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Biker’s Trip Odometer题目Problem DescriptionMost bicycle speedometers work by using a Hall Effect sensor fastened to the front fork of the bicycle. A magnet is attached to one of the spokes on the front wheel so that it will line up with the Hall Effect s

Elevator电梯#include<stdio.h>int main(){ int n,time; char ch; while(scanf("%d",&n)!=EOF) { int a[n],i=1; scanf("%d",&a[0]); time=n*5+a[0]*6; while(getchar()!='\n') { scanf("%d",&a[i]); if(a[i]<a[i-1]) time+=4*