practivceAlgorithm/swexpertacademy
[SWEA][Python] 1216 회문2
findTheValue
2021. 8. 17. 14:37
회문 1은 1개만 찾으면 됐지만 회문2는 모든 회문중 가장 긴 문자열을 찾는다.
import sys
sys.stdin = open('input.txt')
def find_palindrome(sentences):
for k in range(100, 0, -1):
for i in range(100):
for j in range(100-k+1):
if sentences[i][j] == sentences[i][j+k-1]:
left = j
right = j+k-1
while sentences[i][left] == sentences[i][right] and left <= right:
left += 1
right -= 1
if left < right:
continue
else:
max_length = k
return max_length
for _ in range(10):
test = int(input())
palindrome = [list(input().rstrip()) for _ in range(100)]
result1 = find_palindrome(palindrome)
reverse_palindrome = list(zip(*palindrome))
result2 = find_palindrome(reverse_palindrome)
print(f"#{test} {max(result1,result2)}")