\u6211SB\u4e86\u3002\u3002\u3002\u5404\u4f4d\u795e\u725bWS\u6211\u56e7\u3002\u3002\u3002\u3002\u6700\u8fd1\u6559\u4e00\u4e2a\u540c\u5b66\u6392\u5e8f\u4e8e\u662f\u5c31\u5199\u4e863\u4e2a\u6392\u5e8f\u7684\u57fa\u672c\u7b97\u6cd5\u3002\u3002\u6211\u53d1\u73b0\u57fa\u6570\u6392\u5e8f\u771f\u662f\u5feb\u7684\u8ddf\u9b3c\u4e00\u6837\u3002\u3002\u3002
\u5feb\u901f\u6392\u5e8f\uff1a
#include <iostream>
#include <cstdlib>
#define rep(i,n) for(int i=0;i<n;i++)
const int inf=~0U>>1,maxn=10000000;
using namespace std;
int A[maxn];
void sort(int l,int r)
{
if(r-l<2)return;
int h=l,x=A[l+rand()%(r-l+1)];
for(int i=l;i<=r;i++)if(A[i]<x){int t=A[i];A[i]=A[h];A[h]=t;h++;}
sort(l,h-1);sort(h+1,r);
}
int main()
{
int n;cin>>n;rep(i,n)scanf("%d",A+i);sort(0,n-1);
}\u5806\u6392\u5e8f\uff1a
#include <cstdio>
#define rep(i,n) for(int i=0;i<n;i++)
const int inf=~0U>>1,maxn=10000000;
using namespace std;
int n,A[maxn];
inline int swap(int&a,int&b){a^=b^=a^=b;}
void Up(int i)
{
if(i\/2&&A[i\/2]>A[i])swap(A[i],A[i\/2]),Up(i\/2);
}
void Down(int i)
{
int p=i*2;if(p>n)return;
if(p+1<=n&&A[p+1]<A[p])++p;
if(A[i]>A[p])swap(A[i],A[p]),Down(p);
}
int main()
{
scanf("%d",&n);rep(i,n)scanf("%d",A+i+1),Up(i+1);
rep(i,n)swap(A[1],A[n–]),Down(1);
}\u57fa\u6570\u6392\u5e8f\uff08\u6bcf4\u4f4d\uff09\uff1a
#include <algorithm>
#include <cstdio>
#define rep(i,n) for(int i=0;i<n;i++)
const int inf=~0U>>2,maxn=1000000;
using namespace std;
int S0[maxn],S1[maxn],n,C[16]={};
int*A=S0,*B=S1;
int main()
{
scanf("%d",&n);rep(i,n)scanf("%d",A+i);
rep(x,4)
{
int d=x*4;rep(i,16)C[i]=0;
rep(i,n)C[(A[i]>>d)&15]++;rep(i,16)if(i)C[i]+=C[i-1];
for(int i=n-1;i>=0;i–)B[–C[(A[i]>>d)&15]]=A[i];
swap(A,B);
}
}\u65e0\u8bba\u4ece\u4ee3\u7801\u957f\u5ea6\u8fd8\u662f\u901f\u5ea6\u6765\u8bf4\u3002\u3002\u90fd\u662f\u57fa\u6570\u6392\u5e8f\u5f3a\u3002\u3002\u56e7\u554a\u3002\u3002 <\/p>\n","protected":false},"excerpt":{"rendered":"
\u6211SB\u4e86\u3002\u3002\u3002\u5404\u4f4d\u795e\u725bWS\u6211\u56e7\u3002\u3002\u3002\u3002\u6700\u8fd1\u6559\u4e00\u4e2a\u540c\u5b66\u6392\u5e8f\u4e8e\u662f\u5c31\u5199\u4e863\u4e2a\u6392\u5e8f\u7684\u57fa\u672c\u7b97\u6cd5\u3002\u3002\u6211\u53d1\u73b0\u57fa\u6570\u6392\u5e8f\u771f\u662f\u5feb\u7684\u8ddf\u9b3c\u4e00\u6837\u3002\u3002\u3002\u5feb\u901f\u6392\u5e8f\uff1a#include <iostream>#include <cstdlib>#define rep(i,n) for(int i=0;i<n;i++)const int inf=~0U>>1,maxn=10000000;using namespace std;int A[maxn];void sort(int l,int r){ if(r-l<2)return; int h=l,x=A[l+rand()%(r-l+1)]; for(int i=l;i<=r;i++)if(A[i]<x){int t=A[i];A[i]=A[h];A[h]=t;h++;} sort(l,h-1);sort(h+1,r);}int main(){ int n;cin>>n;rep(i,n)scanf("%d",A+i);sort(0,n-1);}\u5806\u6392\u5e8f\uff1a#include <cstdio>#define rep(i,n) for(int i=0;i<n;i++)const int inf=~0U>>1,maxn=10000000;using namespace std;int n,A[maxn];inline int swap(int&a,int&b){a^=b^=a^=b;}void Up(int i){ if(i\/2&&A[i\/2]>A[i])swap(A[i],A[i\/2]),Up(i\/2);}void Down(int i){ int p=i*2;if(p>n)return; if(p+1<=n&&A[p+1]<A[p])++p; if(A[i]>A[p])swap(A[i],A[p]),Down(p);}int main(){ scanf("%d",&n);rep(i,n)scanf("%d",A+i+1),Up(i+1); rep(i,n)swap(A[1],A[n–]),Down(1);}\u57fa\u6570\u6392\u5e8f\uff08\u6bcf4\u4f4d\uff09\uff1a#include <algorithm>#include <cstdio>#define rep(i,n) for(int i=0;i<n;i++)const int inf=~0U>>2,maxn=1000000;using […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[10],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts\/237"}],"collection":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=237"}],"version-history":[{"count":0,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts\/237\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}