[Lv.2] 영어단어 끝말잇기

https://programmers.co.kr/skill_checks/28389

프로그래머스

using System;
using System.Collections.Generic;
using System.Collections;
using System.Text;
using System.Linq;
 
class Solution
{
    public int[] solution(int n, string[] words)
    {
        string prevWord = "";
            int idx = 1;
            string[] temp = new string[words.Length];
            int[] answer = new int[2];
 
            for(int i = 0; i<words.Length; i++){
                if(i % n == 0){
                    idx = 1;
                }else{
                    idx++;
                }
                var currentWord = words[i];
                
                if(temp.Any(x=>x == currentWord)){
                    Console.WriteLine("[같은 단어를 사용] {0}번째 사람, {1}번째 말함", idx, (int)(i/n) + 1 );
                    answer[0] = idx;
                    answer[1] = (int)(i/n) + 1;
                    break;
                }else{
 
                    temp[i] = currentWord;
 
                    if(string.IsNullOrEmpty(prevWord)){
                        prevWord = currentWord;
                        Console.WriteLine("{0}번째 사람: {1}", idx, currentWord);
                    }else{
                        var lastWord = prevWord.Substring(prevWord.Length-1);
                        var firstWord = currentWord.Substring(0, 1);
 
                        Console.WriteLine("{0}번째 사람: {1} {2} {3}", idx, lastWord, currentWord, firstWord);
 
                        if(lastWord == firstWord){
                            prevWord = currentWord;
                        }else{
                            Console.WriteLine("[끝말 틀림] {0}번째 사람, {1}번째 말함", idx, (int)(i/n) + 1);
                            answer[0] = idx;
                            answer[1] = (int)(i/n) + 1;
                            break;
                        }
                    }
                }//end else 
            }//end for 
 
            return answer;
    }
}