原创 BZOJ 2705: [SDOI2012]Longge的問題(euler函數)
2705: [SDOI2012]Longge的問題 Time Limit: 3 Sec Memory Limit: 128 MBSubmit: 1638 Solved: 1030 [Submit][Status][Discuss]
2020-06-17 03:30:03
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原创 BZOJ 3144: [Hnoi2013]切糕
3144: [Hnoi2013]切糕 Time Limit: 10 Sec Memory Limit: 128 MBSubmit: 915 Solved: 511 [Submit][Status][Discuss] Descript
2020-06-17 02:49:55
原创 BZOJ 2245: [SDOI2011]工作安排
2245: [SDOI2011]工作安排 Time Limit: 20 Sec Memory Limit: 512 MBSubmit: 1177 Solved: 567 [Submit][Status][Discuss] Descr
2020-06-17 02:49:55
原创 BZOJ 3158: 千鈞一髮(最小割)
3158: 千鈞一髮 Time Limit: 10 Sec Memory Limit: 512 MB Submit: 648 Solved: 249 [Submit][Status][Discuss] Description
2020-06-17 02:49:55
原创 HDU 2874 Connections between cities(LCA + RMQ)
Connections between cities Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total
2020-06-17 02:49:55
原创 HDU 2586 How far away ？(water problem LCA)
How far away ？ Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s)
2020-06-17 02:49:55
原创 BZOJ 3991: [SDOI2015]尋寶遊戲
3991: [SDOI2015]尋寶遊戲 Time Limit: 40 Sec Memory Limit: 128 MBSubmit: 471 Solved: 229 [Submit][Status][Discuss] Descri
2020-02-21 10:49:15
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原创 BZOJ 1061: [Noi2008]志願者招募(最小費用最大流)
1061: [Noi2008]志願者招募 Time Limit: 20 Sec Memory Limit: 162 MBSubmit: 2616 Solved: 1630 [Submit][Status][Discuss] Desc
2020-02-21 10:49:15
原创 2-SAT
點擊打開鏈接 序言 最近花了一點心思研究2-sat模型，看了很多論文博客等等，也在POJ上做了一點題。其實這個東西也還挺好玩的，當然，前提是每道題你都有認真分析，認真想清楚模型的意義，搞明白爲什麼可以這樣，而不是
2020-02-21 10:49:15
原创 HDU 3949 XOR (第k小的異或值)
XOR Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1740 A
2020-02-21 10:49:15
原创 LCA o(nlogn)
#include <iostream> #include <cstring> #include <cstdlib> #include <cstdio> #include <vector> #include <queue> #include
2020-02-21 10:49:15
原创 BZOJ 3231: [Sdoi2008]遞歸數列
3231: [Sdoi2008]遞歸數列 Time Limit: 1 Sec Memory Limit: 256 MBSubmit: 502 Solved: 217 [Submit][Status][Discuss] Descrip
2020-02-21 10:49:15
原创 BZOJ 1787: [Ahoi2008]Meet 緊急集合(LCA)
1787: [Ahoi2008]Meet 緊急集合 Time Limit: 20 Sec Memory Limit: 162 MBSubmit: 1693 Solved: 777 [Submit][Status][Discuss]
2020-02-21 10:49:15
原创 BZOJ 2037: [Sdoi2008]Sue的小球(DP)
2037: [Sdoi2008]Sue的小球 Time Limit: 10 Sec Memory Limit: 64 MBSubmit: 530 Solved: 282 [Submit][Status][Discuss] Descr
2020-02-21 10:49:15
原创 BZOJ 3876: [Ahoi2014]支線劇情(有源有匯有下界的費用流）
3876: [Ahoi2014]支線劇情 Time Limit: 10 Sec Memory Limit: 256 MBSubmit: 426 Solved: 257 [Submit][Status][Discuss] Descri
2020-02-21 10:49:15