제출 #1326821

#제출 시각아이디문제언어결과실행 시간메모리
1326821Faisal_SaqibSimfonija (COCI19_simfonija)C++20
44 / 110
31 ms2360 KiB
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
typedef long long ll;
int main()
{
    ios::sync_with_stdio(0);
    cout.tie(0);
    cin.tie(0);
    int n,k;
    cin>>n>>k;
    int a[n],b[n],c[n];
    for(int i=0;i<n;i++)cin>>a[i];
    ll ans=0,sm1=0,sm2=0;
    vector<int> pos,neg;
    for(int i=0;i<n;i++)cin>>b[i],c[i]=a[i]-b[i],ans+=abs(c[i]);
    for(int i=0;i<n;i++)
    {
        if(c[i]<0)
        {
            neg.push_back(c[i]);
        }
        else
        {
            pos.push_back(c[i]);
        }
    }
    sort(c,c+n);
    sort(begin(pos),end(pos));
    sort(begin(neg),end(neg));
    vector<int> tr;
    tr.push_back(-c[n/2]);
    for(auto x:tr)
    {
        for(int i=0;i<n;i++)
        {
            c[i]=abs((a[i]+x)-b[i]);
        }
        sort(c,c+n);
        ll cur=0;
        for(int i=0;i<n-k;i++)
        {
            cur+=c[i];
        }
        ans=min(ans,cur);
    }
    cout<<ans<<endl;
}
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