competitive-programming/codeforces/1397/B.cpp at master · lior5654/competitive-programming · GitHub

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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp> // Common file
#include <ext/pb_ds/tree_policy.hpp> // Including

using namespace __gnu_pbds;
using namespace std;


typedef long long int ll;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
typedef vector<vpi> vvpi;
typedef vector<vpl> vvpl;
typedef set<int> si;
typedef multiset<int> msi;
typedef set<ll> sl;
typedef multiset<ll> msl;
typedef tree<
int,
null_type,
less<int>,
rb_tree_tag,
tree_order_statistics_node_update>
ordered_set;

#define clrcin cin.ignore(numeric_limits<streamsize>::max(),'\n');
#define GOGOGO ios::sync_with_stdio(false); cin.tie(nullptr);
#define BYEBYE return 0;

#define all(cn) (cn).begin(), (cn).end()
#define rep(i, n) for (int i = 0; i < n; ++i)
#define repk(i, k, n) for(int i = k; i < n; ++i)

#define mp make_pair
#define pb push_back
#define fi first
#define se second

#define popcnt __builtin_popcount
#define gcd std::__detail::__gcd
#define lcm std::__detail::__lcm

const int INFI = 1e9 + 5;
const ll INFL = 4e18 + 5;

template<class T> void aread(T* arr, int ___n)
{
    rep(i, ___n)
    {
        cin >> arr[i];
    }
}


// LIORZ LIORZ LIORZ LIORZ LIORZ


const int maxn = 1e5 + 5;
ll a[maxn];
void solve()
{
    int n; cin >> n;
    aread(a, n);
    sort(a, a+n);
    ll best = INFL;
    ll curr = 1;
    while(true)
    {
        ll pcurr = 1;
        ll p = 0;
        bool good = true;
        for(int i = 0; i < n; ++i)
        {
            p += abs(a[i] - pcurr);
            pcurr *= curr;
            if(pcurr > 10000000000LL && i < n - 1)
            {
                good = false;
            }
        }
        if(!good) break;
        best = min(best, p);
        curr++;
    }
    cout << best << endl;


}


int main()
{
    GOGOGO
    int t;
    t=1;
    //cin >> t;
    while(t--)
    {
        solve();
    }
    BYEBYE
}

/* PLEASE READ THIS
* N = 1
* GUESS A!!!!!!!
* DO SOMETHING INSTEAD OF NOTHING
*/