题解

原题：题目
简单的暴力枚举

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

bool goodnumber(int x){
    vector<int> v(10,0);
    bool ret=1;
    int numb=x;
    while(numb){
        v[numb%10]++;
        numb /= 10;
    }
    if(v[0]>0){
        return 0;
    }
    for(int i=0;i<10;i++){
        if(v[i] > 1) ret=0;
    }
    return ret;
}

int main(){
    int a=123,b,c;
    while(a<333){
        b = 2*a;
        c = 3*a;
        if(goodnumber(a+1000*b+1000000*c)) cout<<a<<" "<<b<< " "<<c<<endl;
        a++;
    }
    return 0;
}