Submission #225185

#	Time	Username	Problem	Language	Result	Execution time	Memory
225185		Vimmer	Simfonija (COCI19_simfonija)	C++14	0 / 110	41 ms	2688 KiB

simfonija

#include <bits/stdc++.h>

//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")

#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define N 200005
#define MOD ll(998244353)

using namespace std;

typedef long long ll;

typedef long double ld;




int main()
{

    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    ll n, k;

    cin >> n >> k;

    ll a[n], b[n];

    for (ll i = 0; i < n; i++) cin >> a[i];

    for (ll i = 0; i < n; i++) cin >> b[i];

    vector <ll> g(n);

    for (ll i = 0; i < n; i++) g[i] = a[i] - b[i];

    sort(g.begin(), g.end());

    ll sum = 0, ans = 1e18;

    for (int i = 0; i < n - k; i++) sum += g[i];

    ll l = 0, r = n - k - 1;

    while (r < n)
    {
        ll mdr = (r - l + 1) / 2;

        ll mdl = mdr - 1;

        ans = min(ans, min(abs(mdl >= 0 ? (r - l + 1) * (-g[mdl]) + sum : ll(1e18)), abs(mdr < n ? (r - l + 1) * (-g[mdr]) + sum : ll(1e18))));

        sum -= g[l];

        l++; r++;

        sum += g[r];
    }
    cout << ans << endl;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 11
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• Subtask 10: 0 / 11