题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5272 Dylans loves numbers Description Who is Dylans?You can find his ID in UOJ and Codeforces.His another ID is s1451900 in BestCoder. And now today's problems are all about him. Dylans is given a number…
Problem Description Who is Dylans?You can find his ID in UOJ and Codeforces. His another ID is s1451900 in BestCoder.And now today's problems are all about him.Dylans is given a number N. He wants to find out how many groups of "1" in its Binary…
题意:给出一个0≤N≤1018,求其二进制中有几处是具有1的,假设相连的1只算1处,比如1101011就是3处. 思路:一个个数,当遇到第一个1时就将flag置为1:当遇到0就将flag置为0.当遇到1时,flag=0就统计,当flag=1时就不统计. #include <bits/stdc++.h> #define LL long long using namespace std; int main() { int t; LL n; cin>>t; while(t--) { ci…
题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5273 Dylans loves sequence Description Dylans is given $N$ numbers $a[1]....a[N]$ And there are $Q$ questions. Each question is like this $(L,R)$ his goal is to find the “inversions” from number $L$ to n…
Dylans loves tree http://acm.hdu.edu.cn/showproblem.php?pid=5274 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Problem Description Dylans is given a tree with N nodes. All nodes have a value A[i] .Nodes on tree…
Dylans loves tree Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1444 Accepted Submission(s): 329 Problem Description Dylans is given a tree with N nodes. All nodes have a value A[i].Nodes…
Dylans loves tree Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1915 Accepted Submission(s): 492 Problem Description Dylans is given a tree with N nodes. All nodes have a value A[i].Nodes…
Dylans loves tree Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1611 Accepted Submission(s): 388 Problem Description Dylans is given a tree with N nodes. All nodes have a value A[i] .Node…
Dylans loves tree Problem Description Dylans is given a tree with N nodes. All nodes have a value A[i].Nodes on tree is numbered by 1∼N. Then he is given Q questions like that: ①0 x y:change node x′s value to y ②1 x y:For all the value in the path fr…
