제출 #799852

#제출 시각아이디문제언어결과실행 시간메모리
799852n3rm1nCONSUL (info1cup19_consul)C++17
100 / 100
34 ms308 KiB
#include<bits/stdc++.h>
#include "grader.h"
#define endl '\n'
using namespace std;

void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}

void solve(int N)
{
    map < int, int > checked;
    int atleast = N/3 + 1;
    vector < int > index;
    for (int i = 1; i <= N; ++ i)
        index.push_back(i);
    random_shuffle(index.begin(), index.end());
    vector < int > g;
    for (int i = 0; i < min(N, 30); ++ i)
    {
        //cout << index[i] << endl;
        int x = kth(index[i]);

        if(checked[x])continue;
        else
        { g.push_back(x);
        }
        checked[x] = 1;
    }
    for (int i = 0; i < g.size(); ++ i)
    {
        if(cnt(g[i]) >= atleast)
        {
            say_answer(g[i]);
            return;
        }
    }
    say_answer(-1);
}

컴파일 시 표준 에러 (stderr) 메시지

consul.cpp: In function 'void solve(int)':
consul.cpp:33:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for (int i = 0; i < g.size(); ++ i)
      |                     ~~^~~~~~~~~~
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