题解

#include<iostream>
using namespace std;
int main(){
int a,b,c,a1,a2,a3,b1,b2,b3,c1,c2,c3,n[9],y,z=0;
for(a=100;a<1000;a++){
b=a2;
c=a3;
a1=a/100;
a2=a/10%10;
a3=a%10;
b1=b/100;
b2=b/10%10;
b3=b%10;
c1=c/100;
c2=c/10%10;
c3=c%10;
n[0]=a1;
n[1]=a2;
n[2]=a3;
n[3]=b1;
n[4]=b2;
n[5]=b3;
n[6]=c1;
n[7]=c2;
n[8]=c3;
y=0;
for(int i=0;i<9;i++){
for(int j=i+1;j<9;j++){
if(n[i]==n[j]||n[i]0) y=1;
}
}
if(y0&&c<1000&&b<1000&&a<1000){
cout<<a<<" "<<b<<" "<<c<<endl;
z=1;
}
}
return 0;
}