摘要：#include<iostream> #include<cstdio> #include<cctype> using namespace std; inline int read() { int x=0,f=1;char c=getchar(); while(!isdigit(c)){if(c==' 阅读全文
摘要：归并 逆序对 #include<iostream> #include<cstdio> #include<cctype> using namespace std; inline long long read() { long long x=0,f=1;char c=getchar(); while(! 阅读全文
