q435201823的博客

早上刚学的，看着别人的代码写了一个适合自己风格的模板。#include<cstdio>#include<cstring>#define MAX 5000//数组大小struct FenwickTree{ int arr[MAX]; int c[MAX]; int n; FenwickTree(int nn) { n = nn;

P is a permutation of the integers from 1 to N(index starting from 1). Here is the code of Bubble Sort in C++. for(int i=1;i&lt;=N;++i) for(int j=N,t;j&gt;i;—j) if(P[j-1] &gt; P[j]) ...