 'G':
	 	case 'H':
	 	case 'I': return 4;
	 	case 'J':
	 	case 'K':
	 	case 'L': return 5;
	 	case 'M':
	 	case 'N':
	 	case 'O': return 6;
	 	case 'P':
	 	case 'R':
	 	case 'S': return 7;
	 	case 'T':
	 	case 'U':
	 	case 'V': return 8;
	 	case 'W':
	 	case 'X':
	 	case 'Y': return 9;
	 	default:break;
	}
}

int convert(string number)
{
	int rNumber  = 0;
    //covert the letter to number
    string::iterator i = number.begin();
	for(int j = 6 ; i != number.end(); i++, j--)
	{
		 
	 	//trim the '-' in number
		if(*i == '-' || *i == 'Q' || *i == 'Z'){
			number.erase(i); i--,j++;continue;
		}else if(*i>='A' && *i <= 'Z'){
			//change letter to number
			rNumber += change(*i) * pow(10.0,j);
			continue;
		}else{
			rNumber += (*i - '0' ) * pow(10.0,j);
		}	 //ignore original number	
		 				 		 
	}
	
	return rNumber;
}

int Compare(const void  *one,const void *two)
{
	int a = *((int*)one);
    int b = *((int*)two);
	if (a<b)
       return -1;
    if (a == b)
       return 0;
    return 1;
}

int main(){
	
	//get the number of the list
	vector<string>::size_type nLen = 0;
	cin >> nLen;
	//map<string,int> resultList; 
	//input to numberList
	vector<int> numberList;
	
	for(int i = 0; i < nLen; i++)
	{
		string number;
		cin >> number;
		int result = convert(number);
		numberList.push_back(result);
/*		map<string,int>::iterator iter = resultList.find(result);
		if(iter == resultList.end())
		{
			pair<string,int> value(result,1);
			resultList.insert(value);
		}else{
			iter->second += 1;
		}*/
		
	}
	
	/*for(map<string,int>::iterator i = resultList.begin(); i != resultList.end(); i++)
	{
		if(i->second == 1)
		{
			//cout << i->first <<" No duplicates." << endl;
			continue;
		}else{
			cout << i->first <<" "<< i->second << endl;
		}
		//cout << i->first <<" "<< i->second << endl;
	}
	*/
	 
 
	
	qsort(&numberList[0],nLen,sizeof(int),Compare);
	
	bool flag = false;
	for(vector<int>::iterator i = numberList.begin(),j = i; i != numberList.end(); i = j )
	{
		
		int count  = 0;
		while(*i == *j){
			count++;
			j++;
		};
		
		if(count > 1)
		{
			cout << *i/10000<<"-"<<*i%10000<<" "<<count << endl;
			flag = true;
		}
		//if(j == numberList.end()) break;
	}
	
	if(!flag)cout<< "No duplicates.\n";
	
	return 0;
}

• Re:一直是WA，请高手看一下什么原因，谢谢 (2970) YaoJiaShu 2020-06-02 16:07:38