原创 hdu 1576 A/B （求乘法逆元——擴展歐幾里得）
A/B Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3745
2020-06-17 11:37:41
原创 Codeforces Round #320 (Div. 2) [Bayan Thanks-Round]
E. Weakness and Poorness time limit per test 2 seconds memory limit per test 256 megabytes input standard input
2020-06-17 10:37:42
2
原创 poj 3368 Frequent values (RMQ或線段樹)
Frequent values Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 16959 Accepted: 6125 Description Y
2020-06-17 10:37:42
2
原创 hdu 5256 序列變換 (LIS變形)
序列變換 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 519
2020-06-17 10:37:42
2
原创 Fenwick tree （CF Educational Codeforces Round 10）
D. Nested Segments time limit per test 2 seconds memory limit per test 256 megabytes input standard input out
2020-06-17 10:37:42
原创 D. Longest k-Good Segment
D. Longest k-Good Segment time limit per test 1 second memory limit per test 256 megabytes input standard input
2020-06-17 10:37:42
2
原创 CF 361 E. Mike and Geometry Problem （排列組合+乘法逆元）
E. Mike and Geometry Problem time limit per test 3 seconds memory limit per test 256 megabytes input standard i
2020-02-21 00:02:42
原创 卡特蘭數
卡塔蘭數 卡塔蘭數是組合數學中一個常出現在各種計數問題中出現的數列。 卡塔蘭數的一般項公式爲 另類遞歸式： h(n)=((4*n-2)/(n+1))*h(n-1); 前幾項爲 （
2020-02-21 00:02:25
原创 poj 3186 Treats for the Cows（區間dp）
Treats for the Cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 4375 Accepted: 2226 Description
2020-02-21 00:02:25
原创 poj 1655 Balancing Act(樹的重心)
Balancing Act Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9913 Accepted: 4069 Description Cons
2020-02-21 00:02:25
原创 poj 2378 Tree Cutting (樹形dp)
Tree Cutting Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 3910 Accepted: 2347 Description After
2020-02-21 00:02:25
原创 Codeforces Round #339 (Div. 2)D. Skills
D. Skills time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard ou
2020-02-21 00:02:25
原创 poj 3140 Contestants Division （樹形dp）
Contestants Division Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 8544 Accepted: 2439 Descriptio
2020-02-21 00:02:25
原创 CF 361 D. Friends and Subsequences (RMQ+二分查找)
D. Friends and Subsequences time limit per test 2 seconds memory limit per test 512 megabytes input standard i
2020-02-21 00:02:25
1
原创 Codeforces Round #294 (Div. 2)
D. A and B and Interesting Substrings time limit per test2 seconds memory limit per test256 megabytes inputstand
2020-02-21 00:02:25
1