#include

int a[5];

int len1,len2,len3;

void input(int len1,int len2,int len3)

{

printf("%d %d %d\n",a[len1],a[len2],a[len3]);

}

void solve(int len1,int len2,int len3)

{

input(len1,len2,len3);

if(len1==2) return;

if(len3

else if(len2

{

len2++;

len3=len2+1;

}

else if(len1

{

len1++;

len2=len1+1;

len3=len2+1;

}

solve(len1,len2,len3);

}

void main()

{

int i;

for(i=0;i

printf("所構成組合是:\n");

solve(0,1,2);

return ;

}