Submission #940758

#	Time	Username	Problem	Language	Result	Execution time	Memory
940758		PVM_pvm	Super Dango Maker (JOI22_dango3)	C++17	100 / 100	135 ms	1104 KiB

dango3

#include "dango3.h"
#include <bits/stdc++.h>
using namespace std;
int n,m;
void boqn(vector<int> pozicii, int cn, int cm)
{
    random_shuffle(pozicii.begin(),pozicii.end());
    if (cm==1)
    {
        Answer(pozicii);
        return;
    }
    int l=0,r=cn*cm;
        vector<int> zaqu;
    while (l<r-1)
    {
        int mid=(l+r)/2;
        zaqu.clear();
        for (int q=0;q<=mid;q++) zaqu.push_back(pozicii[q]);
        int qu=Query(zaqu);
        if (qu<cm/2) l=mid;
        else r=mid;
    }
    vector<int> pyrvo,vtoro;
    for (int q=0;q<=r;q++) pyrvo.push_back(pozicii[q]);
    for (int q=r+1;q<cn*cm;q++) vtoro.push_back(pozicii[q]);
    for (int q=r-1;q>=0;q--)
    {
        int poq=pyrvo[q];
        swap(pyrvo[pyrvo.size()-1],pyrvo[q]);
        pyrvo.pop_back();
        int qu=Query(pyrvo);
        if (qu<cm/2)
        {
            pyrvo.push_back(poq);
            swap(pyrvo[pyrvo.size()-1],pyrvo[q]);
        }
        else
        {
            vtoro.push_back(poq);
        }
    }
    boqn(pyrvo,cn,cm/2);
    boqn(vtoro,cn,cm-cm/2);
}
void Solve(int N, int M) {
    n=N;
    m=M;
    vector<int> og;
    for (int q=1;q<=n*m;q++) og.push_back(q);
    boqn(og,n,m);
}

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