제출 #830500

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
830500		tolbi	드문 곤충 (IOI22_insects)	C++17	10 / 100	247 ms	304 KiB

insects

#include <bits/stdc++.h>
using namespace std;
#include "insects.h"
int min_cardinality(int n) {
    vector<int> par(n);
    function<int(int)> find = [&](int node)->int{
        if (par[node]==node) return node;
        return par[node]=find(par[node]);
    };
    vector<int> sz(n,1);
    iota(par.begin(), par.end(), 0);
    vector<int> crr;
    function<int()> findx;
    findx = [&]()->int{
        for (int i = 0; i < crr.size(); i++){
            move_outside(crr[i]);
            if (press_button()==1){
                for (int j=0;j<=i;j++){
                    move_inside(crr[j]);
                }
                return i;
            }
        }
        return 23;
    };
    for (int i = 0; i < n; i++){
        move_inside(i);
        if (press_button()>1){
            int pos = crr[findx()];
            par[i]=find(pos);
            sz[find(pos)]++;
            sz[i]=0;
            move_outside(i);
        }
        else crr.push_back(i);
    }
    int ans = n;
    for (int i = 0; i < n; i++){
        if (par[i]!=i) continue;
        ans=min(ans,sz[i]);
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

insects.cpp: In lambda function:
insects.cpp:15:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |         for (int i = 0; i < crr.size(); i++){
      |                         ~~^~~~~~~~~~~~

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