C语言如何实现组合后多条匹配条件过滤输出问题

C语言如何实现组合后多条匹配条件过滤输出问题
用C语言同时满足下列2个条件就输出源代码
(1)假定从1-15这15个数字中任选6个全组合输出(每行输出6个不相同数字,并且从小到大排列)
(2)将第一问得到数据过滤,当每一行6个数字含有下列9条4码中的2至5条(最少含有2条最多5条)就输出,结果共有62组就正确
01,02,03,06
01,02,03,08
01,02,03,09
02,05,06,08
02,06,07,08
05,06,07,09
06,08,09,10
08,09,10,11
06,07,08,13

#include <stdio.h>
#include <string.h>

FILE *fp = NULL;

int requirement[9][16];
int num[6];

void init()
{
    memset(requirement,0,sizeof(requirement));
    requirement[0][1] = requirement[0][2] = requirement[0][3] = requirement[0][6] = 1;
    requirement[1][1] = requirement[1][2] = requirement[1][3] = requirement[1][8] = 1;
    requirement[2][1] = requirement[2][2] = requirement[2][3] = requirement[2][9] = 1;
    requirement[3][2] = requirement[3][5] = requirement[3][6] = requirement[3][8] = 1;
    requirement[4][2] = requirement[4][6] = requirement[4][7] = requirement[4][8] = 1;
    requirement[5][5] = requirement[5][6] = requirement[5][7] = requirement[5][9] = 1;
    requirement[6][6] = requirement[6][8] = requirement[6][9] = requirement[6][10] = 1;
    requirement[7][8] = requirement[7][9] = requirement[7][10] = requirement[7][11] = 1;
    requirement[8][6] = requirement[8][7] = requirement[8][8] = requirement[8][13] = 1;
}

int check()
{
    int total = 0,i,tmp,j;
    for(i=0;i<9;i++)
    {
        tmp = 0;
        for(j=0;j<6;j++)
        tmp += requirement[i][ num[j] ];
        if(tmp == 4)
        total++;
    }
    if(total >= 2 && total <= 5)
    return 1;
    return 0;
}

void output()
{
    fprintf( fp , "%02d,%02d,%02d,%02d,%02d,%02d\n" , num[0] , num[1] , num[2] , num[3] , num[4] , num[5] );
}

void dfs(int dep,int lastnum)
{
    if(dep == 6)
    {
        if(check())
        {
            output();
        }
        return ;
    }
    int i;
    for(i=lastnum + 1 ; i<=15;i++)
    {
        num[dep] = i;
        dfs(dep+1,i);
    }
}

int main()
{
    fp = fopen("C://62.txt","w");
    if(fp == NULL)
    {
        printf("open file error!\n");
        return 0;
    }
    init();
    dfs(0,0);
    return 0;
} 输出：01,02,03,04,06,08
01,02,03,04,06,09
01,02,03,04,08,09
01,02,03,05,06,08
01,02,03,05,06,09
01,02,03,05,08,09
01,02,03,06,07,08
01,02,03,06,07,09
01,02,03,06,08,09
01,02,03,06,08,10
01,02,03,06,08,11
01,02,03,06,08,12
01,02,03,06,08,13
01,02,03,06,08,14
01,02,03,06,08,15
01,02,03,06,09,10
01,02,03,06,09,11
01,02,03,06,09,12
01,02,03,06,09,13
01,02,03,06,09,14
01,02,03,06,09,15
01,02,03,07,08,09
01,02,03,08,09,10
01,02,03,08,09,11
01,02,03,08,09,12
01,02,03,08,09,13
01,02,03,08,09,14
01,02,03,08,09,15
01,02,05,06,07,08
01,02,06,07,08,13
01,06,08,09,10,11
02,03,05,06,07,08
02,03,06,07,08,13
02,04,05,06,07,08
02,04,06,07,08,13
02,05,06,07,08,09
02,05,06,07,08,10
02,05,06,07,08,11
02,05,06,07,08,12
02,05,06,07,08,13
02,05,06,07,08,14
02,05,06,07,08,15
02,05,06,08,09,10
02,06,07,08,09,10
02,06,07,08,09,13
02,06,07,08,10,13
02,06,07,08,11,13
02,06,07,08,12,13
02,06,07,08,13,14
02,06,07,08,13,15
02,06,08,09,10,11
03,06,08,09,10,11
04,06,08,09,10,11
05,06,07,08,09,10
05,06,07,08,09,13
05,06,08,09,10,11
06,07,08,09,10,11
06,07,08,09,10,13
06,08,09,10,11,12
06,08,09,10,11,13
06,08,09,10,11,14
06,08,09,10,11,15