Submission #860286

#	Time	Username	Problem	Language	Result	Execution time	Memory
860286		vjudge1	Prisoner Challenge (IOI22_prison)	C++17	0 / 100	1 ms	348 KiB

prison

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

vector<vector<int>> devise_strategy(int N) {

    vector<vector<int>> s;
    int pot = 1;
    while(pot<5000) pot*=2;
    pot/=2;
    for(int i=0; i<=24; i++){
        vector<int> v;
        int t = (i+1)/2;
        v.push_back(t%2);
        int gorgias = pot;
        for(int j=0; j<t; j++) gorgias/=2;
        for(int j=1; j<=N; j++){
            if((j&(2*gorgias))/(2*gorgias)==i%2){
                if(i%2==0){
                    if(t%2==0) v.push_back(-1);
                    if(t%2==1) v.push_back(-2);
                }else{
                    if(t%2==1) v.push_back(-1);
                    if(t%2==0) v.push_back(-2);
                }
            }else if(t==12){
                if(j%2==0) v.push_back(-1);
                if(j%2==1) v.push_back(-2);
            }else{
                int I = 2*t+1+((gorgias&j)/gorgias);
                v.push_back(I);
            }
        }
        s.push_back(v);
    }
    return s;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 90