단어 정렬
풀이 1 -> 시간 초과 에러
import sys
n = int(sys.stdin.readline().strip())
words = list(sys.stdin.readline().strip() for i in range(n))
words.sort()
for i in range(n):
for j in range(i+1,n):
if len(words[i]) > len(words[j]):
tmp = words[i]
words[i] = words[j]
words[j] = tmp
for i in range(n):
print(words[i])
풀이 2 from 구글링 ㅎㅎ,,
import sys
n = int(sys.stdin.readline())
words = list(sys.stdin.readline().strip() for i in range(n))
words = list(set(words))
words.sort()
words.sort(key = len)
for i in words:
print(i)
#2839 설탕 배달
import sys
n = int(sys.stdin.readline())
cnt = 0
while n % 5 != 0 and n > 0:
n -= 3
cnt += 1
cnt += n // 5
if n % 5 == 0:
print(cnt)
else:
print(-1)
#1463 1로 만들기
import sys
n = int(sys.stdin.readline())
d = [0]*(n+1)
for i in range(2,n+1):
d[i] = d[i-1]+1
if i % 3 == 0:
d[i] = min(d[i],d[i//3]+1)
if i % 2 == 0:
d[i] = min(d[i],d[i//2]+1)
print(d[n])
#1929번 소수 구하기
m,n = map(int,input().split())
for i in range(m,n+1):
for j in range(2,i+1):
if j == i:
print(i)
if i % j == 0:
break