백준 5615 아파트 임대(실패)

www.acmicpc.net/problem/5615

5615번: 아파트 임대

N = int(input())

area=[]
for i in range(N):
    area.append(int(input()))

area.sort()

result=[]
for i in range(1,N):
    for j in range(1,N):
        if(i+j+2*i*j)<=area[N-1]:
            if (i+j+2*i*j) not in result:
                result.append((i+j+2*i*j))
result.sort()
print(area)
print(result)
cnt=0                
for i in range(N):
    for j in range(len(result)):
        if area[i]==result[j]:
            cnt+=1
print(N-cnt)