제출 #1234648

#제출 시각아이디문제언어결과실행 시간메모리
1234648Ghulam_Junaid죄수들의 도전 (IOI22_prison)C++20
0 / 100
0 ms328 KiB
#include <bits/stdc++.h> #include "prison.h" using namespace std; int digit(int x, int i){ for (int j = 0; j < 7 - i; j ++) x /= 3; return x % 3; } vector<vector<int>> devise_strategy(int n) { vector<vector<int>> res; res.resize(32); for (int i = 0; i < 32; i ++){ res[i].resize(n + 1); if (i < 8) res[i][0] = 0; else res[i][0] = 1; for (int j = 1; j <= n; j ++){ if (i < 8) res[i][j] = i + 8 * (1 + digit(j, i)); else{ int prv = i / 8; int nxt = 1 + digit(j, i % 8); if (prv == nxt) res[i][j] = 1 + (i % 8); else if (prv < nxt) res[i][j] = -2; else res[i][j] = -1; } } } return res; }
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