結果

問題 No.1512 作文
ユーザー McGregorshMcGregorsh
提出日時 2023-05-21 12:55:53
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 350 ms / 2,000 ms
コード長 2,226 bytes
コンパイル時間 262 ms
コンパイル使用メモリ 86,788 KB
実行使用メモリ 97,324 KB
最終ジャッジ日時 2023-08-23 15:03:56
合計ジャッジ時間 12,857 ms
ジャッジサーバーID
(参考情報)
judge12 / judge14
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 233 ms
92,212 KB
testcase_01 AC 233 ms
92,024 KB
testcase_02 AC 228 ms
92,192 KB
testcase_03 AC 230 ms
92,080 KB
testcase_04 AC 348 ms
96,896 KB
testcase_05 AC 346 ms
97,324 KB
testcase_06 AC 344 ms
96,948 KB
testcase_07 AC 345 ms
96,672 KB
testcase_08 AC 350 ms
97,020 KB
testcase_09 AC 226 ms
92,104 KB
testcase_10 AC 227 ms
92,120 KB
testcase_11 AC 229 ms
92,392 KB
testcase_12 AC 232 ms
92,256 KB
testcase_13 AC 226 ms
92,044 KB
testcase_14 AC 280 ms
93,880 KB
testcase_15 AC 303 ms
94,440 KB
testcase_16 AC 282 ms
94,124 KB
testcase_17 AC 276 ms
94,100 KB
testcase_18 AC 273 ms
94,144 KB
testcase_19 AC 277 ms
93,904 KB
testcase_20 AC 278 ms
93,896 KB
testcase_21 AC 228 ms
92,204 KB
testcase_22 AC 237 ms
92,028 KB
testcase_23 AC 232 ms
92,084 KB
testcase_24 AC 232 ms
92,100 KB
testcase_25 AC 230 ms
92,456 KB
testcase_26 AC 233 ms
92,120 KB
testcase_27 AC 229 ms
92,316 KB
testcase_28 AC 228 ms
92,072 KB
testcase_29 AC 230 ms
92,348 KB
testcase_30 AC 228 ms
92,232 KB
testcase_31 AC 233 ms
92,380 KB
testcase_32 AC 234 ms
92,396 KB
testcase_33 AC 230 ms
92,528 KB
testcase_34 AC 231 ms
92,500 KB
testcase_35 AC 234 ms
92,684 KB
testcase_36 AC 237 ms
92,884 KB
testcase_37 AC 231 ms
92,540 KB
testcase_38 AC 234 ms
92,584 KB
testcase_39 AC 236 ms
92,744 KB
testcase_40 AC 309 ms
93,956 KB
testcase_41 AC 309 ms
93,580 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

import sys, re
from fractions import Fraction
from math import ceil, floor, sqrt, pi, factorial, gcd
from copy import deepcopy
from collections import Counter, deque, defaultdict
from heapq import heapify, heappop, heappush
from itertools import accumulate, product, combinations, combinations_with_replacement, permutations
from bisect import bisect, bisect_left, bisect_right
from functools import reduce
from decimal import Decimal, getcontext, ROUND_HALF_UP
def i_input(): return int(input())
def i_map(): return map(int, input().split())
def i_list(): return list(i_map())
def i_row(N): return [i_input() for _ in range(N)]
def i_row_list(N): return [i_list() for _ in range(N)]
def s_input(): return input()
def s_map(): return input().split()
def s_list(): return list(s_map())
def s_row(N): return [s_input for _ in range(N)]
def s_row_str(N): return [s_list() for _ in range(N)]
def s_row_list(N): return [list(s_input()) for _ in range(N)]
def lcm(a, b): return a * b // gcd(a, b)
def get_distance(x1, y1, x2, y2):
	  d = sqrt((x2 - x1) ** 2 + (y2 - y1) ** 2)
	  return d
def rotate(table):
   	  n_fild = []
   	  for x in zip(*table[::-1]):
   	  	  n_fild.append(x)
   	  return n_fild
sys.setrecursionlimit(10 ** 7)
INF = float('inf')
MOD = 10 ** 9 + 7
MOD2 = 998244353


def main():
   
   N = int(input())
   
   table = [[] for i in range(26)]
   bonasu = [0] * 26
   
   for i in range(N):
   	  S = input()
   	  lenS = len(S)
   	  juge = True
   	  for j in range(lenS-1):
   	  	  a, b = S[j], S[j+1]
   	  	  if a > b:
   	  	  	  juge = False
   	  	  	  break
   	  if juge:
   	  	  top = S[0]
   	  	  under = S[-1]
   	  	  if top == under:
   	  	  	  p = ord(top) - 97
   	  	  	  bonasu[p] += lenS
   	  	  else:
   	  	  	  p = ord(top) - 97
   	  	  	  pp = ord(under) - 97
   	  	  	  table[p].append([pp, lenS])
   
   for i in range(26):
   	  for j in range(i, 26):
   	  	  table[i].append([j, 0])
   	  table[i].append([i, bonasu[i]])
   
   for i in range(26):
   	  table[i].sort()
   
   dp = [0] * 26
   for i in range(26):
   	  for nxt, cost in table[i]:
   	  	  dp[nxt] = max(dp[nxt], dp[i] + cost)
   
   print(max(dp))
   
   
   
   
if __name__ == '__main__':
    main()
    
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