제출 #640764

#제출 시각아이디문제언어결과실행 시간메모리
6407641zaid1죄수들의 도전 (IOI22_prison)C++17
56 / 100
17 ms1212 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(27, vector<int>(n+1, 0)); for (int i = 0; i < 27; i++) { if (i) v[i][0] = ((i+1)/2)%2; for (int j = 1; j <= n; j++) { if (i) { int d = (j>>((i+1)/2-1))%2; if (d > i%2) v[i][j] = -1-!v[i][0]; else if (d < i%2) v[i][j] = -1-(v[i][0]); else v[i][j] = ((i+1)/2-1)*2 - (j>>((i+1)/2-2))%2; } else { v[i][j] = 13*2-(j>>12)%2; } } } return v; }
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