Submission #630641

#	Time	Username	Problem	Language	Result	Execution time	Memory
630641		uncripted	Rarest Insects (IOI22_insects)	C++17	0 / 100	1 ms	208 KiB

insects

#include "insects.h"
#include<bits/stdc++.h>
using namespace std;

#define pb push_back	
vector<int> v;
void cler(){
	for(int i=0; i<v.size(); i++){
		move_outside(v[i]);
	}
}
int min_cardinality(int N) {
	int n=0;

	for(int i=0; i<N; i++){
		move_inside(i);
		n++;
		if(press_button()>1){
			move_outside(i);
			n--;
		}else{
			v.pb(i);
		}
	}

	int l=1,r=2000;
	while(l<r){
		cler();
		int m=(l+r+1)/2;
		int siz=0;
		siz++;
		for(int i=0; i<N; i++){
			move_inside(i);
			if(press_button()>m){
				move_outside(i);
				siz--;
			}
		}
		if(siz!=n*m){
			r=m-1;
		}else{
			l=m;
		}
	}
	return l;
}

Compilation message (stderr)

insects.cpp: In function 'void cler()':
insects.cpp:8:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |  for(int i=0; i<v.size(); i++){
      |               ~^~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 15
• Subtask 3: 0 / 75