Submission #596716

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
596716	2022-07-15 01:57:07	Temmie	Sky Walking (IOI19_walk)	C++17	15 / 100	157 ms	20132 KiB

walk

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#include <bits/stdc++.h>
long long min_distance(std::vector <int> a, std::vector <int> h,
std::vector <int> l, std::vector <int> r, std::vector <int> y,
int s, int e) {
  if (e < s) {
    std::swap(s, e);
  }
  int n = a.size();
  int m = y.size();
  std::vector <std::vector <std::pair <int, bool>>> inds(n + 1);
  for (int i = 0; i < m; i++) {
    inds[l[i]].emplace_back(y[i], true);
    inds[r[i] + 1].emplace_back(y[i], false);
  }
  inds[1].emplace_back(0, false);
  std::map <int, long long> mp;
  mp[0] = 0;
  std::set <int> st;
  for (int i = 0; i < n; i++) {
    for (auto p : inds[i]) {
      if (!p.second && !st.count(p.first)) {
        mp.erase(p.first);
      }
    }
    st.clear();
    for (auto p : inds[i]) {
      if (p.second) {
        auto it = mp.lower_bound(p.first);
        long long val = 1LL << 60;
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 0 / 14
• Subtask 3: 15 / 15
• Subtask 4: 0 / 18
• Subtask 5: 0 / 43