题目
题解

标程：

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=50003;
struct kk{
    int x,id;
}a[N];
ll ans,mn;
int n,i,vis[N];
bool cmp(kk x,kk y){
    return x.x<y.x;
}
ll solve(int k){
    ll Min=a[k].x,sum=a[k].x;
    int p=a[k].id,cnt=0;
    vis[k]=1;
    while (p!=k){
        sum+=a[p].x;
        vis[p]=1;
        p=a[p].id;
        cnt++;
    }
    return sum+min(Min*(cnt-1),mn*(cnt+2)+Min);
}
int main(){
    scanf("%d",&n);
    for (i=1;i<=n;i++) scanf("%d",&a[i].x),a[i].id=i;
    sort(a+1,a+n+1,cmp);
    mn=a[1].x;
    for (i=1;i<=n;i++)
        if (!vis[i]) ans+=solve(i);
    printf("%lld",ans);
}