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Codeforces Round #519 by Botan Investments-E. Train Hard, Win Easy
時間 2021-07-11
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地址:http://codeforces.com/contest/1043/problem/E 思路:排序+前綴和。對於取min(s1+ss2,s2+ss1),當 s1+ss2<s2+ss1即s1-s2<ss1-ss2取 s1+ss2,因此可以按照 s1-s2由小到大排序,再求得s1的前綴和ps1[n]和s2的後綴和ps2[n]。求出全部隊員與其他隊員組合的總和,對於第i位的隊員,sum=a[i]
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相關文章
1.
[題解]Codeforces Round #519 - A. Elections
2.
[題解]Codeforces Round #519 - B. Lost Array
3.
[題解]Codeforces Round #519 - D. Mysterious Crime
4.
[題解]Codeforces Round #519 - C. Smallest Word
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Equalizing by Division (easy version)&&(hard version)
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A. Vova and Train ( Codeforces Round #515 (Div. 3) )
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Codeforces Round #555 (Div. 3) C2. Increasing Subsequence (hard version)
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