#include <bits/stdc++.h>
#include "aliens.h"
#define X first
#define Y second
#define MAXK 510
#define MAXN 50010
#define INF 1000000000000000000LL
using namespace std;
typedef long long int lli;
typedef pair<lli,lli> pii;
lli N, M, K;
lli dp[MAXN][MAXK];
vector<pii> points;
lli cost(int i, int j)
{
lli dif = points[i].X - points[j].X + 1;
return dif*dif;
}
lli DP(int i, int k)
{
if(dp[i][k] != -1) return dp[i][k];
if(i == 0) return dp[i][k] = 0;
if(k == 0) return dp[i][k] = INF;
dp[i][k] = INF;
for(int g = 1 ; g <= i ; g++)
dp[i][k] = min(dp[i][k] , DP(g - 1 , k - 1) + cost(i , g));
return dp[i][k];
}
long long int take_photos(int n, int m, int k, std::vector<int> r, std::vector<int> c)
{
N = n; M = m; K = k;
memset(dp , -1 , sizeof(dp));
points.push_back({-1 , -1});
for(int g = 0 ; g < n ; g++)
points.push_back({c[g] , r[g]});
sort(points.begin(),points.end());
return DP(n , k);
}
/*int main()
{
int nn, mm, kk;
int n1, n2;
scanf("%d %d %d",&nn,&mm,&kk);
vector<int> xx, yy;
for(int g = 0 ; g < nn ; g++)
{
scanf("%d %d",&n1,&n2);
xx.push_back(n1);
yy.push_back(n2);
}
printf("%lld\n",take_photos(nn , mm , kk , xx , yy));
}*/
