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http://poj.org/problem?id=3320 Description Jessica's a very lovely girl wooed by lots of boys. Recently she has a problem. The final exam is coming, y 阅读全文
posted @ 2018-10-10 21:12
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http://poj.org/problem?id=2456 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a st 阅读全文
posted @ 2018-10-09 16:12
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http://poj.org/problem?id=1258 Description Farmer John has been elected mayor of his town! One of his campaign promises was to bring internet connecti 阅读全文
posted @ 2018-10-08 20:34
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http://poj.org/problem?id=1703 Description The police office in Tadu City decides to say ends to the chaos, as launch actions to root up the TWO gangs 阅读全文
posted @ 2018-10-08 20:33
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http://poj.org/problem?id=2421 There are N villages, which are numbered from 1 to N, and you should build some roads such that every two villages can 阅读全文
posted @ 2018-10-05 16:30
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http://poj.org/problem?id=1287 You are assigned to design network connections between certain points in a wide area. You are given a set of points in 阅读全文
posted @ 2018-10-05 14:23
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#include using namespace std; const int maxn = 5e5 + 10; int h[maxn], v[maxn], nx[maxn], in[maxn]; int n, m, sz; void add(int a, int b) { v[sz] = b; nx[sz] = h[a]; h[a] = sz; in[b] ++; s... 阅读全文
posted @ 2018-10-05 11:06
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http://poj.org/problem?id=1251 The Head Elder of the tropical island of Lagrishan has a problem. A burst of foreign aid money was spent on extra roads 阅读全文
posted @ 2018-10-05 10:40
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http://poj.org/problem?id=1797 Description Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. 阅读全文
posted @ 2018-10-03 13:28
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http://poj.org/problem?id=2387 Bessie is out in the field and wants to get back to the barn to get as much sleep as possible before Farmer John wakes 阅读全文
posted @ 2018-09-30 17:22
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