#include<bits/stdc++.h>
#define el '\n'
#define fi first
#define sc second
#define int ll
#define pii pair<int, int>
#define all(v) v.begin(), v.end()
using namespace std;
using ll=long long;
using ull=unsigned long long;
using ld=long double;
const int mod=1e9+7;
const int N=1e5+11;
int n, a[N], pa[N];
pii b[N];
struct gg
{
int u, v, w;
};
vector<gg> e;
int lead(int u)
{
if(pa[u]==u) return u;
return pa[u]=lead(pa[u]);
}
bool cmp(gg x, gg y)
{
return x.w < y.w;
}
void sol()
{
cin >> n;
for(int i=1;i<=n;i++) cin >> a[i], pa[i]=i, b[i].fi=a[i], b[i].sc=i;
sort(b+1, b+n+1);
for(int i=1;i<=n;i++)
{
if(b[1].sc!=i) e.push_back({i, b[1].sc, a[i]+b[1].fi});
else e.push_back({i, b[2].sc, a[i]+b[2].fi});
}
sort(all(e), cmp);
int ans=0;
for(auto x:e)
{
int u=lead(x.u), v=lead(x.v);
if(u!=v)
{
pa[u]=v;
ans+=x.w;
}
}
cout << ans;
}
signed main()
{
// freopen("divisor.INP", "r", stdin);
// freopen("divisor.OUT", "w", stdout);
ios_base::sync_with_stdio(0);
cin.tie(0);
int t=1;
//cin >> t;
while(t--)
{
sol();
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |