不是直接输出的题解

#include<bits/stdc++.h>
using namespace std;
int main(){
for(int a=123;a<=987/3;a++){
int b=a2;
int c=a3;
int abc=a1000000+b1000+c;
char s[10];
sprintf(s,"%d",abc);
sort(s,s+9);
if(atoi(s)==123456789){
cout<<a<<" "<<b<<" "<<c<<endl;
}
}
}