Submission #435860

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
435860	2021-06-23 19:55:07	Noam527	Keys (IOI21_keys)	C++17	100 / 100	2078 ms	130260 KiB

keys

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#include <bits/stdc++.h>
typedef long long ll;
typedef long double ldb;
const int md = 1e9 + 7;
const ll inf = 3e18;
const int OO = 0;
using namespace std;
const int N = 3e5 + 5;
struct group {
  int root;
  int state; // 0,1,2
  int cursed; // 0,1
  set<pair<int, int>> e;
  set<int> k;
  vector<int> q;
  group() {}
  int work() {
    while (q.size()) {
      int ke = q.back();
      auto it = e.lower_bound(make_pair(ke, -1));
      if (it != e.end() && it->first == ke) {
        int res = it->second;
        e.erase(it);
        return res;
      }
      q.pop_back();
    }
    return -1;
 
 
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Compilation message (stderr)

keys.cpp: In function 'std::vector<int> find_reachable(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
keys.cpp:105:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  105 |    for (const auto &i : stack) cout << i << " "; cout << '\n';
      |    ^~~
keys.cpp:105:50: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  105 |    for (const auto &i : stack) cout << i << " "; cout << '\n';
      |                                                  ^~~~
keys.cpp:160:26: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  160 |   if (clusters[i].size() == mnsize) {
      |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 11 / 11
• Subtask 3: 17 / 17
• Subtask 4: 30 / 30
• Subtask 5: 33 / 33