[백준온라인저지] 1463 - 1로 만들기

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https://www.acmicpc.net/problem/1463

1463번: 1로 만들기

import sys

n = int(sys.stdin.readline())

dp = [0 for _ in range(n+1)]

for i in range(2, n+1):
    dp[i] = dp[i-1] + 1  

    if i%2 == 0 and dp[i] > dp[i//2] + 1 :
        dp[i] = dp[i//2]+1
        
    if i%3 == 0 and dp[i] > dp[i//3] + 1 :
        dp[i] = dp[i//3] + 1

print(dp[n])