結果

問題 No.1610 She Loves Me, She Loves Me Not, ...
ユーザー McGregorshMcGregorsh
提出日時 2022-07-22 10:31:30
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 195 ms / 2,000 ms
コード長 2,064 bytes
コンパイル時間 180 ms
コンパイル使用メモリ 82,256 KB
実行使用メモリ 91,620 KB
最終ジャッジ日時 2024-07-03 17:21:58
合計ジャッジ時間 6,953 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
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 135 ms
89,792 KB
testcase_01 AC 143 ms
89,276 KB
testcase_02 AC 140 ms
89,708 KB
testcase_03 AC 134 ms
89,692 KB
testcase_04 AC 131 ms
89,732 KB
testcase_05 AC 184 ms
91,440 KB
testcase_06 AC 184 ms
91,084 KB
testcase_07 AC 195 ms
91,564 KB
testcase_08 AC 186 ms
91,620 KB
testcase_09 AC 185 ms
91,404 KB
testcase_10 AC 187 ms
91,552 KB
testcase_11 AC 184 ms
91,416 KB
testcase_12 AC 185 ms
91,540 KB
testcase_13 AC 187 ms
91,536 KB
testcase_14 AC 141 ms
89,636 KB
testcase_15 AC 141 ms
89,736 KB
testcase_16 AC 142 ms
89,700 KB
testcase_17 AC 141 ms
89,320 KB
testcase_18 AC 144 ms
89,704 KB
testcase_19 AC 140 ms
89,292 KB
testcase_20 AC 139 ms
89,668 KB
testcase_21 AC 141 ms
89,684 KB
testcase_22 AC 139 ms
89,664 KB
testcase_23 AC 135 ms
89,880 KB
testcase_24 AC 136 ms
89,676 KB
testcase_25 AC 136 ms
89,764 KB
testcase_26 AC 139 ms
89,304 KB
testcase_27 AC 135 ms
89,652 KB
testcase_28 AC 135 ms
89,772 KB
testcase_29 AC 139 ms
89,772 KB
testcase_30 AC 138 ms
89,676 KB
testcase_31 AC 136 ms
89,684 KB
testcase_32 AC 133 ms
89,684 KB
testcase_33 AC 135 ms
89,520 KB
testcase_34 AC 133 ms
89,728 KB
testcase_35 AC 138 ms
89,300 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
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


###関数コピーしたか?###
def main():
   
   n, m = i_map()
   nums = [[] for i in range(n)]
   counts = defaultdict(int)
   for i in range(m):
   	  a, b = i_map()
   	  a -= 1
   	  b -= 1
   	  nums[a].append(b)
   	  nums[b].append(a)
   	  counts[a] += 1
   	  counts[b] += 1
   
   que = deque()
   for key, value in counts.items():
   	  if value == 1:
   	  	  que.append(key)
   #print(nums)
   #print(que)
   ans = 0
   while que:
   	  point = que.popleft()
   	  if counts[point] == 1:
   	  	  ans += 1
   	  for i in nums[point]:
   	  	  counts[i] -= 1
   	  	  if counts[i] == 1:
   	  	  	  que.append(i)
   	  #print(counts)
   	  #print(que)
   #print(ans)
   if ans % 2 == 0:
   	  print('No')
   else:
   	  print('Yes')
   
if __name__ == '__main__':
    main()

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