Super Mario 这个题也做了一天,思路是很清晰,不过二分那里写残了,然后又是无限RE.. 题意:就是查询区间不大于k的数的个数. 思路:裸划分树+二分答案.将区间长度作为二分范围.这个是重点.没AC之前无限YY,AC之后却又觉得不过如此. int a[N],tree[30][N],t_l[30][N]; void build(int l,int r,int id) { if(l==r) return ; int mid=(l+r)/2,same=mid-l+1; for(int i=l;…
http://acm.hdu.edu.cn/showproblem.php?pid=4417 Super Mario Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2720 Accepted Submission(s): 1322 Problem Description Mario is world-famous plumber…
题目链接: Super Mario Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Problem Description Mario is world-famous plumber. His “burly” figure and amazing jumping ability reminded in our memory. Now the poor princess is…
Problem Description Mario is world-famous plumber. His “burly” figure and amazing jumping ability reminded in our memory. Now the poor princess is in trouble again and Mario needs to save his lover. We regard the road to the boss’s castle as a line (…