wangyucheng

摘要： #include#include#include#includeusing namespace std;#define maxn 200000struct node{ int l,r,val,dis,f;}t[maxn];int merge(int a,int b){ if(!a)return b; if(!b)return a; if(t[a].val>=1; t[y].val>>=1; i1=merge(x,i1); i2=merge(y,i2); printf("%d\... 阅读全文