#include<iostream>
#include<string>
#include<algorithm>
using namespace std;
int CanCircle(int station[],int gas[],int n,int w){
int sumgas=0;
int i=1;
int time=n;
while(time>0){
sumgas+=gas[i]-gas[i-1]-w*(station[i]-station[i-1]);
if(sumgas<0)
{
sumgas=0;
start=i;
time=n;
}else{
time--;
}
i=(i+1)%n;
}
}
int main(){
return 0;
}