Submission #827991

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
827991	2023-08-17 00:53:05	arnold518	Rarest Insects (IOI22_insects)	C++17	100 / 100	53 ms	336 KiB

insects

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#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 2000;
int A[MAXN+10], B[MAXN+10], P[MAXN+10];
int min_cardinality(int N)
{
  for(int i=0; i<N; i++) P[i]=i;
  random_shuffle(P, P+N);
  for(int i=0; i<N; i++)
  {
    move_inside(P[i]); A[i]=1;
    if(press_button()>1)
    {
      move_outside(P[i]); A[i]=0;
    }
  }
  int cnt=0;
  for(int i=0; i<N; i++) cnt+=A[i];
  for(int i=0; i<N; i++) if(A[i]) A[i]=0, B[i]=1;
  if(cnt==1) return N;
  if(cnt==2)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:40:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   40 |   int mid=lo+hi>>1, t=val;
      |           ~~^~~

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