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;
}