oj.uz

Submission #882454

# Submission time Handle Problem Language Result Execution time Memory
882454 2023-12-03T08:11:29 Z MilosMilutinovic Treatment Project (JOI20_treatment) C++14
35 / 100
 3000 ms 44380 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, m;
  cin >> n >> m;
  vector<int> t(m), l(m), r(m), c(m);
  for (int i = 0; i < m; i++) {
    cin >> t[i] >> l[i] >> r[i] >> c[i];
    --l[i];
  }
  vector<vector<int>> g(m);
  for (int i = 0; i < m; i++) {
    for (int j = 0; j < m; j++) {
      if (i == j) {
        continue;
      }
      if (t[i] >= t[j]) {
        if (l[i] < l[j] + (t[i] - t[j]) && l[j] + (t[i] - t[j]) <= r[i]) {
          g[i].push_back(j);
        }
      } else {
        if (r[i] - (t[j] - t[i]) >= l[j] && l[j] > l[i] - (t[j] - t[i])) {
          g[i].push_back(j);
        }
      }
    }
  }
  const long long inf = (long long) 1e18;
  vector<long long> dist(m, inf);
  set<pair<long long, int>> st;
  for (int i = 0; i < m; i++) {
    if (l[i] == 0) {
      dist[i] = c[i];
      st.emplace(dist[i], i);
    }
  }
  while (!st.empty()) {
    auto it = st.begin();
    int i = it->second;
    st.erase(it);
    for (int j : g[i]) {
      if (dist[j] > dist[i] + c[j]) {
        if (dist[j] != inf) {
          st.erase(st.find({dist[j], j}));
        }
        dist[j] = dist[i] + c[j];
        st.emplace(dist[j], j);
      }
    }
  }
  long long res = inf;
  for (int i = 0; i < m; i++) {
    if (r[i] == n) {
      res = min(res, dist[i]);
    }
  }
  cout << (res == inf ? -1 : res) << '\n';
  return 0;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3034 ms 4992 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 226 ms 37836 KB Output is correct
21 Correct 232 ms 37852 KB Output is correct
22 Correct 139 ms 852 KB Output is correct
23 Correct 143 ms 1024 KB Output is correct
24 Correct 108 ms 15036 KB Output is correct
25 Correct 54 ms 2388 KB Output is correct
26 Correct 65 ms 852 KB Output is correct
27 Correct 40 ms 668 KB Output is correct
28 Correct 112 ms 15068 KB Output is correct
29 Correct 77 ms 2384 KB Output is correct
30 Correct 43 ms 860 KB Output is correct
31 Correct 48 ms 604 KB Output is correct
32 Correct 242 ms 37368 KB Output is correct
33 Correct 241 ms 44380 KB Output is correct
34 Correct 179 ms 1252 KB Output is correct
35 Correct 243 ms 36648 KB Output is correct
36 Correct 232 ms 44260 KB Output is correct
37 Correct 177 ms 1380 KB Output is correct

Subtask #4
0 / 61.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3034 ms 4992 KB Time limit exceeded
2 Halted 0 ms 0 KB -