Hdu 4505 小Q系列故事——电梯里的爱情

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=4505

思路：所有人一开始都在电梯里。水题。

#include <cstdio>#include <iostream>#include <algorithm>using namespace std;int data[20];int main (){#ifdef ONLINE_JUDGE#else    freopen("read.txt","r",stdin);#endif int T,n;scanf("%d",&T);while (T--){int i,ans=0,now=0;scanf("%d",&n);data[0]=0;for (i=1;i<=n;i++)scanf("%d",&data[i]);sort(data,data+n+1);for (i=1;i<=n;i++){if (data[i]==data[i-1]){ans+=1;continue;}ans+=(data[i]-data[i-1])*6+5+1;}ans+=data[n]*4;printf("%d\n",ans);}return 0;}