Submission #100605

#	Time	Username	Problem	Language	Result	Execution time	Memory
100605		kraljlavova1	Simfonija (COCI19_simfonija)	C++11	44 / 110	55 ms	7176 KiB

simfonija

#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef pair<int, int> pii;
const int MAXN = 1e5 + 10, MAX = 2e6 + 10;
int n, k, dif, dsol;
int a[MAXN], b[MAXN];
int s[2 * MAX];
ll cur, sol = 4e18;
vector<int> vd;
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);cout.tie(NULL);
	cin >> n >> k;
	for(int i = 0;i < n; i++){
		cin >> a[i];
	}
	for(int i = 0;i < n; i++){
		cin >> b[i];
	}
	for(int i = 0;i < n; i++){
		s[b[i] - a[i] + 1 + MAX] += 2;
	}
	for(int i = 0;i < n; i++){
		int p = a[i] - MAX;
		cur += b[i] - p + 1;
	}
	dif = -n;
	for(int i = -MAX;i < MAX; i++){
		dif += s[i + MAX];
		cur += dif;
		if(cur < sol){
			sol = cur;
			dsol = i;
		}
	}
	for(int i = 0;i < n; i++){
		a[i] += dsol;
		vd.push_back(abs(b[i] - a[i]));
	}
	sort(vd.begin(), vd.end());
	reverse(vd.begin(), vd.end());
	for(int i = 0;i < min(k, (int)vd.size()); i++){
		sol -= vd[i];
	}
	cout << sol << "\n";
	return 0;
}

• Subtask 1: 11 / 11
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 11 / 11
• Subtask 5: 0 / 11
• Subtask 6: 0 / 11
• Subtask 7: 0 / 11
• Subtask 8: 0 / 11
• Subtask 9: 0 / 11
• Subtask 10: 0 / 11