PHP操作MongoDB 資料庫總結記錄_PHP教程

#include#include#includeusing namespace std;int vis[5000];vector map[5000];int ans;void dfs(int k,int num){    vis[k]=num;     //相當於給每個結點編號    for(int i=0;i2&&tmp>ans)            ans=tmp;        }    }}int main(){    int n,m,a,b,c;    int cas;    scanf("%d",&cas);    while(cas--)    {        ans=0;        scanf("%d%d",&n,&m);        for(int i=1;i<=n;i++)        {            map[i].clear();        }        for(int i=1;i<=m;i++)        {            scanf("%d%d",&a,&b);            map[a].push_back(b);            map[b].push_back(a);        }        memset(vis,0,sizeof(vis));        for(int i=1;i<=n;i++)        {            if(!vis[i]);            dfs(i,0);        }        printf("%d\n",ans);    }    return 0;}

http://www.bkjia.com/PHPjc/477210.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/477210.htmlTechArticle#includecstdio#includecstring#includevectorusing namespace std;int vis[5000];vectorint map[5000];int ans;void dfs(int k,int num){ vis[k]=num; //相當於給每個結點編號 for(i...

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