HD1008简单题

#include <iostream>#include <fstream>using namespace std;int main(){//ifstream cin("input.txt");int floor[100],visit[100];memset(visit,0,sizeof(visit));int stop=5,upSpeed=6,downSpeed=4,n=0,pre,time;while (cin>>n&&n){time=0;for(int i=0;i<n;i++)cin>>floor[i];for (int i=0;i<n;i++){if(i==0)pre=0;elsepre=floor[i-1];if(floor[i]>=pre)time+=(floor[i]-pre)*upSpeed;elsetime+=(pre-floor[i])*downSpeed;}time+=n*stop;cout<<time<<endl;n=0;}return 0;}