내 풀이

class Solution {
    public int solution(int n) {
        int answer = 0;
        int pac = 1 ;      
        for (int i = 1 ; i <=n;i++ ){
            pac *=i;
            if(pac > n){
                answer = i-1;
                break;
            }else if(pac == n){
                answer = i;
                break;
            }   
        }
        return answer;
    }
}