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 275 ms / 2,000 ms
コード長 2,226 bytes
コンパイル時間 164 ms
コンパイル使用メモリ 82,468 KB
実行使用メモリ 92,900 KB
最終ジャッジ日時 2024-06-01 12:32:36
合計ジャッジ時間 8,909 ms
ジャッジサーバーID
(参考情報)
judge1 / judge2
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 155 ms
89,100 KB
testcase_01 AC 148 ms
89,588 KB
testcase_02 AC 150 ms
89,600 KB
testcase_03 AC 147 ms
89,616 KB
testcase_04 AC 270 ms
92,900 KB
testcase_05 AC 275 ms
92,816 KB
testcase_06 AC 268 ms
92,844 KB
testcase_07 AC 274 ms
92,796 KB
testcase_08 AC 275 ms
92,660 KB
testcase_09 AC 149 ms
89,600 KB
testcase_10 AC 149 ms
89,480 KB
testcase_11 AC 151 ms
89,504 KB
testcase_12 AC 147 ms
89,236 KB
testcase_13 AC 150 ms
89,488 KB
testcase_14 AC 199 ms
90,184 KB
testcase_15 AC 216 ms
90,196 KB
testcase_16 AC 198 ms
90,432 KB
testcase_17 AC 195 ms
90,600 KB
testcase_18 AC 193 ms
90,592 KB
testcase_19 AC 195 ms
90,440 KB
testcase_20 AC 193 ms
90,652 KB
testcase_21 AC 150 ms
89,552 KB
testcase_22 AC 150 ms
89,640 KB
testcase_23 AC 152 ms
89,512 KB
testcase_24 AC 150 ms
89,500 KB
testcase_25 AC 155 ms
89,536 KB
testcase_26 AC 147 ms
89,368 KB
testcase_27 AC 146 ms
89,584 KB
testcase_28 AC 146 ms
89,096 KB
testcase_29 AC 150 ms
89,592 KB
testcase_30 AC 148 ms
89,484 KB
testcase_31 AC 147 ms
89,632 KB
testcase_32 AC 148 ms
89,296 KB
testcase_33 AC 148 ms
89,300 KB
testcase_34 AC 149 ms
89,496 KB
testcase_35 AC 153 ms
89,540 KB
testcase_36 AC 152 ms
89,632 KB
testcase_37 AC 149 ms
89,220 KB
testcase_38 AC 152 ms
89,720 KB
testcase_39 AC 149 ms
89,316 KB
testcase_40 AC 230 ms
90,564 KB
testcase_41 AC 233 ms
90,456 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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