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- #include <bits/stdc++.h>
- using namespace std;
- int main(){
- ios_base::sync_with_stdio(0), cin.tie(0);
- // freopen("arena.in", "r", stdin);
- int n;
- cin >> n;
- int r[n];
- for(int i=0; i<n; i++){
- cin >> r[i];
- }
- int sum = 0;
- int mn = INT_MAX;
- for(int i=0; i<n; i++){
- int j = i+1;
- for(int k=0; k<n-1; k++){
- sum+=(r[(j+k)%n]*(k+1));
- // cout << "sum: " << sum << '\n';
- // cout << r[(j+k)%n] << '\n';
- }
- mn = min(mn, sum);
- sum = 0;
- }
- cout << mn << '\n';
- }
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