#include<bits/stdc++.h>
#include "aliens.h"
using namespace std;
int N, M, K;
vector<int> R, C;
vector<vector<long long>> dp;
long long rec(int idx, int k){
if(idx == N) return 0;
if(k == K-1) return (R[N-1] - R[idx] + 1)*(R[N-1] - R[idx] + 1);
if(dp[idx][k] != -1) return dp[idx][k];
long long res = LLONG_MAX;
for(int i = idx; i < N; i++){
long long c = (R[i] - R[idx] + 1) * (R[i] - R[idx] + 1);
c += rec(i+1, k+1);
res = min(c, res);
}
dp[idx][k] = res;
return res;
}
long long take_photos(int _N, int _M, int _K, std::vector<int> _R, std::vector<int> _C) {
N = _N;
M = _M;
K = _K;
R = _R;
C = _C;
sort(R.begin(), R.end());
dp = vector<vector<long long>> (N, vector<long long> (K,-1));
return rec(0, 0);
}
