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g497. 電梯 (Elevator) -- TOI 練習賽 202110 新手組 第2題 | From: [203.72.178.1] | 發表日期: 2025-09-23 17:39

hihi hihi

 

 

hihi

#include<iostream>
using namespace std;
int main ()
{
int n;
cin>>n;
int f[n+1]={1};
int pc=0;
for (int i=1; i<=n; i++)
{
cin>>f[i];
if(f[i]>f[i-1]) pc+=(f[i]-f[i-1])*3;
else pc+=(f[i-1]-f[i])*2;
}
cout<<pc<<endl;
}
#include<iostream>
using namespace std;
int main ()
{
int n;
cin>>n;
int f[n+1]={1};
int pc=0;
for (int i=1; i<=n; i++)
{
cin>>f[i];
if(f[i]>f[i-1]) pc+=(f[i]-f[i-1])*3;
else pc+=(f[i-1]-f[i])*2;
}
cout<<pc<<endl;
}
#include<iostream>
using namespace std;
int main ()
{
int n;
cin>>n;
int f[n+1]={1};
int pc=0;
for (int i=1; i<=n; i++)
{
cin>>f[i];
if(f[i]>f[i-1]) pc+=(f[i]-f[i-1])*3;
else pc+=(f[i-1]-f[i])*2;
}
cout<<pc<<endl;
}
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