Railgun

摘要： 1 #include<bits/stdc++.h> 2 using namespace std; 3 typedef long long ll; 4 const int amn=1e5+5; 5 int num[amn]; 6 struct Segment_Tree{ 7 ll l,r,sum,la 阅读全文

摘要： Xenia and Bit Operations time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Xenia and Bit O 阅读全文