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Submission #660561

# Submission time Handle Problem Language Result Execution time Memory
660561 2022-11-22T09:45:07 Z 600Mihnea trapezoid (balkan11_trapezoid) C++17
50 / 100
 500 ms 5320 KB 
bool home = 0;

#include <bits/stdc++.h>

using namespace std;

const int MODULO = 30013;

struct T
{
  int a;
  int b;
  int c;
  int d;
};

bool operator < (T first, T second)
{
  return first.b < second.b;
}

int main()
{
  if (home == 0)
  {
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  }
  else
  {
    freopen ("input.txt", "r", stdin);
  }

  int n;
  cin >> n;
  vector<T> v(n);

  for (auto &it : v)
  {
    cin >> it.a >> it.b >> it.c >> it.d;
  }
  sort(v.begin(), v.end());
  vector<int> dp(n, 0), ways(n, 0);
  for (int i = 0; i < n; i++)
  {
    dp[i] = 1;
    ways[i] = 1;

    for (int j = 0; j < i; j++)
    {
      if (v[j].b < v[i].a && v[j].d < v[i].c)
      {
        if (dp[j] + 1 > dp[i])
        {
          dp[i] = dp[j] + 1;
          ways[i] = ways[j];
        }
        else
        {
          if (dp[j] + 1 == dp[i])
          {
            ways[i] = (ways[i] + ways[j]) % MODULO;
          }
        }
      }
    }
  }
  int mx = *max_element(dp.begin(), dp.end()), cnt = 0;
  for (int i = 0; i < n; i++)
  {
    if (dp[i] == mx)
    {
      cnt = (cnt + ways[i]) % MODULO;
    }
  }
  cout << mx << " " << cnt << "\n";
  return 0;
}

Compilation message

trapezoid.cpp: In function 'int main()':
trapezoid.cpp:30:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |     freopen ("input.txt", "r", stdin);
      |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
50.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 3 ms 368 KB Output is correct
5 Correct 7 ms 340 KB Output is correct
6 Correct 15 ms 468 KB Output is correct
7 Correct 17 ms 508 KB Output is correct
8 Correct 14 ms 468 KB Output is correct
9 Correct 109 ms 724 KB Output is correct
10 Correct 422 ms 1316 KB Output is correct
11 Execution timed out 937 ms 1576 KB Time limit exceeded
12 Execution timed out 1045 ms 2752 KB Time limit exceeded
13 Execution timed out 1057 ms 3404 KB Time limit exceeded
14 Execution timed out 1053 ms 3896 KB Time limit exceeded
15 Execution timed out 1076 ms 4036 KB Time limit exceeded
16 Execution timed out 1051 ms 4248 KB Time limit exceeded
17 Execution timed out 1074 ms 4592 KB Time limit exceeded
18 Execution timed out 1073 ms 4812 KB Time limit exceeded
19 Execution timed out 1067 ms 4996 KB Time limit exceeded
20 Execution timed out 1076 ms 5320 KB Time limit exceeded