{"id":241,"date":"2024-06-26T22:32:24","date_gmt":"2024-06-26T14:32:24","guid":{"rendered":"http:\/\/www.heartwarming.online:8003\/?p=241"},"modified":"2024-06-26T22:34:03","modified_gmt":"2024-06-26T14:34:03","slug":"%e5%a0%86%e6%8e%92%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/blog.heartwarming.online\/index.php\/2024\/06\/26\/%e5%a0%86%e6%8e%92%e5%ba%8f\/","title":{"rendered":"\u5806\u6392\u5e8f"},"content":{"rendered":"\n

\u57fa\u672c\u539f\u7406\uff1a<\/h2>\n\n\n\n

\u5229\u7528\u6570\u7ec4\u6a21\u62df\u5806\uff0c\u6a21\u62df\u51fa\u7684\u5806\u672c\u8d28\u4e0a\u662f\u4e00\u68f5\u5b8c\u5168\u4e8c\u53c9\u6811\uff0c\u5b8c\u5168\u4e8c\u53c9\u6811\u6307\u7684\u662f\u4ece\u5012\u6570\u7b2c\u4e8c\u5c42\u5f00\u59cb\uff0c\u6bcf\u4e00\u4e2a\u8282\u70b9\u90fd\u662f\u6ee1\u7684\uff0c\u5e76\u4e14\u6700\u540e\u4e00\u5c42\u662f\u4ece\u5de6\u5230\u53f3\u6392\u5217\uff0c\u8fd9\u4e2a\u4e8c\u53c9\u6811\u6bd4\u8f83\u7279\u6b8a\uff0c\u5176\u4e2d\u5b58\u50a8\u7684\u6570\u636e\u7b26\u5408\u7279\u5b9a\u7684\u89c4\u5f8b\uff0c\u6bcf\u4e2a\u7ed3\u70b9i\u7684\u5de6\u4e0b\u65b9\u5b50\u8282\u70b9\u4e0b\u6807\u4e3a2i\uff0c\u53f3\u5b50\u8282\u70b9\u4e3a2<\/em>i+1\uff0c\u5e76\u4e14\u4e09\u4e2a\u5143\u7d20\u4e2d\uff0c\u4e0a\u65b9\u7ed3\u70b9\u7684\u503c\u6700\u5c0f\uff0c\u6240\u4ee5\u5806\u9876\u5143\u7d20\u662f\u6700\u5c0f\u7684\uff0c\u6570\u503c\u8d8a\u5927\u7684\u8d8a\u9760\u8fd1\u4e0b\u5c42\uff0c\u90a3\u4e48\u5728\u5b9e\u73b0\u5806\u6392\u5e8f\u65f6\uff0c\u53ea\u9700\u628a\u6570\u7ec4\u7528\u5806\u5b58\u50a8\u597d\uff0c\u518d\u4f9d\u6b21\u8f93\u51fa\u5806\u9876\u5143\u7d20\uff0c\u5c31\u5b8c\u6210\u4e86\u5806\u6392\u5e8f\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u5b9e\u73b0\u8fc7\u7a0b\uff1a<\/h2>\n\n\n\n

\u8bfb\u5165\u6570\u636e\uff0c\u5b9e\u73b0\u5c0f\u6839\u5806<\/h3>\n\n\n\n
cin>>n;
for(int i=1;i<=n;i++)
cin>>h[i];
for(int i=n\/2;i;i--)
down(i);<\/code><\/pre>\n\n\n\n
\u5b9e\u73b0down\u64cd\u4f5c(\u5229\u7528\u9012\u5f52\u53cd\u590d\u5728\u4e09\u4e2a\u8282\u70b9\u4e2d\u6bd4\u8f83\uff0c\u5982\u679c\u7ed3\u70b9\u503c\u5927\u4e8e\u5b50\u8282\u70b9\u503c\uff0c\u5219\u4ea4\u6362\u4e24\u4e2a\u6570\uff0c\u76f4\u5230\u6ee1\u8db3\u5c0f\u6839\u5806\u7684\u6761\u4ef6)<\/h3>\n\n\n\n
void down(int u)
{
    int t=u;
    if(2*u<=cnt&&h[2*u]<h[t]) t=2*u;
    if(2*u+1<=cnt&&h[2*u+1]<h[t]) t=2*u+1;
    if(t!=u)
    {
        swap(h[u],h[t]);
        down(t);
    }
}<\/code><\/pre>\n\n\n\n
\u9010\u6b21\u8f93\u51fa\u9876\u90e8\u7684\u6839\u8282\u70b9<\/h3>\n\n\n\n
while(m--)
{
    printf(\"%d \",h[1]);
    h[1]=h[cnt--];
    down(1);
}<\/code><\/pre>\n\n\n\n
\u4ee3\u7801\u5b9e\u73b0\uff1a<\/h2>\n\n\n\n
#include <iostream>
#include <algorithm>
using namespace std;
const int N=100010;
int h[N];
int n,m,cnt;
int main()
{
    cin>>n>>m;
    cnt=n;
    for(int i=1;i<=n;i++)
        cin>>h[i];
    for(int i=n\/2;i;i++)
        down(i);
    while(m--)
    {
        printf(\"%d \",h[1]);
        h[1]=h[cnt--];
        down(1);
    }
    r
}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
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