提出 #73217998

ソースコード 拡げる

import sys
input = lambda: sys.stdin.readline().rstrip()
def LI(): return list(map(int, input().split()))
def II(): return int(input())


def main():
	N = II()
	l,r = input().split()
	ans = 0
	for i in range(N-1):
		a,b = input().split()
		if r==a:
			ans += 1
		l,r = a,b
	print(ans)
	return


if __name__ == '__main__':
	main()

提出情報

提出日時
問題 B - 握手の列
ユーザ masasu
言語 Python (PyPy 3.11-v7.3.20)
得点 233
コード長 349 Byte
結果 AC
実行時間 76 ms
メモリ 108668 KiB

ジャッジ結果

セット名 Sample All
得点 / 配点 0 / 0 233 / 233
結果
AC × 3
AC × 58
セット名 テストケース
Sample sample01.txt, sample02.txt, sample03.txt
All sample01.txt, sample02.txt, sample03.txt, in01.txt, in02.txt, in03.txt, in04.txt, in05.txt, in06.txt, in07.txt, in08.txt, in09.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in38.txt, in39.txt, in40.txt, in41.txt, in42.txt, in43.txt, in44.txt, in45.txt, in46.txt, in47.txt, in48.txt, in49.txt, in50.txt, in51.txt, in52.txt, in53.txt, in54.txt, in55.txt
ケース名 結果 実行時間 メモリ
in01.txt AC 46 ms 79708 KiB
in02.txt AC 46 ms 79636 KiB
in03.txt AC 45 ms 79484 KiB
in04.txt AC 45 ms 79988 KiB
in05.txt AC 45 ms 79732 KiB
in06.txt AC 45 ms 79920 KiB
in07.txt AC 45 ms 79612 KiB
in08.txt AC 45 ms 79612 KiB
in09.txt AC 74 ms 108668 KiB
in10.txt AC 72 ms 108180 KiB
in11.txt AC 74 ms 108364 KiB
in12.txt AC 74 ms 108344 KiB
in13.txt AC 76 ms 108364 KiB
in14.txt AC 73 ms 108232 KiB
in15.txt AC 74 ms 108360 KiB
in16.txt AC 46 ms 79820 KiB
in17.txt AC 72 ms 108484 KiB
in18.txt AC 46 ms 79800 KiB
in19.txt AC 72 ms 108232 KiB
in20.txt AC 71 ms 108196 KiB
in21.txt AC 73 ms 108180 KiB
in22.txt AC 72 ms 108340 KiB
in23.txt AC 73 ms 108176 KiB
in24.txt AC 74 ms 108476 KiB
in25.txt AC 74 ms 108568 KiB
in26.txt AC 48 ms 81048 KiB
in27.txt AC 46 ms 80308 KiB
in28.txt AC 45 ms 79744 KiB
in29.txt AC 46 ms 80988 KiB
in30.txt AC 45 ms 79744 KiB
in31.txt AC 46 ms 80948 KiB
in32.txt AC 47 ms 80996 KiB
in33.txt AC 46 ms 80324 KiB
in34.txt AC 45 ms 79744 KiB
in35.txt AC 45 ms 79948 KiB
in36.txt AC 45 ms 79948 KiB
in37.txt AC 46 ms 80952 KiB
in38.txt AC 45 ms 80432 KiB
in39.txt AC 45 ms 79976 KiB
in40.txt AC 45 ms 80040 KiB
in41.txt AC 44 ms 79612 KiB
in42.txt AC 45 ms 79952 KiB
in43.txt AC 72 ms 108484 KiB
in44.txt AC 76 ms 108668 KiB
in45.txt AC 73 ms 108664 KiB
in46.txt AC 72 ms 108360 KiB
in47.txt AC 73 ms 108180 KiB
in48.txt AC 46 ms 79952 KiB
in49.txt AC 46 ms 79780 KiB
in50.txt AC 45 ms 79740 KiB
in51.txt AC 45 ms 79740 KiB
in52.txt AC 45 ms 79848 KiB
in53.txt AC 74 ms 108208 KiB
in54.txt AC 47 ms 79852 KiB
in55.txt AC 46 ms 80040 KiB
sample01.txt AC 45 ms 79868 KiB
sample02.txt AC 45 ms 79912 KiB
sample03.txt AC 45 ms 79920 KiB