Submission #876241

#	Time	Username	Problem	Language	Result	Execution time	Memory
876241		danikoynov	Super Dango Maker (JOI22_dango3)	C++17	22 / 100	169 ms	756 KiB

dango3

#include "dango3.h"

#include <bits/stdc++.h>

using namespace std;


int get_query(vector < int > lf, vector < int > rf)
{
    for (int cur : rf)
        lf.push_back(cur);
    return Query(lf);
}

void sub_solve(vector < int > &d)
{
    if (Query(d) == 0)
        return;
    vector < int > lf, rf;
    for (int i = 0; i < d.size(); i ++)
    {
        if (rand() % 2 == 0)
            lf.push_back(d[i]);
        else
            rf.push_back(d[i]);
    }

    sub_solve(lf);
    sub_solve(rf);

    vector < int > df;
    for (int cur : lf)
        df.push_back(cur);
    for (int cur : rf)
        df.push_back(cur);

    int cnt = Query(df);
    for (int t = 0; t < cnt; t++)
    {
        vector < int > secure, trash;
        while(!df.empty())
        {
            int bk = df.back();
            df.pop_back();
            if (get_query(df, secure) == 0)
                secure.push_back(bk);
            else
                trash.push_back(bk);
        }

        Answer(secure);
        df = trash;
    }

    d = df;

}
void Solve(int N, int M)
{
    vector < int > d;
    for (int i = 1; i <= N * M; i ++)
        d.push_back(i);

    sub_solve(d);
}

Compilation message (stderr)

dango3.cpp: In function 'void sub_solve(std::vector<int>&)':
dango3.cpp:20:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for (int i = 0; i < d.size(); i ++)
      |                     ~~^~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 5 / 5
• Subtask 3: 15 / 15
• Subtask 4: 0 / 78