Submission #723842

#	Time	Username	Problem	Language	Result	Execution time	Memory
723842		Pety	Aliens (IOI16_aliens)	C++14	Compilation error	0 ms	0 KiB

aliens

#include <bits/stdc++.h>

using namespace std;

const long long INF = 1e18;
long long dp[502][502], cost[502][502];

long long take_photos(int n, int m, int k, vector<int>r, vector<int> c) {
  vector<pair<int, int>>p;
  p.push_back({-1, -1});
  for (int i = 0; i < n; i++) {
    if (r[i] > c[i])
      swap(r[i], c[i]);
    p.push_back({r[i], c[i]});
  }
  sort(p.begin(), p.end());
  for (int i = 0; i <= n; i++)
    for (int j = 0; j <= k; j++)
      dp[i][j] = INF;
  for (int j = 0; j <= k; j++)
    dp[0][j] = 0;
  for (int i = 1; i <= n; i++)
    for (int j = i, mx = 0; j <= n; j++) {
      mx = max(mx, p[j].second);
      cost[i][j] = 1ll * (1ll * mx - p[i].first + 1) * (mx - p[i].first + 1);
    }
  for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= k; j++) {
      for (int t = 0; t < i; t++)
        dp[i][j] = min(dp[t][j - 1] + cost[t + 1][i], dp[i][j]);
      dp[i][j] = min(dp[i][j - 1], dp[i][j]);
    }
  }
  return dp[n][k];
}

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);
    
    
    printf("%lld\n", ans);
    return 0;
}

/**
 5 7 2
 0 3
 4 4
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*/

Compilation message (stderr)

/usr/bin/ld: /tmp/ccV9ahys.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cck3nPvv.o:aliens.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status