摘要：
http://codeforces.com/contest/288/problem/Bans = k^(k-1) * (n-K)^(n-k).#include <cstdio>#include <cstring>#include <iostream>#include <algorithm>#include <vector>#include <set>#include <map>#include <cmath>#include <queue>using namespace std;temp 阅读全文
posted @ 2013-04-03 02:17
aiiYuu
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