結果

問題 No.2064 Smallest Sequence on Grid
ユーザー McGregorshMcGregorsh
提出日時 2023-05-23 21:54:14
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 2,168 ms / 3,000 ms
コード長 2,174 bytes
コンパイル時間 270 ms
コンパイル使用メモリ 82,176 KB
実行使用メモリ 209,920 KB
最終ジャッジ日時 2024-06-02 10:40:26
合計ジャッジ時間 22,797 ms
ジャッジサーバーID
(参考情報)
judge4 / judge3
このコードへのチャレンジ
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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 136 ms
89,344 KB
testcase_01 AC 134 ms
89,344 KB
testcase_02 AC 138 ms
89,344 KB
testcase_03 AC 137 ms
89,088 KB
testcase_04 AC 138 ms
89,344 KB
testcase_05 AC 141 ms
89,600 KB
testcase_06 AC 138 ms
89,088 KB
testcase_07 AC 136 ms
89,216 KB
testcase_08 AC 138 ms
89,728 KB
testcase_09 AC 140 ms
89,728 KB
testcase_10 AC 139 ms
90,112 KB
testcase_11 AC 143 ms
90,112 KB
testcase_12 AC 143 ms
89,984 KB
testcase_13 AC 147 ms
89,728 KB
testcase_14 AC 150 ms
90,496 KB
testcase_15 AC 148 ms
89,984 KB
testcase_16 AC 147 ms
90,112 KB
testcase_17 AC 216 ms
98,944 KB
testcase_18 AC 211 ms
98,816 KB
testcase_19 AC 211 ms
98,816 KB
testcase_20 AC 1,647 ms
151,296 KB
testcase_21 AC 1,969 ms
154,496 KB
testcase_22 AC 1,198 ms
132,224 KB
testcase_23 AC 1,234 ms
135,424 KB
testcase_24 AC 1,218 ms
136,064 KB
testcase_25 AC 1,197 ms
135,680 KB
testcase_26 AC 2,168 ms
173,312 KB
testcase_27 AC 2,153 ms
173,568 KB
testcase_28 AC 218 ms
98,816 KB
testcase_29 AC 2,009 ms
209,920 KB
testcase_30 AC 222 ms
98,688 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, lru_cache
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
alpa = 'abcdefghijklmnopqrstuvwxyz'
ALPA = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
#input = sys.stdin.readline


def main():
   
   H, W = i_map()
   S = [input() for i in range(H)]
   
   move = [[0, 1], [1, 0]]
   ans = []
   ans.append(S[0][0])
   nums = [[0, 0]]
   
   for i in range(H+W-1):
   	  nxts = [set() for i in range(26)]
   	  for x, y in nums:
   	  	  for a, b in move:
   	  	  	  nx = a + x
   	  	  	  ny = b + y
   	  	  	  if not (0<=nx<H and 0<=ny<W):
   	  	  	  	  continue
   	  	  	  p = ord(S[nx][ny]) - 97
   	  	  	  nxts[p].add((nx, ny))
   	  nnums = []
   	  for i in range(26):
   	  	  if len(nxts[i]) > 0:
   	  	  	  nnxts = list(nxts[i])
   	  	  	  ans.append(alpa[i])
   	  	  	  for a, b in nnxts:
   	  	  	  	  nnums.append([a, b])
   	  	  	  break
   	  nums = nnums
   
   print(''.join(ans))
   
   
if __name__ == '__main__':
    main()
    
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