This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include "aliens.h"
using namespace std;
const int MAX_K = 505;
const int MAX_N = 505;
const long long INF = 1e18 + 7;
int N, M, K;
int id[MAX_N];
long long dp[MAX_K][MAX_N];
long long take_photos(int n, int m, int k, vector <int> r, vector <int> c) {
N = n, M = m, K = k;
for (int i = 0; i < N; i++) id[i] = i;
sort(id, id + N, [&](const int &a, const int &b) {
return r[a] < r[b];
});
for (int i = 1; i <= N; i++) dp[0][i] = INF;
for (int k = 1; k <= K; k++) {
for (int i = 1; i <= N; i++) {
dp[k][i] = INF;
for (int j = i; j >= 1; j--) {
long long cost = (r[id[i - 1]] - r[id[j - 1]] + 1) * (r[id[i - 1]] - r[id[j - 1]] + 1);
dp[k][i] = min(dp[k][i], cost + dp[k - 1][j - 1]);
}
}
}
long long ans = INF;
for (int k = 1; k <= K; k++) ans = min(ans, dp[k][N]);
return ans;
}
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