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4673.cpp
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#include <string>
#include <stdio.h>
#include <math.h>
#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <queue>
#include <stack>
#include <climits>
#include <set>
#define p(a, b) make_pair(a, b)
#define SWAP(a, b, type) do { \
type temp; \
temp = a; \
a = b; \
b = temp; \
} while (0)
#define INF 1000000000
#define endl '\n'
#define ll long long
using namespace std;
bool check[10001];
void input() {
}
void init() {
}
void solution() {
/* 모든 경우를 돌면서 값 확인 */
for(int i=1;i<=10000;i++){
if(!check[i]){
cout<<i<<'\n';
int x=i;
while(1){
int tmp=x;
int sum=0;
/* 새로운 d(n) 구하기 */
while(tmp>0){
sum+=(tmp%10);
tmp/=10;
}
x+=sum;
/* 10000을 넘어가면 탐색 중지 */
if(x>10000)break;
/* 이미 방문한 곳이라면 더 이상 확인 할 필요 없음 */
if(check[x]) break;
check[x]=true;
}
}
}
}
int main()
{
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
input();
solution();
return 0;
}