[etc] 백준 1436 영화감독 숌

https://www.acmicpc.net/problem/1436

#include <iostream>
#include <string>
using namespace std;
 
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n, cnt = 0, num = 665;
    
    cin >> n;
    
    while(cnt != n){
        int tmp = 0;
        num++;
        string s = to_string(num);
        
        for(int i = 0; i < s.size(); i++){
            if(tmp ==3) break;
            
            if(s[i] == '6'){
                if(tmp==0) tmp +=1;
                else if(s[i-1] == '6') tmp+=1;
                else tmp = 0;
            }
            else tmp = 0;
        }
        
        if(tmp == 3) cnt++;
        
    }
    cout << num;
}

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