电话号码对应英语单词

#include <iostream>

using namespace std;

char c[10][10] =
{
    "",       //0
    "",       //1
    "ABC",    //2
    "DEF",    //3
    "GHI",    //4
    "JKL",    //5
    "MNO",    //6
    "PQRS",   //7
    "TUV",    //8
    "WXYZ",   //9
};

int total[10] = {0,0,3,3,3,3,3,4,3,4};
const int TelLength = 2;
int number[TelLength] = {4,2};
int answer[TelLength]={0};

//index表示号码的第几位
void search(int index)
{
    if(index==TelLength)
    {
        for(int i=0; i<TelLength; i++)
        {
            cout<<c[number[i]][answer[i]];
        }
        cout<<endl;
        return;
    }
    for(answer[index]=0; answer[index]<total[number[index]]; answer[index]++)
    {
        search(index+1);
    }
}
int main()
{
    search(0);
    return 0;
}