摘要：
简单题，推公式View Code #include <iostream>#include <cstdio>#include <cstdlib>#include <cstring>using namespace std;#define maxn 10005int n, u, d;long long sum[maxn], f[maxn], extraup[maxn], extradown[maxn];long long down[maxn], up[maxn];void input(){ scanf("%d%d%d", & 阅读全文
posted @ 2011-07-29 21:52
undefined2024
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