#include "aliens.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef complex<ld> point;
void debug_out() {cerr << endl;}
template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T){
cerr << H << ' ';
debug_out(T...);
}
#define debug(...) cerr << "(" << #__VA_ARGS__ << "): ", debug_out(__VA_ARGS__)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define MP(x, y) make_pair(x, y)
const int maxn = 500 + 10;
const ll inf = 1e18;
ll dp[maxn][maxn];
long long take_photos(int n, int m, int k, std::vector<int> r, std::vector<int> c) {
sort(all(r));
for (int i = 1; i <= n; i++){
dp[i][0] = inf;
for (int j = 1; j <= k; j++){
dp[i][j] = dp[i][j-1];
for (int k = 0; k < i; k++){
dp[i][j] = min(dp[i][j], dp[k][j-1] + (r[i-1] - r[k] + 1) * (r[i-1] - r[k] + 1));
}
}
}
return dp[n][k];
}
