原创 poj2411Mondriaan's Dream
Mondriaan's Dream Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 11810 Accepted: 6866 Description S
2020-07-07 12:34:25
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原创 poj 3107 Godfather
題目大意就是讓你找，刪除一個點，使得剩下的子樹中，節點數最多的最小。其實此題就是求重心。 我們來回顧一下樹的重心的性質： 1.刪除重心後，剩下的子樹中點個數最大的最小，並且小於n/2。 2.樹中所有點到某個點的距離和中，到重心的距離和是
2020-02-21 03:20:51
原创 Codeforces Beta Round #4 (Div. 2 Only)D. Mysterious Present
D. Mysterious Present time limit per test 2 seconds memory limit per test 64 megabytes input standard inpu
2020-02-21 03:20:51
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原创 Codeforces Round #202 (Div. 2)B. Color the Fence
B. Color the Fence time limit per test 2 seconds memory limit per test 256 megabytes input standard input
2020-02-21 03:20:51
原创 Codeforces Round #139 (Div. 2)C. Barcode
C. Barcode time limit per test 2 seconds memory limit per test 256 megabytes input standard input output stan
2020-02-21 03:20:51
原创 Codeforces Beta Round #2B. The least round way
B. The least round way time limit per test 5 seconds memory limit per test 64 megabytes input standard inp
2020-02-21 03:20:51
原创 hdu4804Campus Design
Campus Design Time Limit: 15000/8000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s)
2020-02-21 03:20:51
原创 Codeforces Round #112 (Div. 2) C. Another Problem on Strings
C. Another Problem on Strings time limit per test 2 seconds memory limit per test 256 megabytes input standard
2020-02-21 03:20:51
原创 Codeforces Round #135 (Div. 2)VD. Choosing Capital for Treeland
D. Choosing Capital for Treeland time limit per test 3 seconds memory limit per test 256 megabytes input s
2020-02-21 03:20:50
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原创 hdu 5067 Harry And Dig Machine
As we all know, Harry Porter learns magic at Hogwarts School. However, learning magical knowledge alone is insufficie
2020-02-21 03:20:50
原创 cf div2(262)c題
C. Present time limit per test 2 seconds memory limit per test 256 megabytes input standard input output
2020-02-21 03:20:50
原创 Codeforces Beta Round #89 (Div. 2)D. Caesar's Legions
D. Caesar's Legions time limit per test 2 seconds memory limit per test 256 megabytes input standard input ou
2020-02-21 03:20:50
原创 Codeforces Round #135 (Div. 2)C. Color Stripe
C. Color Stripe time limit per test 2 seconds memory limit per test 256 megabytes input standard input
2020-02-21 03:20:50
原创 zoj3201Tree of Tree
Tree of Tree Time Limit: 1 Second Memory Limit: 32768 KB You're given a tree with weights of each node, you need
2020-02-21 03:20:50
原创 git 小積累
1.命令忽略修改過的文件 git update-index --assume-unchanged + 文件 取消忽略 git update-index --no-assume-unchanged <files>
2019-06-11 22:38:12