c编程代码

# include & ltstdio.h & gt

void main()

{

char a,b,c;

for(a = ' x ';a & lt= ' za++)

{

如果(a!='x ')

for(b = ' x ');b & lt= ' zb++)

{

for(c = ' x ');c & lt= ' zc++)

如果(c!= ' x ' & amp& ampc!= ' z ' & amp& amp答!= b & amp& amp答!= c & amp& ampb!=c)

printf("a:%c\nb:%c\nc:%c\n ",a,b,c);

}

}

}