Submission #630567

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
630567	2022-08-16 14:58:05	CyanForces	Rarest Insects (IOI22_insects)	C++17	100 / 100	70 ms	888 KiB

insects

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#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define debug(...) //ignore
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef long double ld;
int min_cardinality(int N) {
  int ADD = 0, REM = 0, QUE = 0;
  int n = N;
  set<int> active;
  set<int> dead;
  set<int> basis;
  using H = unsigned long long;
  vector<H> rnd(n);
  mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
  rep(i,0,n) rnd[i] = rng();
  H hsh = 13;
  map<H,int> queried;
  queried[hsh] = 0;
 
 
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Compilation message (stderr)

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:96:6: warning: unused variable 'R' [-Wunused-variable]
   96 |   ld R = ld(max({ADD,REM,QUE}))/ld(n);
      |      ^

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 75 / 75