Submission #886599

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
886599	2023-12-12 11:44:09	Kel_Mahmut	Towers (NOI22_towers)	C++17	0 / 100	1676 ms	169412 KiB

Main

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#include <bits/stdc++.h>
#define pb push_back
#define all(aa) aa.begin(), aa.end()
using namespace std;
constexpr int maxn = 1e6;
int main(){
  int n;
  cin >> n;
  vector<vector<int>> X_vals(maxn);
  map<pair<int, int>, int> index;
  vector<vector<pair<int, int>>> Y_act(maxn); // cord, type (1 if it is upper bound, -1 if lower bound)
  vector<int> vis(n);
  for(int i = 0; i < n; i++){
    int x, y;
    cin >> x >> y;
    --x, --y;
    index[{x, y}] = i;
    X_vals[x].pb(y);
  }
  for(int i = 0; i < maxn; i++){
    if(!X_vals[i].empty())
      sort(all(X_vals[i]));
  }
  function<void(int)> fix = [&](int y){
    if(Y_act[y].size() <= 2){
      return;
    }
 
 
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Compilation message (stderr)

Main.cpp: In lambda function:
Main.cpp:55:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |    if(y_nxt >= X_vals[to_fix[0]].size())
      |       ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 11
• Subtask 3: 0 / 7
• Subtask 4: 0 / 6
• Subtask 5: 0 / 31
• Subtask 6: 0 / 21
• Subtask 7: 0 / 19