Submission #469046

#	Time	Username	Problem	Language	Result	Execution time	Memory
469046		flashmt	Aliens (IOI16_aliens)	C++17	Compilation error	0 ms	0 KiB

aliens

#include <bits/stdc++.h>
using namespace std;
const long long oo = 1LL << 60;

long long take_photos(int n, int m, int k, vector<int> r, vector<int> c)
{
  vector<int> id(n);
  for (int i = 0; i < n; i++)
  {
    if (r[i] > c[i])
      swap(r[i], c[i]);
    id[i] = i;
  }
  sort(begin(id), end(id), [&](int u, int v) { return r[u] + c[u] < r[v] + c[v]; });

  vector<vector<long long>> f(n + 1, vector<long long>(n + 1, oo));
  f[0][0] = 0;
  for (int i = 1; i <= k; i++)
    for (int j = 1; j <= n; j++)
    {
      f[i][j] = oo;
      int minX = n, maxY = -1;
      for (int jj = j - 1; jj >= 0; jj--)
      {
        minX = min(minX, r[id[jj]]);
        maxY = max(maxY, c[id[jj]]);
        int area = (maxY - minX + 1LL) * (maxY - minX + 1);
        f[i][j] = min(f[i][j], f[i - 1][jj] + area);
      }
    }

  long long ans = oo;
  for (int i = 1; i <= k; i++)
    ans = min(ans, f[i][n]);
  return ans;
}

int main() {
    int n, m, k;
    assert(3 == scanf("%d %d %d", &n, &m, &k));
    std::vector<int> r(n), c(n);
    for (int i = 0; i < n; i++) {
        assert(2 == scanf("%d %d", &r[i], &c[i]));
    }
    long long ans = take_photos(n, m, k, r, c);
    cout << ans << endl;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cciSubRR.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccr2axJR.o:aliens.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status