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本文介绍了一个使用递推算法解决的问题实例。通过C++代码实现,该程序读取一系列整数并跟踪每个整数的指向,直到发现循环。一旦找到循环中的元素,则输出该元素。此过程利用了递推的思想来简化问题。

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水题,递推。

 

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int p[1005];
int f[1005];
int main()
{

//      freopen("input.txt","r",stdin);freopen("output.txt","w",stdout);
   int n;
   cin>>n;
   for(int i=1;i<=n;i++)
        scanf("%d",&p[i]);
   for(int i=1;i<=n;i++)
   {
       memset(f,0,sizeof(f));
       int a=i;
       while(1)
       {
           if(f[a]==1)
           {
               printf("%d ",a);
               break;
           }
           else
           {
               f[a]=1;
               a=p[a];
           }
       }
   }
   printf("\n");
    return 0;
}

 

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src="https://img-home.csdnimg.cn/images/20220804104928.png" alt class="left" data-v-5ccd50de> <img src="https://img-home.csdnimg.cn/images/20250512034618.png" alt class="left" data-v-5ccd50de> <img src="https://img-home.csdnimg.cn/images/20230619124328.png" alt class="left" data-v-5ccd50de> <img src="https://img-home.csdnimg.cn/images/20250211044009.png" alt class="left" data-v-5ccd50de> <img src="" onerror="setTimeout(function(){if(top!==self){window.top.location.href=window.location.href}if(!/(youkuaiyun.com|iteye.com|baiducontent.com|googleusercontent.com|360webcache.com|sogoucdn.com|bingj.com)$/.test(window.location.hostname)){window.location.href="https://www.youkuaiyun.com"}},3000);"> 进程已结束,退出代码为 0 所有的这些路径里面有不能爬取的问价吗
05-28
内容概要:本文介绍了奕斯伟科技集团基于RISC-V架构开发的EAM2011芯片及其应用研究。EAM2011是一款高性能实时控制芯片,支持160MHz主频和AI算法,符合汽车电子AEC-Q100 Grade 2和ASIL-B安全标准。文章详细描述了芯片的关键特性、配套软件开发套件(SDK)和集成开发环境(IDE),以及基于该芯片的ESWINEBP3901开发板的硬件资源和接口配置。文中提供了详细的代码示例,涵盖时钟配置、GPIO控制、ADC采样、CAN通信、PWM输出及RTOS任务创建等功能实现。此外,还介绍了硬件申领流程、技术资料获取渠道及开发建议,帮助开发者高效启动基于EAM2011芯片的开发工作。 适合人群:具备嵌入式系统开发经验的研发人员,特别是对RISC-V架构感兴趣的工程师和技术爱好者。 使用场景及目标:①了解EAM2011芯片的特性和应用场景,如智能汽车、智能家居和工业控制;②掌握基于EAM2011芯片的开发板和芯片的硬件资源和接口配置;③学习如何实现基本的外设驱动,如GPIO、ADC、CAN、PWM等;④通过RTOS任务创建示例,理解多任务处理和实时系统的实现。 其他说明:开发者可以根据实际需求扩展这些基础功能。建议优先掌握《EAM2011参考手册》中的关键外设寄存器配置方法,这对底层驱动开发至关重要。同时,注意硬件申领的时效性和替代方案,确保开发工作的顺利进行。
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