不激不随

#include<iostream> #include<vector> #include<algorithm>//杭电OJ没有g++的优化，cin/cout输入输出速度极慢，改成scanf printf就直接AC了 using namespace std;int main(){ const int N = 1000000001; int k; vector<int> v;

HDU5885 Problem Description As an eligible Ingress Resistance Agent you should know your power source, the Exotic Matter. We call it XM, which is the driving force behind all of our actions in