统计不重叠区间的个数(100分)

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	whF9eXtNFk	18ms	6.8 MiB	C++14(O2)	1.1 KiB	2026-6-29 15:49:21
AC	jzxFBqFb3Y	20ms	7.1 MiB	C++14(O2)	964 Bytes	2026-7-1 16:32:37
AC	QpXNANeqxZ	20ms	7.1 MiB	C++14(O2)	496 Bytes	2026-6-30 16:54:29
AC	hjFlOpytQV	20ms	7.1 MiB	C++	890 Bytes	2026-6-29 12:52:16
AC	TihEkeJc3T	23ms	6.9 MiB	C++	983 Bytes	2026-7-1 20:45:15
AC	L4qWwYsvWQ	23ms	7.1 MiB	C++14(O2)	812 Bytes	2026-6-29 23:35:14
AC	vH7pCzkYBW	23ms	6.8 MiB	C++	683 Bytes	2026-7-1 13:36:16
AC	MG1jLPW2Lr	23ms	6.8 MiB	C++	727 Bytes	2026-7-1 15:22:07
AC	nBL4avwYVz	23ms	7 MiB	C++	881 Bytes	2026-7-1 13:22:17
AC	四月&暴风雨	24ms	6.9 MiB	C++	754 Bytes	2026-7-1 18:27:44
AC	7jRJ5tRuWS	28ms	6.8 MiB	C++	789 Bytes	2026-6-29 21:17:23
AC	kxi6Fyp2C7	31ms	6.8 MiB	C++14(O2)	685 Bytes	2026-6-29 23:00:38
AC	qPuDSlRX3F	34ms	7.1 MiB	C++	465 Bytes	2026-6-29 16:23:57
AC	fgOyVcH8Ae	38ms	7.1 MiB	C++	803 Bytes	2026-7-1 14:49:15
AC	qRib9VCVU8	55ms	7.1 MiB	C++	695 Bytes	2026-7-1 0:54:49
AC	刘大大	366ms	15.2 MiB	Python 3	681 Bytes	2026-6-29 20:24:27
AC	LDNPCxjBGI	369ms	15.3 MiB	Python 3	670 Bytes	2026-7-1 14:52:13
AC	糊里糊涂	407ms	15.2 MiB	Python 3	601 Bytes	2026-7-1 17:12:21
AC	yanyuAC	416ms	15.1 MiB	Python 3	566 Bytes	2026-6-29 15:35:37
AC	7y19zVCOTP	428ms	15.3 MiB	Python 3	533 Bytes	2026-6-30 16:34:55
AC	G1P04gmKW4	429ms	15.1 MiB	Python 3	573 Bytes	2026-6-30 13:34:15
AC	d78Gro6LNY	435ms	15.2 MiB	Python 3	500 Bytes	2026-6-29 12:53:03
AC	KcOH8R6KEB	440ms	15.2 MiB	Python 3	573 Bytes	2026-6-29 22:31:22
AC	6bt3q2YHmq	542ms	41.2 MiB	Java	2.1 KiB	2026-7-1 17:10:33
AC	5SPmWxLEcg	549ms	41.6 MiB	Java	731 Bytes	2026-6-29 18:40:17
AC	I0xI4PS0AI	559ms	41.5 MiB	Java	530 Bytes	2026-7-1 17:29:02
AC	yzFvIA16jY	579ms	41.4 MiB	Java	647 Bytes	2026-6-29 20:54:10
AC	78Vz1FAzGi	586ms	41.9 MiB	Java	616 Bytes	2026-7-1 20:18:06
AC	2Y1GQzOoIg	618ms	41.4 MiB	Java	948 Bytes	2026-6-30 22:36:36
AC	cw0uc8bCPJ	622ms	41.7 MiB	Java	657 Bytes	2026-6-29 13:49:00
AC	XdSXj9hIIr	639ms	41.6 MiB	Java	688 Bytes	2026-7-1 2:09:35
AC	oAibrIeL9w	651ms	41.4 MiB	Java	738 Bytes	2026-7-1 10:51:26
AC	muxiao	651ms	41.2 MiB	Java	616 Bytes	2026-6-29 20:54:52
AC	W7qtPq71wy95	655ms	15.2 MiB	Python 3	535 Bytes	2026-6-30 0:12:40
AC	WbGxf7Y7n6	666ms	41.6 MiB	Java	657 Bytes	2026-6-29 18:17:35
AC	fzRzp3mKFP	681ms	41.2 MiB	Java	690 Bytes	2026-6-29 22:30:30
AC	UKJsqo4VTn	694ms	15.1 MiB	Python 3	658 Bytes	2026-6-29 16:16:32
AC	9GmpplJ3Ww	701ms	41.7 MiB	Java	847 Bytes	2026-6-29 20:02:10
AC	TaZi	1092ms	44.9 MiB	Java	657 Bytes	2026-6-29 11:21:14
AC	luti	1200ms	46.6 MiB	Java	629 Bytes	2026-6-29 10:33:08