电话号码对应英语单词（编程之美3.2）

// 3_2.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"

char c[10][10]=
{
"",
"",
"abc",
"def",
"jkl",
"mno",
"pqrs",
"tuv",
"wxyz",
};

int total[10] = {0,0,3,3,3,3,3,4,3,4};

int number[4] = {3,2,3,4};

int answer[4] = {0};

void recursive(int * number, int * answer, int index, int n)
{
if(index == n)
{
for(int i=0;i<n;i++)
printf("%c", c[number[i]][answer[i]]);
printf("\n");
return;
}
for(answer[index]=0;answer[index]<total[number[index]];answer[index]++)
{
recursive(number, answer, index+1, n);
}
}

int _tmain(int argc, _TCHAR* argv[])
{
recursive(number, answer, 0, 4);
return 0;
}