๐๏ธ Algorithm/๐ฉ ๋ฐฑ์ค
๐ฉ [๋ฐฑ์ค] [Python] [Gold5] 9251๋ฒ_LCS
Dbswnstjd
2023. 4. 21. 12:10
๋ฌธ์
https://www.acmicpc.net/problem/9251
9251๋ฒ: LCS
LCS(Longest Common Subsequence, ์ต์ฅ ๊ณตํต ๋ถ๋ถ ์์ด)๋ฌธ์ ๋ ๋ ์์ด์ด ์ฃผ์ด์ก์ ๋, ๋ชจ๋์ ๋ถ๋ถ ์์ด์ด ๋๋ ์์ด ์ค ๊ฐ์ฅ ๊ธด ๊ฒ์ ์ฐพ๋ ๋ฌธ์ ์ด๋ค. ์๋ฅผ ๋ค์ด, ACAYKP์ CAPCAK์ LCS๋ ACAK๊ฐ ๋๋ค.
www.acmicpc.net
ํ์ด
# ๋ฐฑ์ค 9251๋ฒ ๋ฌธ์ - LCS
str1 = ' ' + input()
str2 = ' ' + input()
dp = [[0]*len(str1) for _ in range(len(str2))]
for i in range(1, len(str2)):
for j in range(1, len(str1)):
if str2[i] == str1[j]:
dp[i][j] = dp[i-1][j-1] + 1
else:
dp[i][j] = max(dp[i-1][j], dp[i][j-1])
print(dp[-1][-1])