摘要: #include #include #include #define maxn 100010 #define maxm 200020 #define maxx 10010 using namespace std; int n,m,a[maxn],num; struct node { int lc,rc; int l,r; int sum; }tree[maxm]; vo... 阅读全文
posted @ 2016-04-04 20:49 一入OI深似海 阅读(328) 评论(4) 推荐(0)