제출 #640780

#제출 시각아이디문제언어결과실행 시간메모리
6407801zaid1Prisoner Challenge (IOI22_prison)C++17
0 / 100
1 ms340 KiB
#include "prison.h"
 
#include <bits/stdc++.h>
using namespace std;
 
vector<vector<int>> devise_strategy(int n) {
    vector<int> p; for (int i = 0; i < 15; i++) p.push_back(1<<i);
    vector<vector<int>> v(25, vector<int>(n+1, 0));
    for (int i = 0; i < 25; i++) {
        if (i) v[i][0] = ((i+2)/3%2);
        for (int j = 1; j <= n; j++) {
            if (i) {
                int d = j/p[(i+2)/3-1]%3;
                if (d > i%3) v[i][j] = -1-!v[i][0];
                else if (d < i%3) v[i][j] = -1-(v[i][0]);
                else v[i][j] = ((i+2)/3-1)*3 - (j/p[(i+2)/3-2])%3;
            } else {
                v[i][j] = 8*3-j/p[7]%3;
            }
        }
    } return v;
}
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