#include<stdio.h>
int main(){
int a,b,c,s,x=0;
for(a=1;a<=5;a++)
{
for(b=1;b<=5;b++)
{
if(a==b)
continue;
for(c=1;c<=5;c++)
{
if((c==a)||(c==b))
continue;
s=a*100+b*10+c;
printf("%d\n",s);
x++;}
}
}
printf("%d\n",x);
return 0;
}
转载于:https://www.cnblogs.com/P201821430028/p/10838740.html