简单题

#include 
      
       #include 
       
        #include 
        
         #include 
         
          using namespace std;#define maxn 10001bool is_self[maxn];int generate(int a){    int ret = a;    while (a)    {        ret += a % 10;        a /= 10;    }    return ret;}int main(){    for (int i = 1; i < maxn; i++)        is_self[i] = true;    for (int i = 1; i < maxn; i++)    {        if (is_self[i])            printf("%d\n", i);        int temp = generate(i);        if (temp < maxn)            is_self[temp] = false;    }    return 0;}