Submission #1006313

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006313		MilosMilutinovic	Fish (IOI08_fish)	C++14	16 / 100	3060 ms	12480 KiB

fish

#include <bits/stdc++.h>

using namespace std;

int md;

int add(int a, int b) {
  return a + b < md ? a + b : a + b - md;
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, k;
  cin >> n >> k >> md;
  vector<int> l(n);
  vector<int> t(n);
  for (int i = 0; i < n; i++) {
    cin >> l[i] >> t[i];
  }
  set<vector<int>> st;
  for (int mask = 1; mask < (1 << n); mask++) {
    vector<int> v;
    vector<int> f;
    for (int i = 0; i < n; i++) {
      if (mask >> i & 1) {
        v.push_back(l[i]);
        f.push_back(t[i]);
      }
    }
    sort(v.begin(), v.end());
    sort(f.begin(), f.end());
    if ((int) v.size() == 1 || v.back() >= v.rbegin()[1] * 2) {
      st.insert(f);
    }
  }
  cout << (int) st.size() % md << '\n';
  return 0;
}

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• Subtask 3: 4 / 4
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