摘要: 大水题 cpp include include using namespace std; int n, du[100005], hea[100005], cnt, uu, vv; double dp[100005]; struct Edge{ int too, nxt; }edge[200005]; 阅读全文
posted @ 2018-01-22 19:02 poorpool 阅读(186) 评论(0) 推荐(0)
摘要: 把前缀和换成树状数组 cpp include include include using namespace std; int n, m, a[10005], b[20005], rem, cnt, sum[2100005], lson[2100005], rson[2100005], rot[10 阅读全文
posted @ 2018-01-22 15:42 poorpool 阅读(157) 评论(3) 推荐(0)