Znn3bq.jpeg
²é¿´: 1235  |  »Ø¸´: 7

qrr_xmc

гæ (ÕýʽдÊÖ)

[ÇóÖú] ÄÜ·ñÖ¤Ã÷ÈçϽ¥½ø¹ØÏµ ÒÑÓÐ1È˲ÎÓë

ÈçºÎÖ¤Ã÷ÈçϹØÏµ£º

ÄÜ·ñÖ¤Ã÷ÈçϽ¥½ø¹ØÏµ
question.png

M,NΪÕûÊý¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wurongjun

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
qrr_xmc: ½ð±Ò+5, ¡ïÓаïÖú 2015-12-06 08:07:42
·ÖĸµÄµÚ¶þÏîj=NʱΪÁã!
ËùÒÔ½á¹û²»³ÉÁ¢!
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
2Â¥2015-12-04 16:25:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

qrr_xmc

гæ (ÕýʽдÊÖ)

3Â¥2015-12-04 16:50:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

nagami

ľ³æ (ÕýʽдÊÖ)

¼ÙÉèM=N
×óʽ¼Ólog£¬½×³ËÓÃStirling's approximationÌæ´ú£¬logN! ~ NlogN-N
À۳˱äÀۺͺóÏûÈ¥ÁËN^2logN£¬Ê£ÏµĽ¥½üÊÇO(N^2)£¬¸öÈË¿´·¨
Å®¿¿ÒÂ×°£»Äп¿½ð×°
4Â¥2015-12-04 17:51:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

nagami

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by nagami at 2015-12-04 17:51:46
¼ÙÉèM=N
×óʽ¼Ólog£¬½×³ËÓÃStirling's approximationÌæ´ú£¬logN! ~ NlogN-N
À۳˱äÀۺͺóÏûÈ¥ÁËN^2logN£¬Ê£ÏµĽ¥½üÊÇO(N^2)£¬¸öÈË¿´·¨

×¢Ò⣬Õâ¸öºÍÔ­ÎÊÌâÊÇû¶ÔÆðÀ´µÄ£¬logÈ¥µô¾ÍÊÇÖ¸ÊýÔö³¤ÁË

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

Å®¿¿ÒÂ×°£»Äп¿½ð×°
5Â¥2015-12-04 17:52:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

qrr_xmc

гæ (ÕýʽдÊÖ)

Ëͺ컨һ¶ä
ÒýÓûØÌû:
5Â¥: Originally posted by nagami at 2015-12-04 17:52:41
×¢Ò⣬Õâ¸öºÍÔ­ÎÊÌâÊÇû¶ÔÆðÀ´µÄ£¬logÈ¥µô¾ÍÊÇÖ¸ÊýÔö³¤ÁË...

¶àл»Ø¸´ ²»ÊÇÓ¦Öú»Ø¸´ ÎÞ·¨½±Àø½ð±Ò ËͶäºì»¨°É

·¢×ÔСľ³æAndroid¿Í»§¶Ë
6Â¥2015-12-06 08:45:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡ï ¡ï ¡ï ¡ï ¡ï
qrr_xmc(Edstrayer´ú·¢): ½ð±Ò+5, LatexÓ¦Öú 2015-12-08 00:15:08
Â¥Ö÷ÄãºÃ£¬¿ÉÒÔÌṩһÏÂÄãµÄÃüÌâµÄÎÄÏ׳ö´¦Ã´£¿ ÎÒÍÆÁ˰ëÌ죬ʼÖÕÖ¤²»³öÄãÒªµÄ½á¹û£¬¿ÉÒÔÂé·³¼ì²éÒ»ÏÂÏÂÃæÍÆÀíÊÇ·ñÓÐ´í£¿Ð»Ð»

¸ù¾Ýnagami µÄÌáʾ£¬ÎÒ¶Ô×ó±ßʽ×ÓÈ¡¶ÔÊý£¬ÔÙ³ýÒÔN^2,(ͬʱÁîM/N=a,´¿´âΪÁË´ò×Ö·½±ã£©£¬
×ó±ßµÈÓÚ

ÕâÓÖµÈÓÚ

ÓÉNÇ÷ÓÚÎÞÇî¼°¶¨»ý·ÖµÄ¶¨Ò壬ÒÔ¼°, ÉÏʽ×îºó»¯¼òΪ



Èç¹ûa>1, ÄÇô (a-1)lnN ¿ØÖÆÆäËüËùÓÐÏÇ÷ÓÚÎÞÇî´ó£» ¼´Ê¹a=1, ¸ÃʽµÈÓÚ3/2£¬Òâζ×ÅÂ¥Ö÷ԭʽ´óÔ¼ÊÇ. ÎÞÂÛÄÄÖÖÇé¿ö£¬¶¼ºÍO(N^2) Ïà²îÊ®Íò°ËǧÀï¡£

ÀëÂ¥Ö÷´ð°¸²îÌ«¶à£¬¶¼²»ºÃÒâ˼ӦÖúÁË£¬

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

We_must_know. We_will_know.
7Â¥2015-12-06 23:17:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

qrr_xmc

гæ (ÕýʽдÊÖ)

Ëͺ컨һ¶ä
ÒýÓûØÌû:
7Â¥: Originally posted by hank612 at 2015-12-06 23:17:29
Â¥Ö÷ÄãºÃ£¬¿ÉÒÔÌṩһÏÂÄãµÄÃüÌâµÄÎÄÏ׳ö´¦Ã´£¿ ÎÒÍÆÁ˰ëÌ죬ʼÖÕÖ¤²»³öÄãÒªµÄ½á¹û£¬¿ÉÒÔÂé·³¼ì²éÒ»ÏÂÏÂÃæÍÆÀíÊÇ·ñÓÐ´í£¿Ð»Ð»

¸ù¾Ýnagami µÄÌáʾ£¬ÎÒ¶Ô×ó±ßʽ×ÓÈ¡¶ÔÊý£¬ÔÙ³ýÒÔN^2,(ͬʱÁîM/N=a,´¿´âΪÁË´ò×Ö·½±ã ...

¶àл»Ø¸´ µÈʽ×ó±ß²¹ÉÏlog ÄܳÉÁ¢Âð

·¢×ÔСľ³æAndroid¿Í»§¶Ë
8Â¥2015-12-07 16:27:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ qrr_xmc µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] һ־Ը˫·Ç085400µç×ÓÐÅÏ¢344 Çóµ÷¼Á£¬¶Ô²ÄÁϺͻ¯Ñ§·½ÏòÒ²¸ÐÐËȤ +11 ÎÞÇéµÄСÑò 2026-04-09 12/600 2026-04-12 17:41 by 686666
[¿¼ÑÐ] 291Çóµ÷¼Á +11 ¹ØÒä±±. 2026-04-09 12/600 2026-04-12 10:32 by ÄæË®³Ë·ç
[¿¼ÑÐ] »¯Ñ§¹¤³Ìµ÷¼Á289 +44 yangæÃ 2026-04-07 50/2500 2026-04-12 02:36 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] 0854µ÷¼Á +8 ³¤¹­°Á 2026-04-11 9/450 2026-04-11 21:44 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Çóµ÷¼Á +6 СÄô°®Ñ§Ï° 2026-04-11 9/450 2026-04-11 21:20 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 0854µ÷¼Á +5 ÒôÏñµêÌý»¨¹ÄÏ· 2026-04-10 5/250 2026-04-11 10:49 by qingpingzhu
[¿¼ÑÐ] »¹Óл¯¹¤¶þÂÖµ÷¼ÁµÄѧУÂð 5+14 »¯¹¤ÈË999 2026-04-09 48/2400 2026-04-11 10:27 by 89436494
[¿¼ÑÐ] 281Çóµ÷¼Á +11 ¾õµÃºÃµÄ°É 2026-04-10 11/550 2026-04-11 09:35 by ÄæË®³Ë·ç
[¿¼ÑÐ] µ÷¼Á »¯Ñ§ 307 +21 73372112 2026-04-09 23/1150 2026-04-10 23:53 by wj165256
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +23 ŬÁ¦·Ü¶·112 2026-04-08 23/1150 2026-04-10 23:29 by 314126402
[¿¼ÑÐ] ²ÄÁÏÀà284µ÷¼Á +40 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 48/2400 2026-04-10 23:28 by 314126402
[¿¼ÑÐ] ±¾¿ÆÎ÷¹¤´ó 324Çóµ÷¼Á +4 wysyjs25 2026-04-10 4/200 2026-04-10 20:00 by À´¿´Á÷ÐÇÓê10
[¿¼ÑÐ] Ò»Ö¾Ô¸211 0703»¯Ñ§ 346·ÖÇóµ÷¼Á +22 ÍÁ¶¹er? 2026-04-09 23/1150 2026-04-10 10:58 by ¸ßά´º
[¿¼ÑÐ] 284Çóµ÷¼Á +7 ÈÃÎÒÉϰ¶°É°¢Î÷ 2026-04-09 7/350 2026-04-09 18:59 by haironglove
[¿¼ÑÐ] 085501»úеӢ¶þ77×Ü·Ö294Çóµ÷¼Á£¬½ÓÊÜ¿çרҵѧϰ +6 ÊØ·¨¹«ÃñØÁ¼Í 2026-04-08 6/300 2026-04-09 15:55 by wp06
[¿¼ÑÐ] ÕÐÊÕÓлú»¯Ñ§¡¢»¯¹¤£¬Ò©Ñ§£¬Ê³Æ·µÆ×¨ÒµÑ§Éú +3 yrfhjgdj 2026-04-08 3/150 2026-04-09 10:15 by QYQX_123
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +4 ö©??? 2026-04-08 4/200 2026-04-08 21:44 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] ÉúÎïѧ328·ÖÇóµ÷¼Á +9 ÉÁµçkkl 2026-04-08 10/500 2026-04-08 21:42 by liuhuiying09
[¿¼ÑÐ] ÉúÎïѧ363µ÷¼ÁÇóÖú +7 fanzhang6666 2026-04-06 9/450 2026-04-07 17:37 by lijunpoly
[¿¼ÑÐ] 071000ÉúÎïѧµ÷¼Á +7 À­ÌáÌÒ 2026-04-06 7/350 2026-04-06 18:55 by 52305043001
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û