백준 1713 후보 추천하기

정답코드

import sys
input=sys.stdin.readline
 
n=int(input())
student=int(input())
 
 
candidate={}
for idx,i in enumerate(list(map(int,input().split()))):
   if i in candidate:
       candidate[i][2]+=1
   else:
       if(len(candidate)==n):
           del candidate[sorted(list(candidate.values()),key=lambda x:(-x[2],-x[1]))[-1][0]] 
 
       candidate[i]=[i,idx,1]
 
 
 
 
print(' '.join(list(map(str,sorted(candidate.keys())))))